{"id":16743,"date":"2025-11-12T08:30:26","date_gmt":"2025-11-12T05:30:26","guid":{"rendered":"https:\/\/novateplica.com.ua\/?p=16743"},"modified":"2025-11-12T08:30:26","modified_gmt":"2025-11-12T05:30:26","slug":"kak-chasto-nuzhno-provodit-sanitarnuyu-obrabotku-tepliczy-periodichnost-metody-i-standarty","status":"publish","type":"post","link":"https:\/\/novateplica.com.ua\/en\/kak-chasto-nuzhno-provodit-sanitarnuyu-obrabotku-tepliczy-periodichnost-metody-i-standarty\/","title":{"rendered":"How often should a greenhouse be sanitized? Frequency, methods, and standards"},"content":{"rendered":"<p data-pm-slice=\"1 3 []\"><strong>Sanitary treatment of the greenhouse<\/strong> - this is not just \u201ccleaning\u201d, but a fundamental basis for biosecurity and profitability <a href=\"https:\/\/novateplica.com.ua\/en\/promyshlennye-tepliczy\/\">greenhouse business<\/a>Ignoring or improperly implementing sanitary measures inevitably leads to the accumulation of infectious diseases. The result is outbreaks of diseases, pest epidemics, reduced yields, and, ultimately, colossal financial losses.<\/p>\n<p>Many pathogens (viruses, fungal spores, bacteria) and pests (pupae, eggs) can survive in greenhouse structures, soil, substrate, and in biofilms inside irrigation systems for months or even years.<\/p>\n<p>This article is a complete expert guide answering the key question: \u201c<strong>How often and how exactly should sanitization be carried out?<\/strong>We will examine in detail the cyclical nature of the processes, step-by-step protocols, chemicals, and Ukrainian regulatory requirements.<\/p>\n<h2>Cyclicity: How often should treatment be carried out?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-16747 size-full\" src=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3.webp\" alt=\"greenhouse sanitization\" width=\"1100\" height=\"731\" srcset=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3.webp 1100w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-300x199.webp 300w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-1024x680.webp 1024w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-768x510.webp 768w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-18x12.webp 18w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-600x399.webp 600w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/b405b9e278bf347245edab78aa3968d3-64x43.webp 64w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><\/p>\n<p>Sanitation is not a one-time event, but a continuous cycle consisting of three key stages.<\/p>\n<h3>Major (Basic) disinfection<\/h3>\n<ul>\n<li><strong>When:<\/strong> 1-2 times per year. Be sure to do this between crop rotations (after the complete removal of old plants and before planting new ones).<\/li>\n<li><strong>Target:<\/strong> Complete eradication (destruction) of accumulated pathogens, pests, and their dormant forms. This is a &quot;general reboot&quot; of greenhouse biosecurity.<\/li>\n<li><strong>Level:<\/strong> Maximum deep processing of all surfaces, structures, soil\/substrate and systems.<\/li>\n<\/ul>\n<h3>Current (Operating) Sanitation<\/h3>\n<ul>\n<li><strong>When:<\/strong> Daily and weekly throughout the growing season.<\/li>\n<li><strong>Target:<\/strong> Maintaining a low level of infection, preventing cross-contamination, and ensuring staff adherence to hygiene standards.<\/li>\n<li><strong>Level:<\/strong> Control of hygienic \u201cgateways\u201d, disinfection of instruments, containers, removal of diseased plants.<\/li>\n<\/ul>\n<h3>Unscheduled (emergency) disinfection<\/h3>\n<ul>\n<li><strong>When:<\/strong> Immediately upon detection of a dangerous disease (for example, a virus, an aggressive fungus) or pest.<\/li>\n<li><strong>Target:<\/strong> Localization and destruction of the outbreak, prevention of the spread of infection throughout the greenhouse.<\/li>\n<li><strong>Level:<\/strong> Intensive local treatment of the contaminated area, equipment and instruments that have come into contact with it.<\/li>\n<\/ul>\n<h2>Major Disinfection Protocol (Between Turnovers)<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-16748 size-full\" src=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4.jpeg\" alt=\"greenhouse sanitization\" width=\"1280\" height=\"720\" srcset=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4.jpeg 1280w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-300x169.jpeg 300w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-1024x576.jpeg 1024w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-768x432.jpeg 768w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-18x10.jpeg 18w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-600x338.jpeg 600w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/sanobr-4-64x36.jpeg 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>This is the most important stage, requiring strict adherence to sequence. <em>Skipping even one step makes the entire process ineffective.<\/em><\/p>\n<h3>Step 1: Disposal of plant debris<\/h3>\n<ul>\n<li>Complete removal of all plants, including the root system.<\/li>\n<li>Removal of old substrate (if it will not be disinfected), trellis threads, agrofibre.<\/li>\n<li><strong>Important:<\/strong> Plant residues must be immediately removed from the greenhouse area and disposed of (do not compost nearby!).<\/li>\n<\/ul>\n<h3>Step 2: Dry cleaning<\/h3>\n<ul>\n<li>Mechanical removal of dust, dirt, cobwebs and substrate residues from all structures (trusses, beams, trays, heating pipes, supplementary lighting systems).<\/li>\n<li>Brushes, industrial vacuum cleaners, and air compressors are used.<\/li>\n<\/ul>\n<h3>Step 3: Wet wash (with detergents)<\/h3>\n<p>This is a critical step. Most disinfectants are ineffective on dirty surfaces because they cannot penetrate the &quot;biofilm&quot;\u2014the slimy layer of bacteria, fungi, and organic matter.<\/p>\n<ul>\n<li><strong>Target:<\/strong> Dissolve and wash away biofilm and organic contaminants.<\/li>\n<li><strong>Means:<\/strong> Professional foam cleaning agents are used:\n<ul>\n<li><strong>Alkaline (pH 11-13):<\/strong> To remove organic contaminants, fats, mucus.<\/li>\n<li><strong>Acidic (pH 1-3):<\/strong> To remove mineral deposits (salts, rust, limescale).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Equipment:<\/strong> High-pressure cleaners (HPWs) with foam generators. The foam is applied from the bottom up, left for 15-30 minutes (exposure time), and then rinsed off with clean water under pressure from the top down.<\/li>\n<\/ul>\n<h3>Step 4: Disinfection itself<\/h3>\n<p>It is being carried out <em>only<\/em> on clean and dry surfaces.<\/p>\n<ul>\n<li><strong>Methods:<\/strong>\n<ol>\n<li><strong>Wet disinfection (Spraying):<\/strong> Generous application of the working solution of disinfectant to all surfaces (structures, floors, walls, equipment).<\/li>\n<li><strong>Aerosol disinfection (\u201cCold fog\u201d):<\/strong> Using cold fog generators (ULV aerosols). Fine droplets (10-50 microns) fill the entire greenhouse, penetrating hard-to-reach areas. This is more effective and cost-effective.<\/li>\n<li><strong>Gasation (Fumigation):<\/strong> Use of gaseous disinfectants (such as formaldehyde). Effective, but highly toxic and requiring specialized equipment and permits. Its use in Ukraine is limited.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<h3>Step 5: Disinfect the irrigation system<\/h3>\n<p>This is the Achilles&#039; heel of greenhouses. Biofilm always forms inside pipes and drippers, which acts as a reservoir for <em>Erwinia<\/em>, <em>Fusarium<\/em>, <em>Pythium<\/em> and other pathogens.<\/p>\n<ul>\n<li><strong>Process (Required 3-phase flush):<\/strong>\n<ol>\n<li><strong>Acid wash:<\/strong> Fill the system with an acid solution (nitric or phosphoric, pH 2.0-3.0) to remove mineral deposits (bicarbonates). Leave for 1-2 hours, then rinse with clean water.<\/li>\n<li><strong>Alkaline flush:<\/strong> Filling with alkali solution (to remove organic matter). Rinsing with water.<\/li>\n<li><strong>Disinfection:<\/strong> Filling the system with a disinfectant (usually based on peracetic acid (PAA) or hydrogen peroxide). Exposure time: 4-12 hours.<\/li>\n<li><strong>Final rinse:<\/strong> Rinse with clean water until the pH and EC values at the outlet are equal to those of the inlet water.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<h2>Choosing a Disinfectant: Technical Data<\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-16749 size-full\" src=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1.jpg\" alt=\"greenhouse sanitization\" width=\"1280\" height=\"720\" srcset=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1.jpg 1280w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-300x169.jpg 300w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-1024x576.jpg 1024w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-768x432.jpg 768w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-18x10.jpg 18w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-600x338.jpg 600w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/maxresdefault-1-64x36.jpg 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>The choice of active ingredient (AI) depends on the purpose, the object of disinfection and the spectrum of pathogens.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Active ingredient (AI)<\/th>\n<th>Spectrum (Viruses \/ Fungi \/ Bacteria \/ Spores)<\/th>\n<th>Work on biofilm<\/th>\n<th>Corrosivity<\/th>\n<th>Ecological decomposition<\/th>\n<th>Main application<\/th>\n<\/tr>\n<tr>\n<td><strong>HOUR (QACs)<\/strong> (Benzalkonium chloride, etc.)<\/td>\n<td>++ \/ +++ \/ +++ \/ +<\/td>\n<td>Badly<\/td>\n<td>Low<\/td>\n<td>Bad (residual effect)<\/td>\n<td>Disinfection mats, tools, containers, surfaces<\/td>\n<\/tr>\n<tr>\n<td><strong>Peracetic acid (PAA)<\/strong> + Hydrogen peroxide<\/td>\n<td>+++ \/ +++ \/ +++ \/ ++<\/td>\n<td>Average<\/td>\n<td>Tall<\/td>\n<td>Excellent (water, oxygen, vinegar)<\/td>\n<td><strong>Irrigation systems<\/strong>, surfaces, \u201ccold fog\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>Sodium hypochlorite<\/strong> (Chlorine)<\/td>\n<td>+++ \/ ++ \/ +++ \/ ++<\/td>\n<td>Very bad (only for clean ones)<\/td>\n<td>Very high<\/td>\n<td>Average (hazardous side products)<\/td>\n<td>Disinfection of water, hard surfaces (caution)<\/td>\n<\/tr>\n<tr>\n<td><strong>Glutaraldehyde<\/strong><\/td>\n<td>+++ \/ +++ \/ +++ \/ +++<\/td>\n<td>Fine<\/td>\n<td>Tall<\/td>\n<td>Bad (toxic)<\/td>\n<td>Equipment, surfaces (requires rinsing)<\/td>\n<\/tr>\n<tr>\n<td><strong>Formaldehyde<\/strong> (Formalin)<\/td>\n<td>+++ \/ +++ \/ +++ \/ +++<\/td>\n<td>Excellent (gas)<\/td>\n<td>Low<\/td>\n<td>Very bad (carcinogenic)<\/td>\n<td>Fumigation (used less and less)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Labeling and concentrations: <\/strong>Always check the manufacturer&#039;s recommended concentration for a specific application (e.g. 0.5% for surfaces, 0.1% for irrigation systems).<\/p>\n<blockquote><p><strong>Example:<\/strong> To disinfect surfaces with a preparation based on QAC, a 0.75-1.0% working solution (75-100 ml per 10 l of water) may be required.<\/p><\/blockquote>\n<h2>Routine (Operating) Sanitation: Daily Practices<\/h2>\n<p>The best disinfection is the one that&#039;s never needed. Routine hygiene prevents 90% problems.<\/p>\n<ol>\n<li><strong>Hygienic \u201cgateways\u201d (disinfection barriers):<\/strong>\n<ul>\n<li><strong>Necessarily:<\/strong> At the entrance to every greenhouse and every production area.<\/li>\n<li><strong>Compound:<\/strong>\n<ul>\n<li><strong>Disinfection mat (or bath):<\/strong> Filled with a disinfectant solution (usually QAC or NUK).<\/li>\n<li><strong>Hand washing station:<\/strong> Soap, water, paper towels.<\/li>\n<li><strong>Hand sanitizer station:<\/strong> Alcohol antiseptic or NUK solution.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Frequency of replacement of solution in mats:<\/strong> Every 1-2 days, or immediately if visually contaminated.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Disinfection of instruments:<\/strong>\n<ul>\n<li>Each worker must have an individual tool (knife, pruning shears).<\/li>\n<li>During work (pruning, pinching out side shoots), the tool is disinfected when moving from row to row or after every 10-20 plants.<\/li>\n<li>Solutions: Fast-acting disinfectants (NUC, alcohol) or even 10% skim milk solution (effectively inactivates viruses, such as the mosaic virus).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Container management:<\/strong>\n<ul>\n<li>A clear division into \u201cdirty\u201d (outdoor) and \u201cclean\u201d (indoor) containers.<\/li>\n<li>Harvest boxes and carts must be washed and disinfected after each cycle.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Removing diseased plants:<\/strong>\n<ul>\n<li>Diseased plants (suspected of having a virus or serious pathogen) are removed immediately.<\/li>\n<li>Removal is carried out in closed plastic bags to prevent spores or pests from spreading throughout the greenhouse.<\/li>\n<li>The place where the plant grew (substrate, dropper) is locally disinfected.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Standards and tolerances in Ukraine<\/h2>\n<ol>\n<li><strong>Registration of drugs:<\/strong>\n<ul>\n<li>All disinfectants used in commercial facilities must be listed in <strong>State Register of Disinfectants<\/strong> Ukraine. The use of unregistered drugs is a violation.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Occupational safety (MPC \u2013 Maximum Permissible Concentration):<\/strong>\n<ul>\n<li>Working with disinfectants (especially during aerosol treatment or fumigation) requires strict adherence to safety precautions.<\/li>\n<li><strong>PPE (Personal Protective Equipment):<\/strong>\n<ul>\n<li><strong>Respirator:<\/strong> Class FFP2 (for aerosols) or FFP3 (for toxic vapours).<\/li>\n<li><strong>Glasses:<\/strong> Sealed safety glasses.<\/li>\n<li><strong>Gloves:<\/strong> Chemical resistant (nitrile, neoprene).<\/li>\n<li><strong>Costume:<\/strong> Chemical-resistant overalls.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Exposure time and ventilation:<\/strong> After treatment, the greenhouse is hermetically sealed for the exposure time (specified by the manufacturer, from 4 to 24 hours). Afterward, it should be thoroughly ventilated until the odor completely disappears and the maximum permissible concentration of active substances in the air is reached.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Environmental standards:<\/strong>\n<ul>\n<li>Used working solutions and water after flushing systems are prohibited from being discharged into open water bodies or onto the terrain (according to the Water Code of Ukraine).<\/li>\n<li>They must be collected, neutralized (according to the manufacturer&#039;s instructions) or disposed of as industrial waste.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Calculation example (Disinfection with \u201ccold fog\u201d)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16751 size-full\" src=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2.jpg\" alt=\"greenhouse sanitization\" width=\"1800\" height=\"1000\" srcset=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2.jpg 1800w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-300x167.jpg 300w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-1024x569.jpg 1024w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-768x427.jpg 768w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-1536x853.jpg 1536w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-18x10.jpg 18w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-600x333.jpg 600w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/generator-kholodnogo-tumana-v-teplitse-2-64x36.jpg 64w\" sizes=\"(max-width: 1800px) 100vw, 1800px\" \/><\/p>\n<ul>\n<li><strong>Task:<\/strong> Aerosol disinfection of a greenhouse after washing.<\/li>\n<li><strong>Data:<\/strong>\n<ul>\n<li>Greenhouse type \u201cAnthracite\u201d, volume: 50,000 m\u00b3.<\/li>\n<li>Disinfectant: Based on HOUR (10% DV).<\/li>\n<li>Manufacturer&#039;s recommendation for &quot;cold fog&quot;: 200 ml of concentrate per 1000 m\u00b3 of volume.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Calculation:<\/strong>\n<ol>\n<li><code>Total requirement = (Greenhouse volume \/ 1000 m\u00b3) * Application rate<\/code><\/li>\n<li><code>Total requirement = (50,000 m\u00b3 \/ 1000 m\u00b3) * 200 ml = 50 * 200 ml = 10,000 ml (10 liters)<\/code><\/li>\n<\/ol>\n<\/li>\n<li><strong>Conclusion:<\/strong> To treat a greenhouse with a volume of 50,000 m\u00b3 you will need <strong>10 liters<\/strong> 10% of CHAS concentrate, which will be poured into the aerosol generator (and possibly diluted with water to the required volume, according to the generator instructions).<\/li>\n<\/ul>\n<h2>Expert advice and common mistakes<\/h2>\n<p>The effectiveness of an entire biosecurity program depends on avoiding three common but critical mistakes.<\/p>\n<p><b>Mistake 1: Skipping on washing (Step 3) and going straight to disinfecting (Step 4)<\/b><\/p>\n<p>This is undoubtedly the most common and costly mistake. By trying to save one day of work, you&#039;re effectively reducing the cost of disinfectant and labor hours to zero.<\/p>\n<ul>\n<li><b>Extended technical justification:<\/b>\n<ol start=\"1\">\n<li><b>Physical barrier:<\/b> Dirt, dust, substrate residue, and cobwebs physically &quot;hide&quot; pathogens. Disinfectant (liquid) simply can&#039;t physically reach fungal spores or pest eggs beneath a layer of dirt.<\/li>\n<li><b>Chemical neutralization:<\/b> Most disinfectants (especially oxidizing agents such as chlorine, hydrogen peroxide, and peracetic acid) are highly reactive. When they come into contact with dirt (organic matter), they <b>instantly react with it<\/b>, not with microorganisms. They are &quot;expended&quot; on dirt. A disinfectant molecule that has oxidized a peat particle will no longer kill the bacteria.<\/li>\n<li><b>Biofilm impermeability:<\/b> This is the most important thing. Biofilm is not just mucus; it is a complex polysaccharide matrix built by a colony of bacteria and fungi for its own protection. This matrix is extremely resistant to disinfectants. For example, sodium hypochlorite (&quot;chlorine&quot;) is virtually incapable of penetrating a mature biofilm.<\/li>\n<\/ol>\n<\/li>\n<li><b>Example:<\/b> You apply a 0.5% disinfectant solution (e.g., QAC) to the dirty surface of the tray where there are peat residues and mucus. More than 90% of the active substance will bind to the peat and organic matter in the upper layers of the biofilm within the first 2-3 minutes. Pathogens located deeper (e.g., spores) <i>Fusarium<\/i> or bacteria <i>Erwinia<\/i>), will remain completely unharmed and ready to infect a new crop.<\/li>\n<li><b>Advanced Solution (Wash + Disinfection Protocol):<\/b>\n<ol start=\"1\">\n<li><b>Stage 1 (Wash):<\/b> Use an alkaline foam cleaner (pH 11-13). Foam is needed to increase the exposure time (contact time) to the walls and structures (15-30 minutes). Alkali effectively dissolves fats, proteins, and, most importantly, biofilm polysaccharides, exposing pathogens.<\/li>\n<li><b>Step 2 (Flush):<\/b> Thorough rinsing with clean water under pressure.<\/li>\n<li><b>Step 3 (Disinfection):<\/b> Apply disinfectant only to a clean, rinsed, and, ideally, dry surface. Disinfection effectiveness on a clean surface increases from ~10% (on a dirty surface) to ~99.9%.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p><b>Mistake 2: Using the same disinfectant (one active ingredient) for years<\/b><\/p>\n<p>This is a direct path to creating a \u201csuperbug\u201d in your greenhouse, similar to how the uncontrolled use of antibiotics creates resistant bacteria in medicine.<\/p>\n<ul>\n<li><b>Extended technical justification:<\/b> Continuous use of one group of chemicals (this is especially true <b>QAS \u2013 Quaternary Ammonium Compounds<\/b>) creates <b>selective pressure<\/b>Most bacteria die, but those that survive by chance (due to natural mutation) produce offspring. In bacteria (for example, <i>Pseudomonas<\/i> or <i>Pectobacterium<\/i>) defense mechanisms are developing:\n<ol start=\"1\">\n<li>Change in cell wall permeability.<\/li>\n<li>Formation of \u201cefflux pumps\u201d \u2013 proteins that actively \u201cpump\u201d the disinfectant out of the cell, preventing it from reaching its target.<\/li>\n<li>Enhanced biofilm formation to protect the entire colony.<\/li>\n<\/ol>\n<\/li>\n<li><b>Example:<\/b> A farm has been using disinfectant mats and container treatments based on the same active ingredient (say, benzalkonium chloride) for three years in a row. In the fourth year, an unexplained outbreak of bacterial rot begins (<i>Erwinia<\/i>), although the concentration of the solution in the mats did not change. Analysis shows that the local strain <i>Erwinia<\/i> now survives at concentrations of QACs 2-3 times higher than recommended.<\/li>\n<li><b>Extended Solution (Rotation by DV):<\/b> Rotation should occur based on the active substance, not the brand name (the names may be different, but the active ingredient is the same).\n<ul>\n<li><b>Example of rotation scheme:<\/b>\n<ul>\n<li><b>Capital processing (Cycle 1):<\/b> Oxidizing agents (peracetic acid + hydrogen peroxide) have a broad spectrum of action (including spores) but have no residual effect.<\/li>\n<li><b>Current sanitation (all season):<\/b> Quaternary ammonium compounds (QACs) are ideal for disinfectant mats and container treatments, as they create a residual film.<\/li>\n<li><b>Capital processing (Cycle 2):<\/b> Aldehyde-based products (glutaraldehyde). They have a different mechanism of action (alkylation), which allows them to kill strains that could survive NUK or QAS.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Mistake 3: Forgetting about \u201cdead zones\u201d<\/b><\/p>\n<p>These are areas of the greenhouse that are neglected during daily work and often overlooked during cleaning. They serve as reservoirs for infection.<\/p>\n<ul>\n<li><b>Extended technical justification:<\/b> Moisture, dust, and organic matter accumulate in &quot;dead zones&quot; (corners, joints, drains). There is no UV radiation and often poor ventilation\u2014ideal conditions for fungal spores to thrive.<i>Botrytis<\/i>, <i>Fusarium<\/i>) and pest pupae (thrips). The infection persists there at low concentrations, and when favorable conditions (such as condensation) occur, it &quot;shoots&quot; into the greenhouse.<\/li>\n<li><b>Example:<\/b> A drainage channel (tray) for collecting the solution. It was flushed with water, but not brushed or disinfected. Contaminated biofilm remained at the joints and bends. <i>Pythium<\/i> (root rot). When starting a new crop, the first drainage water picks up this <i>Pythium<\/i> and spread it throughout the recirculation system, infecting thousands of plants. Another example: dust on farms and beams. It&#039;s not washed away, but simply &quot;killed&quot; with disinfectant. Mite eggs survive within this dust.<\/li>\n<li><b>Advanced solution:<\/b>\n<ol start=\"1\">\n<li><b>Creating a \u201cDead Zone Checklist\u201d:<\/b> Before a major cleaning, make a list of: drainage channels and their outlets, vestibules and entrance areas, spaces under racks, fan housings, heating pipes (especially the lower ones), joints of film\/glass with structures, bases of racks, vestibules.<\/li>\n<li><b>Mechanical cleaning:<\/b> These areas require not just washing with a high-pressure washer, but also preliminary mechanical cleaning (with brushes, scrapers).<\/li>\n<li><b>Double control:<\/b> After applying foam and disinfection, a separate employee must check these specific areas using the checklist.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p><b>Advice: Sanitation is a system, not an event<\/b><\/p>\n<ul>\n<li><b>Extended rationale:<\/b> This advice shifts the focus from &quot;firefighting&quot; (major disinfection) to &quot;fire prevention&quot; (routine hygiene). Infection pressure is a matter of math. Major disinfection reduces the pathogen level to, say, 0.1%. But every worker entering with dirty shoes, every unsterile knife, is a new introduction of infection. Without routine hygiene, this 0.1% very quickly turns back into 100%.<\/li>\n<li><b>Example:<\/b> The greenhouse is spotlessly clean after a thorough disinfection. But while pinching out side shoots, a worker prunes a plant suspected of having a virus (for example, ToBRFV) and then, without disinfecting the knife, moves on to the next one. Within 15 minutes, he mechanically infects 30 plants. Within a week, you have an outbreak that can no longer be stopped. The cost of a tool disinfection station (a bucket of NUK solution or 10% of milk) is pennies. Damage from the virus amounts to a loss of 50-70% of crop yield.<\/li>\n<li><b>Solution:<\/b> Investments in sanitary checkpoints and staff training pay off many times over. A sanitary checkpoint at the entrance should be mandatory and the only alternative:\n<ul>\n<li>Change from street shoes to work shoes.<\/li>\n<li>Walking through a disinfectant mat (with a daily changed solution).<\/li>\n<li>Mandatory hand washing with soap.<\/li>\n<li>Mandatory hand disinfection with antiseptic. This is not a &quot;recommendation,&quot; but a mandatory technological process, just like watering.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Conclusions: Sanitation as a Foundation for Profitability<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16750 size-full\" src=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091.jpg\" alt=\"greenhouse sanitization\" width=\"1770\" height=\"1082\" srcset=\"https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091.jpg 1770w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-300x183.jpg 300w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-1024x626.jpg 1024w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-768x469.jpg 768w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-1536x939.jpg 1536w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-18x12.jpg 18w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-600x367.jpg 600w, https:\/\/novateplica.com.ua\/wp-content\/uploads\/2025\/11\/obrab26091-64x39.jpg 64w\" sizes=\"(max-width: 1770px) 100vw, 1770px\" \/><\/p>\n<p>In summary, it becomes clear: greenhouse sanitization is not an optional extra, but a critical, multi-level production process that directly impacts financial success.<\/p>\n<p>As this article demonstrates, there is no \u201cmagic bullet.\u201d Effective biosecurity is a system consisting of three elements:<\/p>\n<ol start=\"1\">\n<li><b>Strict cyclicality<\/b> (major, current, emergency processing).<\/li>\n<li><b>Strict adherence to protocols<\/b> (where the priority is not the disinfection itself, but a high-quality pre-wash to remove biofilms).<\/li>\n<li><b>Constant hygiene<\/b> (from disinfection barriers to clean staff tools).<\/li>\n<\/ol>\n<p>Ignoring even one of these steps inevitably leads to the accumulation of infectious background, disease outbreaks and, as a consequence, colossal losses that nullify all agronomic efforts.<\/p>\n<p>However, any biosecurity system begins with a solid foundation\u2014the quality of the structure itself. Effective sanitation and disinfection are much easier and less expensive to achieve in a professionally designed greenhouse, where every detail is considered: from proper slopes and airtightness to the selection of materials resistant to harsh chemicals.<\/p>\n<p>That&#039;s why choosing a reliable partner during the construction phase is the first and most important step toward a profitable and secure business.<\/p>\n<p>Don&#039;t risk your future harvest. Invest in a solid foundation that will last for decades and ensure the maximum effectiveness of your biosecurity protocols.<\/p>\n<blockquote><p>Order leading greenhouse solutions from the best manufacturer in Ukraine \u2013 NovaTeplitsa.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>\u0421\u0430\u043d\u0438\u0442\u0430\u0440\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0442\u0435\u043f\u043b\u0438\u0446\u044b \u2014 \u044d\u0442\u043e \u043d\u0435 \u043f\u0440\u043e\u0441\u0442\u043e &#8220;\u0443\u0431\u043e\u0440\u043a\u0430&#8221;, \u0430 \u0444\u0443\u043d\u0434\u0430\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0441\u043d\u043e\u0432\u0430 \u0431\u0438\u043e\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0440\u0435\u043d\u0442\u0430\u0431\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0442\u0435\u043f\u043b\u0438\u0447\u043d\u043e\u0433\u043e \u0431\u0438\u0437\u043d\u0435\u0441\u0430. \u0418\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u043b\u0438 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0441\u0430\u043d\u0438\u0442\u0430\u0440\u043d\u044b\u0445 \u043c\u0435\u0440\u043e\u043f\u0440\u0438\u044f\u0442\u0438\u0439 \u043d\u0435\u0438\u0437\u0431\u0435\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u043d\u0430\u043a\u043e\u043f\u043b\u0435\u043d\u0438\u044e \u0438\u043d\u0444\u0435\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u0444\u043e\u043d\u0430. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u2014 \u0432\u0441\u043f\u044b\u0448\u043a\u0438 \u0431\u043e\u043b\u0435\u0437\u043d\u0435\u0439, \u044d\u043f\u0438\u0434\u0435\u043c\u0438\u0438 \u0432\u0440\u0435\u0434\u0438\u0442\u0435\u043b\u0435\u0439, \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u0435 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[&hellip;]<\/p>\n","protected":false},"author":4398,"featured_media":16746,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u041a\u0430\u043a \u0447\u0430\u0441\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u0441\u0430\u043d\u0438\u0442\u0430\u0440\u043d\u0443\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0442\u0435\u043f\u043b\u0438\u0446\u044b? \u041f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u043d\u043e\u0441\u0442\u044c, \u043c\u0435\u0442\u043e\u0434\u044b \u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b - 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