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Botrytis (Grey Mold) : Wilt and Die Series

Hydroponic farming, characterized by its resource efficiency and high yields, is not immune to the challenges posed by plant diseases. One such disease that hydroponic farmers, especially lettuce cultivators, frequently encounter is Botrytis, often referred to as grey mold. This airborne fungal pathogen, known for its destructive nature, can substantially diminish crop productivity and negatively affect the profitability of hydroponic systems if not properly managed.

How does Botrytis (Grey Mold) Start in Hydroponic Systems?

Botrytis cinerea, the pathogen responsible for grey mold, thrives in cool, humid conditions. This fungus spreads via airborne spores, which can easily infiltrate a hydroponic system. These spores lie dormant until they encounter a suitable environment, often characterized by high humidity and cool temperatures. Once conditions become favorable, the spores germinate and start to infect the plant, typically entering through wounds or areas of the plant experiencing stress.

Symptoms of Botrytis (Grey Mold):

The symptoms of grey mold can vary, but some common signs include:

  1. Grey or brown fuzzy growth: This is the most characteristic symptom of Botrytis, usually appearing on leaves, stems, or fruit.
  2. Water-soaked lesions: Initial infection often manifests as soft, water-soaked spots.
  3. Necrosis and wilting: Affected areas eventually become necrotic and the plant may wilt.

Treatment and Management of Botrytis (Grey Mold):

  1. Removal of infected plants: To prevent the disease from spreading, promptly remove and properly dispose of any infected plants.
  2. Use of fungicides: Fungicides can be used to control Botrytis. However, the fungus is known to develop resistance, so it’s important to rotate fungicides.
  3. Adequate ventilation: Good air circulation can help reduce the humidity that Botrytis thrives in.

Prevention of Botrytis (Grey Mold):

  1. Climate control: Keeping the humidity low and the temperature moderate can prevent Botrytis spores from germinating.
  2. Pruning: Regularly removing dead leaves or plant matter can minimize the areas where Botrytis can grow.
  3. Nutrient management: Using a balanced nutrient solution like NutriHydro’s Lettuce Formula can promote healthy plant growth, making plants less susceptible to infection.

Role of NutriHydro’s Bio-stimulants in Lettuce Cultivation:

NutriHydro’s Bio-stimulants can play a crucial role in preventing Botrytis and enhancing lettuce growth. Applied as a foliar spray, these bio-stimulants boost nutrient uptake, stimulate plant growth, and improve the plant’s immune system.

In conclusion, Botrytis can pose a significant challenge to hydroponic lettuce growers. However, with vigilant monitoring, proper sanitation, optimal nutrient provision with NutriHydro’s Lettuce Formula, and effective use of bio-stimulants, this disease can be successfully managed, leading to healthier and more profitable yields.

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On the next article, we will discuss Bacterial Soft Rot, also a disease that causes lettuce to wilt and rot.

Author

Picture of Christopher Tuason

Christopher Tuason

Chris and his family operate NutriHydro, a company dedicated to empowering the next generation with a thriving community of innovative growers. With an MBA under his belt, Chris brings valuable experience from his time working in international companies focused on blending, trading, and supplying fuel worldwide. His daughters, who hold degrees in chemistry, chemical engineering, and mechanical engineering, contribute their expertise to the family business by developing top-tier plant nutrients. These high-quality products cater to various applications, including hydroponics, aquaponics, fertigation, foliar feeding, and sprinkler systems.
Picture of Christopher Tuason

Christopher Tuason

Chris and his family operate NutriHydro, a company dedicated to empowering the next generation with a thriving community of innovative growers. With an MBA under his belt, Chris brings valuable experience from his time working in international companies focused on blending, trading, and supplying fuel worldwide. His daughters, who hold degrees in chemistry, chemical engineering, and mechanical engineering, contribute their expertise to the family business by developing top-tier plant nutrients. These high-quality products cater to various applications, including hydroponics, aquaponics, fertigation, foliar feeding, and sprinkler systems.

NutriHydro is a manufacturer of plant nutrients based in the Philippines. They are known to grow the healthiest, heaviest, and largest lettuce in the country. NutriHydro products are available to purchase from the following e-commerce platforms.

Lazada: bit.ly/3asMYXN
Shopee: bit.ly/3nRJX6Z
Basilyard: bit.ly/346Kklw
NutriHdyro Website: bit.ly/434MoY6