Horticulture- Powdery Mildew Disease

What is the primary symptom of powdery mildew?

• Yellowing of leaves

• Powdery white patches on leaves

• Wilting of stems

• Black spots on fruits

Which of the following environmental conditions favors the development of powdery mildew?

• High humidity and warm temperatures

• Low humidity and cool temperatures

• Excessive rainfall and flooding

• Drought conditions and extreme heat

Tags

NGSS.MS-LS1-5

Powdery mildew is caused by:

• Bacteria

• Fungi

• Viruses

• Nematodes

Which of the following plants is commonly affected by powdery mildew?

• Tomatoes

• Roses

• Carrots

• Potatoes

How does powdery mildew spread from plant to plant?

• Through contaminated soil

• Through infected seeds

• Through airborne spores

• Through insect vectors

What is the most effective method for controlling powdery mildew?

• Pruning affected plant parts

• Applying chemical pesticides

• Increasing air circulation around plants

• Watering plants overhead

Which of the following cultural practices can help prevent powdery mildew?

• Overcrowding plants

• Watering plants in the evening

• Planting resistant varieties

• Fertilizing plants excessively

What is the best time to apply fungicides for controlling powdery mildew?

• During rainy weather

• Early in the morning

• In the heat of the day
  

• In the evening

Which of the following is NOT a method for managing powdery mildew organically?

• Neem oil application

• Milk Spray

• Copper fungicide application

• Baking soda solution

What is the long-term impact of severe powdery mildew infestations on plant health?

• Increased yield and vigor

• Stunted growth and reduced yield

• Enhanced disease resistance

• Improved fruit quality

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4