पौधशालाओं (nurseries) में आर्द्र-पतन (damping-off) रोग के लिए एक सामान्य नियंत्रण उपाय क्या है?

Which of the following is the most common symptom of viral diseases in plants?

As per the prediction model for Indian stem rust disease, what will occur if the following conditions are met? 1. 5-6 infection sites are observed within 25 ± 5 km around January 15-20 in UP and North Bihar. 2. Rain amount and rainy days over Northwest India from January to mid-April are twice the normal level.

Fire blight disease of apples and pears is caused by which microorganism?

Which of the following is a characteristic symptom of a disease caused by a plant virus, rather than a nutrient deficiency?

Green islands, regions where chlorophyll is retained in infected leaves, are usually seen in which type of disease?

A country prohibits the import of wheat seeds from regions infected with a specific rust disease. Which plant disease management strategy is being used?

Plant quarantine regulations primarily aim to:

The late blight disease of potato is caused by which pathogen?