MEANING OF CROP PEST
A pest can be described as any organism capable of causing damage to crop plant. Types of Crop Pest Important pests of crop plants are grouped into the following classes: insects birds; rodents; monkeys; man; nematodes. Insect pests…
MEANING AND CAUSES OF DISEASES OF CROPS
A plant disease may be defined as a departure or deviation of the plant from the normal state of health, presenting marked symptoms or outward visible signs. In other words, disease is an unfavourable condition caused either by the pathogens…
Study Guide
