How fruit and shoot borer insect cause damage to crops? (Topic: INSECT PESTS AND DISEASES OF CROPS)
Answers
Insects who can chewby mouthparts, like, grasshoppers, caterpillars, and beetles, cause feeding damage by making holes or notches in foliage and other plant parts, and by means of leaf skeletonizing which is done by removal of tissue between the leaf veins.
They also cause leaf defoliation, cutting plants off at the soil surface, or consumes of the plant roots. Key insect pests include :corn rootworm beetle, Japanese beetle, Mexican bean beetle and grasshoppers.
Late-season lepidopteran worms can damage ears and pods of the plants . Insect pests like Japanese beetles can create opportunities for fungal infection or rot.
Explanation:
Fruit feeding is the major cause of damage. The larvae may also bore into tender shoots causing wilting and dieback of the branch terminals. This reduces the fruit-bearing capacity of plant. A genetically modified brinjal, called Bt brinjal, has been developed to fight against L. orbonalis..