HORTICULTURE

HORTICULTURE SCIENCE

PLANT DISEASES PATHOGENS THEIR SURVIVAL AND SPREAD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How can TMV infection be prevented?
A
Keeping plants in a sterile environment
B
Using insecticides
C
Minimising contact
D
Using antibacterial sprays
Explanation: 

Detailed explanation-1: -No chemicals cure a virus-infected plant. Purchase virus-free plants. Remove all weeds since these may harbor TMV. Remove all crop debris from benches and the greenhouse structure.

Detailed explanation-2: -TMV infects the chloroplasts of plant leaves and reduces the plant’s ability to photosynthesise . The leaves change colour from green to yellow or white and develop a mosaic pattern. It can also make leaves crinkled or curled up.

There is 1 question to complete.