HORTICULTURE

HORTICULTURE SCIENCE

PLANT DISEASES PATHOGENS THEIR SURVIVAL AND SPREAD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these are plant diseases?
A
Rust
B
Tobacco Mosiac Disease
C
Snowdrop
D
Blight
E
Irish Potato Disease
Explanation: 

Detailed explanation-1: -Chestnut blight. Brown felt blight. Potato late blight. Fire blight appletree fruit. Three dead Bermuda cedars in 2019.

Detailed explanation-2: -blight, any of various plant diseases whose symptoms include sudden and severe yellowing, browning, spotting, withering, or dying of leaves, flowers, fruit, stems, or the entire plant.

Detailed explanation-3: -Common on tomato and potato plants, early blight is caused by the fungus Alternaria solani and occurs throughout the United States. Symptoms first appear on the lower, older leaves as small brown spots with concentric rings that form a “bull’s eye” pattern.

There is 1 question to complete.