Correct option is A
L. C. Coleman, a general pathologist in 1914, is known for his work on the control measures for Koleroga of areca palm (Areca catechu).
L. C. Coleman suggested control measures for Koleroga of areca.
The disease is caused byPythium aphanidermatumand affects the root system of the areca palm.
Coleman recommended cultural practices and fungicide applications for disease control.
Tur wilt: Tur wilt affects pigeon pea (Cajanus cajan) and is caused by Fusarium species.
Late blight of potato: While late blight of potato is a major concern in agriculture.
Blister blight of cocoa: This disease affects cocoa plants and is caused by Phytophthora palmivora.