Leaf blight is caused by Phomopsis obscurans.The fungus can infect foliage, runners,petioles, but it cant infect fruit or root.Leaf blight is commonly found
Ginseng (Panax ginseng C.A.Mey) as a valuable Chinese herbal medicine, is a perennial herb of Araliaceae.Ginseng is put as a superior medicine by the earlie
Expert system has eveloped to crop breeding, fertilization, irrigation, diseases diagnosis, prevention and other fields.The central issues of the expert sys
Rice sheath blight caused by Rhizoctonia solani is a kind of worldwide disease.It is also one of the three major diseases on rice production in our country.