CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, APPOST 12
A new index "root-knot density" was created which can objectively evaluate the damage of root nematodes on tobacco
(1) Research Center of Biological Control Engineering for Tobacco Diseases and Insect Pests of China Tobacco/Yuxi Branch of Yunnan Tobacco Company, Yuxi, China; (2) College of Resources and Environmental Sciences, China Agricultural University, Beijing, China; (3) College of Resources and Environmental Sciences, Yunnan Agricultural University, Kunming, China; (4) Yuxi Zhongyan Tobacco Seed Co., Ltd., Yuxi, China
Root-knot nematode disease occurs frequently due to continuous mono-cropping and excessive water and nitrogen input. The disease degree and gall index are often used to evaluate the damage of root-knot disease. However, the weak correlation between...