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
FAN Miaomiao(2); DAI Kuai(1); LIU Meiju(3); ZHANG Limeng(4); LIN Shan(2); LI Jiangzhou(1)
(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...