中国现代中药2017,Vol.19Issue(11):1595-1598,4.DOI:10.13313/j.issn.1673-4890.2017.11.020
重庆玄参叶部病害的发生危害及药剂防治效果
Damage and Control of The 3 Types Leaf Disease on Scrophularia ningpoensis Hemsl.
吴中宝 1杨成前 1邓才富 1全建 1余中莲 1杨天建1
作者信息
- 1. 重庆市药物种植研究所,重庆 南川 408400
- 折叠
摘要
Abstract
Objective:To study the damage of the 3 types leaf disease on S.ningpoensis in Chongqing province and control efficiency of various bactericide,so as to provide scientific basis for its integrated pests nanagement (IPM).Methods:In the main cultivation regions of Chongqing province,the leaf disease were the field investigated,and the efficiency of controlling the disease with 5 bactericide.Results:Disease plant rate was 100%,the average disease leaf rate and disease index were 41.2% and 59.3%.The damage rate of leaf spot was much higher than that of the other two leaf disease.The average disease plant rate,disease leaf rate and disease index were 42%,65.7% and 72.6%.The damage rate of the fields which had continuous cropping was much higher than that of the other.There is obvious relationship between the planting density and the damage degree.The damage degree of leaf disease increased with the increasing of planting density.The result of five Bactericides against leaf spot disease in field trim showed that the controlling effect of flusilazole EC (400 g · L-1) 1000 times were 74.3%.Conclusion:The damage degree of 3 types leaf disease were much higher.Its harm was serious with Leaf spot.The use of flusilazole (400 g · L-1) respectively control.关键词
玄参/叶部病害/发生危害/防治效果Key words
Scrophularia ningpoensis Hemsl./leaf disease/occurrence and damage/disease index/control efficiency引用本文复制引用
吴中宝,杨成前,邓才富,全建,余中莲,杨天建..重庆玄参叶部病害的发生危害及药剂防治效果[J].中国现代中药,2017,19(11):1595-1598,4.