青海农林科技
青海農林科技
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SCIENCE AND TECHNOLOGY OF QINGHAI AGRICULTURE AND FORESTRY
2012年
3期
67-68
,共2页
杨树灰斑病%侵染源%感病指数%防治试验
楊樹灰斑病%侵染源%感病指數%防治試驗
양수회반병%침염원%감병지수%방치시험
Coryneum populinum%Infection source%Susceptibility index%Control test
通过药剂防治、林间清除侵染源、清除侵染源结合喷药防治杨树灰斑病,观察防治效果,三种处理的平均防治效果分别为27%、60.2%和97.1%,清除侵染源后喷药防治比直接喷药防治更显著,防治效果更佳。
通過藥劑防治、林間清除侵染源、清除侵染源結閤噴藥防治楊樹灰斑病,觀察防治效果,三種處理的平均防治效果分彆為27%、60.2%和97.1%,清除侵染源後噴藥防治比直接噴藥防治更顯著,防治效果更佳。
통과약제방치、림간청제침염원、청제침염원결합분약방치양수회반병,관찰방치효과,삼충처리적평균방치효과분별위27%、60.2%화97.1%,청제침염원후분약방치비직접분약방치경현저,방치효과경가。
By chemical control, clear the infection source and clear the infection source combined spraying control Coryneum populinum, and observe the control effect, the average control effect of three treatments were 27%, 60. 2% and 97. 1%, clear the infection source after spraying control more than the direct spraying control, prevention and treatment was better.
