CAJ | 학술논문

核桃干腐病是临渭区核桃林的一种新病害。经过对临渭区核桃基地干腐病发生情况调查分析,表明核桃干腐病在临渭区各地均有不同程度发生,株发病率为7.43%～25.25%,病情指数2.07～12.25。受害最重的是5～7年左右刚结实的核桃树。该病每年4月下旬始发,至10月下旬以菌丝体在病组织上越冬。发病程度与核桃园管理水平有密切关系,针对核桃干腐病的发生危害程度提出了核桃干腐病的综合防治方案。
핵도간부병시림위구핵도림적일충신병해。경과대림위구핵도기지간부병발생정황조사분석,표명핵도간부병재림위구각지균유불동정도발생,주발병솔위7.43%～25.25%,병정지수2.07～12.25。수해최중적시5～7년좌우강결실적핵도수。해병매년4월하순시발,지10월하순이균사체재병조직상월동。발병정도여핵도완관리수평유밀절관계,침대핵도간부병적발생위해정도제출료핵도간부병적종합방치방안。
The dry rot disease of Walnut （Juglans regia） is new to Linwei district. It often occurs to different degrees in the south tableland of Linwei. The investigation showed its incidence rate to be 7.43 to 25.25 and index of infection 2.07 to 12.25. The most serious harmfulness occurred to the plants of 5 to 7 yeas old. The disease normally starts from the late April. The degree of harmfulness vary with the management levels. The integrated control can produce effective results.