During the transferring-damaging period of the overwinter larvae of Dioryctria pryeri, the terpene volatiles, the polyphenol oxidase (PPO), α-chymotrypsin inhibitor (ChymPI), and the free amino acid content, the crude fat and water content of Chinese Pine cones and (or) conelets induced by methyl jasmonate (MJA) and damaged by Gravitarmata margarotana larvae were examined.
在松果梢斑螟幼虫转移危害期,研究外源茉莉酸甲酯(MJA)处理和油松球果小卷蛾幼虫危害引起油松球果挥发物、多酚氧化酶(PPO)、蛋白酶抑制剂(PI)以及球果游离氨基酸、松脂和含水量的变化。
The pests of Lepidosaphes piniphilus Borchsenius,Crisicoccus pini Kuwana,Drosicha corpulenta Kuwana,Oligonychus clavatus Ehara,Oligony chuus nunguis Jacobi,Pineus lavis Maskell,Cinara pinea Mard made the great number of pine trees dead by one or more pests together invading,preventin.
在松树大量死亡的重灾林中,松针牡蛎蚧、松粉蚧、草履蚧、棒毛小爪螨、针叶小爪螨、松球蚜和松蚜等是松树的主要害虫,它们单独或其中两虫或多虫交替、同时或反复大发生侵害枝叶和新梢,严重影响营养与水分的产生、运输,导致根系与枝叶首先死亡,然后整株松树死亡。
Dioryctria pryeri,an important pest that causes damage to cones of Pinus koraiensis,it is difficult to be controlled because of its cryptic characteristics.
果梢斑螟是为害红松球果的重要害虫,具有隐蔽性,防治困难。
Control Korean pine adelges in nursery by using 1059 insecticide;
利用“一O五九”防治苗圃红松球蚜
Effect Contrast Test on Contsol Adelages laricis in Datong;
大通落叶松球蚜防治药效对比试验
Pineus armandicola Zhang is an important defoliator of armand pine( Pinus armandi ).
华山松球蚜 (PineusarmandicolaZhang)是华山松 (PinusarmandiFranch)的重要食叶性害虫。
Comparative studies on the growth of Sphaeropsis sapinea isolates;
松球壳孢菌菌落生长速度对比研究
Comparative studies on the morphology of Sphaeropsis sapinea spores and mycelia;
松球壳孢菌菌落及孢子形态学对比研究
Inoculations revealed that the Chinese isolates of Sphaeropsis sapinea were similar to American A isolates in pathogenicity which was much nore aggressive than B isolates.
实验证明 ,国内供试松球壳孢菌 (Sphaeropsissapinea)的致病力明显高于美国的B型菌株 ,与A型相似 ,致病性较强。
A Study on the Morphology and Biology of the Adelgid Aphid Pineus armandicola;
华山松球蚜形态特征及生物学特性研究
Population amount of Pineus armandicola Zhang in Shuangjiang County,Yunnan Province;
双江县华山松球蚜发生数量研究
A Study on the Control Threshold of Pineus armandicola;
华山松球蚜防治指标的研究