您要查找的是不是：
- Until 1980 only one of these viruses was registered as a control agent, a CPV of the pine caterpillar Dendrolimus spectabilis. 直到1980年,只有其中的一种病毒被注册作为一种抑制剂,是一种植物松毛虫细胞质多面体病毒。
- Pine Caterpillars are the most important pests in the western Liaoning province, there are three populations currently in the forest, they are: Dendrolimus spectabilis Butler, D . Tabulaeformis Taiet Liu and D . superans Butler. 松毛虫是辽宁西部地区松林中的主要害虫;3个种并存于林内;即:赤松毛虫(Dendrolimus spectabilis Butler)、油松毛虫(D.;tabulaeformis Tai et Liu)、落叶松毛虫(D
- STUDIES ON THE CONTROL INDEX OF DENDROLIMUS SPECTABILIS BUTLER 赤松毛虫防治指标的研究
- Dendrolimus spectabilis cytoplasmic polyhedrosis virus 赤松毛虫胞质型多角体病毒
- Measures on Comprehensive Controlling of Dendrolimus spectabilis Butler 赤松毛虫综合治理技术措施
- Study on the integrated control techniques of Dendrolimus spectabilis Butler 赤松毛虫综合防治技术研究
- STUDIES ON COLD-RESISTANCE OF THE OVERWINTER LARVA OF DENDROLIMUS SPECTABILIS IN SHANDONG 赤松毛虫越冬幼虫抗寒性研究
- Natural control against Dendrolimus spectabilis in the mixed pine and locust forest 油松刺槐混交林对赤松毛虫自然控制初步研究
- EXPERIMENT OF CONTROLLING DENDROLIMUS SPECTABILIS WITH CYTOPLASMIC POLYHEDROSIS VIRUS 质型多角体病毒对松毛虫的防治实验
- Investigation on natural control result of insect native predator to Dendrolimus spectabilis Butler pupa 昆虫天敌对赤松毛虫蛹自然控制效果的调查
- RELATION BETWEEN TREE CROWN VOLUME AND PERMISSIBLE AMOUNT OF DENDROLIMUS SPECTABILIS BUTLER OCCURED 树冠体积与赤松毛虫发生量的关系
- INDUCED CHEMICAL DEFENSES AND DELAYED INDUCED RESISTANCE OF PINUS TABULAEFORMIS CARR.TO DENDROLIMUS SPECTABILIS BUTLER 油松对赤松毛虫的诱导化学防御及滞后诱导抗性
- INDUCED CHEMICAL DEFENSES OF ?PINUS TABULAEFORMIS??Carr. TO ?DENDROLIMUS SPECTABILIS ?Butler 油松对赤松毛虫的诱导化学防御
- STUDIES ON DYNAMIC OF POPULATION ACTIVITIES OF DENDROLIMUS SPECTABILIS BUTLER AND ITS CONTROL INDEX 赤松毛虫种群变动规律及防治指标的研究
- STUDIES ON INTRODUCTION AND UTILIZATION OF THE PINE CATERPILLAR DENDROLIMUS SPECTABILIS CPV 赤松毛虫质型多角体病毒的引进和利用研究
- STUDIES ON MATHEMATICAL MODEL FOR AMOUNT OF INGESTED NEEDLES BY SINGLE Dendrolimus spectabilis BUTLER LARVA 赤松毛虫幼虫单体食叶量数学模型的研究
- APPLICATION OF GREY GM(1,N) MODEL FOR FORECASTING DENDROLIMUS SPECTABILIS OCCURENCE 灰色预测GM(1,N)模型在赤松毛虫预测预报中的应用
- Isolation and Identification of Bacillus thuringiensis Ly30 and Its Toxicity to Dendrolimus spectabilis Butler 苏云金杆菌Ly30株的分离、鉴定和对赤松毛虫的毒效试验
- A Study on the Capacity for Eating Leaves of the Larval Population of Dendrolimus spectabilis Butler 赤松毛虫幼虫种群食叶量的研究
- Affection of Contents of Some Substances in Needle of \%Pinus tabulaeformis\% Carr. Induced by \%Dendrolimus spectabilis \%Butler 赤松毛虫的危害对小油松针叶内物质含量的影响
