赤松毛虫
- 网络dendrolimus spectabilis;Dendrolimus spectabilis Butler
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灰色预测GM(1,N)模型在赤松毛虫预测预报中的应用
Application of grey gm ( 1 , n ) model for forecasting Dendrolimus spectabilis occurence
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油松刺槐混交林对赤松毛虫自然控制初步研究
Natural control against Dendrolimus spectabilis in the mixed pine and locust forest
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应用日本赤松毛虫质型多角体病毒(以下简称JDS-CPV)对马尾松毛虫第一代3龄和5龄幼虫进行了生物测定。
Bioassay of JDS-CPV was conducted on the 3rd instar and 5th instar larvae of pine caterpillar D. punctatus .
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赤松毛虫预测预报因子研究报告
Research on the factors for forecasting the occurrence of d.spectabilis Butler
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赤松毛虫越冬幼虫抗寒性研究
Studies on cold-resistance of the overwinter larva of Dendrolimus spectabilis in Shandong
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赤松毛虫质型多角体病毒的引进和利用研究
Studies on introduction and utilization of the pine caterpillar Dendrolimus spectabilis CPV
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树冠体积与赤松毛虫发生量的关系
Relation between tree crown volume and permissible amount of Dendrolimus spectabilis Butler occured
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赤松毛虫种群变动规律及防治指标的研究
Studies on dynamic of population activities of Dendrolimus spectabilis Butler and its control index
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赤松毛虫幼虫单体食叶量数学模型的研究
Studies on mathematical model for amount of ingested needles by single Dendrolimus spectabilis Butler larva
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失叶对油松抗赤松毛虫的影响及其防治策略
Effect of defoliation on resistance of Chinese pine to Dendrolimus spectabilis and the pest control strategy
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赤松毛虫性信息素次要组分的鉴定&组分、电生理和田间效果
Identification of minor components of the pine caterpillar moth , Dendrolimus spectabilis sex pheromone : components , electrophysiological activity and field effects