赤松毛虫

  • 网络dendrolimus spectabilis;Dendrolimus spectabilis Butler
赤松毛虫赤松毛虫
  1. 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

  2. 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

  3. 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 .

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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