三化螟种群系统的最优管理决策

›› 1995, Vol. 38 ›› Issue (3): 296-304.

三化螟种群系统的最优管理决策

张文庆古德祥蒲蛰尤

出版日期:1995-08-20 发布日期:1995-08-20

OPTIMAL MANAGEMENT DECISION ON THE POPULATIONLIFE SYSTEM OF PADDY STEM BORER,TRYPORYZA INCERTULAS

Zhang Wenqing Gu Dexiang Pu Zhelong

Online:1995-08-20 Published:1995-08-20

摘要/Abstract

摘要： 以三化螟Tryporyza invertulas(Walker)种群动态模型和水稻产量损失预测模型为基础，根据水稻插植期、品种抗性，保护利用自然天敌和杀虫剂多次使用等控制措施以及它们的各种不同组合对该虫种群动态、水稻产量损失串和净收益的影响，以净收益最大为目标函数，研究三化螟种群的最优管理决策。其中，对昆虫种群动态模拟方法作了一点改进，它综合了前人所提出的种群动态模型的优点。建立的系统模型能够提供包括农业防治、生物防治和化学防治措施在内的、对三化螟种群实施有效管理的最优决策方案。

关键词: 三化螟, 种群系统, 最优管理决策

Abstract: In this paper, the method of insect population dynamic simulation has been improved, which integrates some advantages of population models that have been published. Based on the population simulation model of paddy stem borer Tryporyza incertulas (Walker) (PSB) and yield loss rate forecasting model of rice crop,she optimal management decision problem of PSB population was studied with theaim to obtain maximal net revenue. The net revenue was influenced by several control strategies and their combinations such as adjusting the time of seedling transplantation, using resistant rice varieties, protecting and utilizing natural enemiesand application of insecticides. The system model can provide on optimal decision strategy to effectively control PSB population, which contains measures of agricultural control, biological control and chemical control.

Key words: Tryporyza incertulas (Waker), population life system, optimal mana- gement decision

张文庆古德祥蒲蛰尤. 三化螟种群系统的最优管理决策[J]. , 1995, 38(3): 296-304.

Zhang Wenqing Gu Dexiang Pu Zhelong. OPTIMAL MANAGEMENT DECISION ON THE POPULATIONLIFE SYSTEM OF PADDY STEM BORER,TRYPORYZA INCERTULAS[J]. , 1995, 38(3): 296-304.

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