稻纵卷叶螟为害较重，卷叶率是常规非防治稻田的2倍左右；
The rate of roll leaf caused by Cnaphalocrocis medinalis was about 2 times of that in monoculture paddy-field;
本发明属于农药技术领域，涉及一种防治稻纵卷叶螟的水乳剂。
The invention relates to a water emulsion used for controlling cnaphalocrocis medinalis, and pertains to the technical field of pesticides.
研究温度与稻纵卷叶螟种群数量变动的关系，可为害虫种群的控制提供科学依据。
It was helpful for controlling the pest population to understand the relationship between temperature and rice leaf roller population.
应用二次正交旋转组合设计方法建立粽管巢蛛和拟水狼蛛对稻纵卷叶螟和稻褐飞虱捕食作用的数学模型。
The quadratic orthogonal rotation design with five factors was used to study the effect of of technology for production of biodiesel.
对不同输入条件模型可以得到相应的模拟结果，据此可以研究稻纵卷叶螟的动态经济阈值和确定最优管理措施。
Simulation results can be obtained under different input conditions. Besides, this model can be used to study dynamic economic thresholds and determine the optimal control strategies.
对不同输入条件模型可以得到相应的模拟结果，据此可以研究稻纵卷叶螟的动态经济阈值和确定最优管理措施。
Simulation results can be obtained under different input conditions. Besides, this model can be used to study dynamic economic thresholds and determine the optimal control strategies.
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