moth whose larvae form nests by rolling and tying leaves with spun silk
leaf roller 例句
英汉例句
it was helpful for controlling the pest population to understand the relationship between temperature and rice leaf roller population.
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。
in this paper the control effects of the spiders on rice leaf roller , cnaphalocrocts medinalis, were observed as a case studies of population life systems.
本文以稻纵卷叶螟种群生命系统控制研究作为例子,进一步讨论状态空间表达式的设计及应用问题。
dursban plus fipronil 48% ec provided excellent control efficacy of rice planthopper and leaf roller in field plot and demonstration trials.