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- We should succeed in preventing and controlling insect pests of wheat. 我们要做好防治小麦敌害的工作。
- insect pest of wheat 小麦病虫害
- Diomea cremata Butler,a noctuid insect pest of mushroom,was newly found in Fujian Province. 本文报道的星狄夜蛾 Diomea cremata Butler 是福建省食用菌害虫的新记录.
- In the insect pest of balsamine, the mainest is mite, the red spider that often says namely. 在凤仙花的虫害中,最主要的是螨,即常说的红蜘蛛。
- The spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests. 云杉树皮甲虫是阿拉斯加云杉树林中危害树木的主要害虫。
- Bemisia tabaci (Genn.) is a serious insect pest of many crops throughout the tropics and subtropics. 本研究在调查了烟粉虱Bemisia tabaci (Gennadius)种群分布规律的基础上，从37种常见植物中筛选出15种对烟粉虱成虫产卵驱避作用效果较好的植物次生物质，并运用生命表方法、种群趋势指数和种群干扰作用控制指数等方法进一步对其评价。
- Objective To investigate the disease and insect pest of Amomum villosum and research how making prevention and therapeutical. 目的调查阳春砂病虫害并研究其防治方法。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Using Kuaishenggan package film could reduce the harmfulness rate of insect pest of Ceuthorrynchus sp. and Phyllotreta vittata Fab. 的快胜干包衣剂可以极显著降低黄条跳甲和茎龟象的为害率，可以极显著提高单株角果数、千粒重和小区单位面积产量；
- Fields of wheat are undulating in the breeze. 在微风中起伏着一片麦浪。
- The severe frost kill off most of the insect pest. 严霜杀死了大多数害虫。
- Disease and insect pest of forest, fire in forest 林业病虫害、森林火灾
- Comprehensive Control of Main Insect Pest of Rice 水稻主要病虫害综合治理
- Insect Pest of Vegetable and Fruit Trees 果蔬虫害课程教学大纲
- Thank you for your order of June9 for115 bags of wheat flour. 感谢你方6月9日来函向我公司订购115袋面粉。
- Tan,.J-C 2002. Disease and Insect Pests of Tea Plant. China Agriculture Press, Beijing. 谭济才主编;2002.;茶树病虫防治学北京:中国农业出版社。
- Sulfuryl fluoride is used extensively in the U. S. as a fumigant to control insect pests of timber. 硫酰氟在美国广泛用于薰蒸木材上的害虫。
- Insect pests of 42 species,15 families,7 orders in one class were recognized as natural enemy. 查到害虫天敌昆虫有1个纲7个目15科42种；
- They are reaping a field of wheat. 他们正在收割一片麦田。
- The results showed that control efficacy of pyrethroid pesticides to insect pests of rice was good. 试验结果表明,拟除虫菊酯农药对水稻害虫具有较好的防治效果,在参试的4种药剂中,以氯氟氰菊酯效果最佳。
