绿盲蝽在转Bt基因抗虫棉的发生动态及其为害研究 关键词 转Bt基因棉 绿盲蝽 发生动态 [gap=1216]Key word Transgenic Bt cotton,Green leaf bug,Population dynamics
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水稻白背飞虱灯诱种群数量动态研究-湖北农业科学 关键词:白背飞虱;灯诱数量;发生动态 [gap=966]Key words: Sogota furcifera; light trapped number; occurrence dynamic
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卷期目录浏览::应用昆虫学报 关键词白背飞虱, 卵巢发育, 发生动态, 种群性质 [gap=2713]Key wordsSogatella furcifera, ovarian development, dynamics, population characteristics
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Therefore, the primary infection sources,occurrence dynamics and control with fungicide for maize Curvularia leaf spot were studied. The results are as follows:1, The conidia adhering to seeds and mycilia in infected seeds could overwinter successfully and infect the maize.
因此,本研究主要针对四川雅安生态条件,对玉米弯孢菌叶斑病的初侵染源、发生动态和药剂防治进行了深入的研究。
参考来源 - 玉米弯孢菌叶斑病初侵染源、发生动态和药剂防治的研究The population dynamics of Resseliella citrifrugis Jiang was monitored with attractant traps was shown that occurrence peak and the population fluctuation of Resseliella citrifrugis Jiang varied with species and development periods of host plants.
应用诱杀剂连续诱杀结果表明,不同品种水果果园柚实雷瘿蚊种群发生动态不同,发生高峰期和发生数量存在差异。
参考来源 - 柚实雷瘿蚊主要生态学及控制技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
焊核区发生动态再结晶,生成细小的等轴晶粒。
Dynamic recrystallization takes place in the weld nugget zone and fine grains are achieved.
随变形温度升高,复合材料发生动态回复再结晶。
Dynamic recovery and recrystallization of the composite generate with the increasing of deformation temperature.
建立人工病圃,系统监测玉米纹枯病的田间发生动态;
The dynamics of maize sheath blight was monitored under field conditions by interval sowing.
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