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cotton aphid相关的网络例句

查询词典 cotton aphid

与 cotton aphid 相关的网络例句 [注:此内容来源于网络,仅供参考]

Cotton aphid is one of the most important insect pests of cotton in China.

棉蚜是棉花的重要害虫之一。

Cotton aphid, melon aphid,{Aphis gossypii} Glover

格洛弗小姐是不允许袒护罪过的。

Quantity of systemic insecticides in cotton seeding was analysed at regular intervals, and the effect on cotton aphid control was surveyed.

用涂茎、喷雾和拌种3种方法施药,定时采样测定棉苗中内吸杀虫剂的数量动态及调查对棉蚜的控制作用。

With the results of monitoring the spatial patterns of cotton aphid populations in various stages, there are distinct spatial heterogeneity in the distribution of cotton aphid under large and small scales in different stages.

通过对大尺度和小尺度下不同阶段的棉蚜变异函数模型的拟合,得出大尺度和小尺度棉蚜空间分布在棉蚜种群不同发生阶段具有空间异质性,研究区域内,小尺度下棉蚜种群的空间异质性格局中平均有77.6%是由棉蚜种群内部的空间自相关造成的,而大尺度下这个比例达85%。

The results showed that the effective period on cotton aphid was only 5 days by using spraying method, while cotton seed mixed with a larger dosage of Carbofuran lasted 10 days.

结果表明:喷雾法施药,久效磷在棉苗中对棉蚜的有效控制期为5天;克百威粒剂拌种施药,用药量虽大,但对棉蚜有效控制期仅为10天;涂茎法施药,药剂用量少,棉苗中药剂浓度高,对棉蚜的有效控制期可达12天以上。

There was no impact on cotton aphid and ALB by Bt-cotton, but the ingesting sap behavior in pholem and the intrinsic rate of increase of the aphids fed on transgenic Bt CpTI cotton decreased significantly.

同时,田间棉铃虫上灯蛾的FA值与Bt棉的种植年代间存在着显著的负相关,显示出棉铃虫自然种群对Bt棉的适应性随着Bt棉种植时间延长而渐增的趋势。

The year trend of cotton aphid could be simulated with a three cubed polynomial. Furthermore, Cotton's year periodicity could be divided into two periodicities, front 55 d first periodicity, the other latter 128 d, and a new periodicity's function was also given with new phase angle.

棉蚜种群数量的趋势性曲线可以用一个多项式来拟合;棉蚜的在一年之内的周期可以分为两段:前55d可看作一个周期,后128d可看作一个周期,并根据周期相角重新给出棉蚜种群数量的周期函数。

The selective behaviour, fitness, cause formation and population differentation of the cotton aphid''s host biotype were studied on this project. The results showed that the cotton and cumbrits biotype aphid were existed in natural population in Nanjing .

本项目研究了南京地区棉蚜对寄主的选择与适应性、寄主专化型的成因、寄主专化型蚜在DNA水平上的多态性及棉蚜迁飞特性的种群分化、迁飞型种群的遗传响应与杂交遗传。

The regression period of cotton aphid: The spatial patterns of aphid population were confirmed to exponent, linear and nugget model under large scale along with the time sequence, respectively, results suggested that the spatial patterns were aggregated, medium intensity aggregation and random distribution, respectively, and the space continuity is decreasing.

3消退期:大尺度下按时间顺序,棉蚜的变异函数模型分别为指数型、线性及块金模型,表明空间格局分别表现为聚集型、中等强度和随机分布,棉蚜种群的空间自相关性及空间连续性在后期递减。

137 Crude protein also has effect on controlling the growth of cotton aphid, cotton bollworm, striped rice borer, and the crude protein deposited with 25 percent ammonium sulfate has the most significant effect on controlling cotton bollworm and cotton aphid.

88—137粗提蛋白质对棉蚜、棉铃虫、二化螟的生长发育也有一定抑制作用,其中用25%硫酸铵沉淀的粗提蛋白质抑制棉铃虫、棉蚜作用最明显。

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