英语人>网络例句>cotton aphid 相关的网络例句
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]

There was high homology of amino acid sequence between the cotton aphid and other insects.

由棉蚜该片段推导的氨基酸序列与其他昆虫的同源性较高。

The study was done in order to provide reference for cotton aphid's effective control.

为棉蚜防治提供参考依据。

The study established a general dynamic model of cotton aphid, which was formed by a trend term and a periodicity term.

建立了棉蚜种群数量的一般动态模型,该模型由趋势项和周期项组成。

The experimental data indicated that nine kinds of the above studied pyrethroids containing isoxazole were active against cabbage worm and cotton aphid.

初步的试验表明,其中9个异噁唑醚菊酯化合物具有较强的生物活性,为新型拟除虫菊酯的创制提供了参考依据。

Mulberry leaves: adding water to 5 times, boiled liquid, liquid plus 0.5 kg per 2 kg of water, or water extract of mulberry leaves sprayed 10 times to control cotton aphid and spider mite.

桑叶:将其加水5倍,煮成原液,每0.5公斤原液加水2公斤,或桑叶10倍水浸液喷洒,可防治棉蚜和红蜘蛛。

Cotton aphid, Aphis gossypii (GlovcrXHemiptera:Aphididae) is one of the most important pests to various plants,and also an efficient vector of several plant viruses.

棉蚜属同翅目蚜科蚜属,世界各地均有分布,属古北、东洋、澳洲、非洲、新北、新热带6大区系共有种。

The number of cotton aphid from April to October in 1990 was investigated, and then trend analysis and periodic analysis were made with lab's data.

于1990-04~10对大田棉蚜种群数量进行调查统计,对棉蚜种群数量的周期性及趋势性进行分析。

According to the conserved regions of other known insects, a pair of specific primers were designed and the RT-PCR method was used to amplify the partial sequences of HSP70 from cotton aphid, then analyzed the nucleotide and deduced amino acid sequence.

根据已知昆虫HSP70基因的保守性区域,设计特异性引物,采用RT-PCR方法扩增棉蚜HSP70基因的部分序列,测序后进行核苷酸和推导的氨基酸序列分析。

The integrate management including properly using insecticide, agricultural control and biological control is used to control the insecticide resistance of cotton aphid.

对棉蚜的抗药性治理主要采用合理用药,结合农业和生物防治等措施进行综合治理。

Simian3 and Shiyuan321 as control. It showed that both GK12 and SGK321 had no significant impacts on natural control efficacy of the biological and non-biological death factors of cotton aphids. Except for the factor of natural death and others, predation was the key factor affecting population dynamics of cotton aphid. Rain ranked the second, parasitism by insects and pathogens had weak control efficacy.

与常规棉相比,单,双价抗虫棉对天敌捕食和寄生,病原物,风雨等生物和非生物因素对棉蚜种群的自然控制作用均未产生显著影响;各因素中,除自然死亡及未知因素死亡外,天敌捕食对棉蚜自然种群的控制作用最强,风雨的作用次之,天敌寄生和病原物的作用则较弱。

第2/4页 首页 < 1 2 3 4 > 尾页
推荐网络例句

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。