查询词典 instar

After 0.5 μg/larva propiconazole had been injected into the 4th instar larvae of S. litura for 24 h and 48 h, the reduced rates of blood corpuscle of larvae were 19.67% and 21.38%, and the reduced rates of blood content were 20.42% and 23.87% respectively.

在活体试验中，以0.5μg/头剂量的丙环唑注射斜纹夜蛾4龄幼虫，处理后24 h和48 h，试虫血淋巴中血细胞数分别下降了19.67%、21.38%，血淋巴含量分别下降了20.42%、23.87%。

One fragment of 248 bp cDNA of the GABAa recep tor gene from the fourth instar larvae of diamondback moth was amplified, cloned, sequenced and analyzed by using reverse transcription polymerase chain reaction method.

利用反转录多聚酶链式反应对小菜蛾的γ-氨基丁酸a 受体基因cDNA片段进行了克隆和序列分析。

This shows that spraying vegetables at the early instar larval stage with Abamectin+Indoxacarb 4.75 % WP(1: 1 000～1 500) and Emamectin benzoate 0.2 % EC(1: 1 000) can effectively control the diamondback moth.

研究认为，在低龄幼虫时使用4.75 %阿维·茚虫威WP 1 000～1 500倍或0.2 %高渗甲氨基阿维菌素苯甲酸盐EC 1 000倍防治小菜蛾，可以有效控制小菜蛾的发生危害。

The susceptibilities of the 3th instar larvae of Spodoptera litura fed on diets treated with nicotine and rutin to AucaNPV, fipronil and spinosad were studied. The activities of CarE and GSTs in different treated cutworms were also tested. The results showed that the nicotine enhanced significantly the susceptibility of Spodoptera litura to insecticides, and the susceptibility enhanced as the nicotine concentration in the diets increased.

以在人工饲料中添加植物次生物质的方法，研究了取食不同含量烟碱、芸香苷的斜纹夜蛾Spodoptera litura 3龄幼虫对银纹夜蛾核多角体病毒、氟虫腈及多杀菌素的敏感性，同时测定了各处理组幼虫体内羧酸酯酶和谷胱甘肽转移酶的活性。

The sensitive nymph instar and sexual differences of wing dimorphism in the brown planthopper, Nilaparvata lugens , were studied, and the developmental differentiations of both the indirect flight muscles and the wing buds in the brown planthopper were observed. Molecular biological studies were performed to amplify the indirect flight muscle specific actin gene.

本文研究了褐飞虱Nilaparvata lugens翅型分化的若虫敏感临界龄期和翅型分化在性别上的差异，观察了褐飞虱间接飞行肌和翅芽发育的分化过程，在此基础上，以扩增、克隆褐飞虱间接飞行肌特异性肌动蛋白基因为目的，做了部分分子生物学工作。

The results of RT-PCR showed that PPO mRNA was expressed in the integument,haemocyte,head,testis,ovary,fat body and midgut of 5th instar larvae and at different developmental stages of B.mandarina.

组织特异性表达分析表明了该基因在野桑蚕5龄幼虫的血细胞、体壁、头部、精巢、卵巢、脂肪体和中肠等组织及其不同的发育阶段均有表达。

To obtain DNA noninvasively from the silkworms Bombyx mori and Philosamia Cynthia ricini, we collected the sloughs of fifth instar and the wings of moth, and then extracted DNA by SDS and the DNA extraction kit of animal tissue and purified them.

对家蚕和蓖麻蚕的蚕蜕和蛾翅分别采用SDS裂解法和动物组织基因组试剂盒提取法提取DNA ，并与常规方法以蚕蛹提取的DNA一起进行RAPD扩增图谱比较、分析，结果表明用非损伤性方法提取的DNA的RAPD图谱和用常规方法提取的DNA的RAPD图谱基本一

The decrease of protocatechuric acid content was significant at the concentration level of 6μL/L MeJA, but 6μL/L MeSA and feeding damage for 48h by the third instar larvae of maize stalk borer had an opposite effect.

原儿茶酸的含量随着MeJA处理浓度的增大逐渐减少，6μL/L的MeJA使其显著降低，而6μL/L 的MeSA和玉米螟3龄幼虫处理48h则使其含量升高。

In this research, leaves of maize grown on soil pots and vermiculite pots were treated with jasmonate methyl ester, salicylic methyl ester and third instar larvae of the maize stalk borer and were assessed for the effect on the contents of DIMBOA and phenolic acid, and the expression of defense genes in leaves and roots, the content and species of root exudates and the diversity of rhizosphere bacteria community.

本文通过土壤盆栽、蛭石盆栽实验，用化学分析和分子生物学方法研究不同浓度茉莉酸甲酯、水杨酸甲酯及玉米螟3龄幼虫处理玉米（粤农9号）叶片对叶片和根中丁布、酚酸及防御基因的表达量的影响；且探讨处理之后根系分泌物的种类和组分及土壤细菌群落多样性的变化。

Similarly, MeJA and MeSA decrease the community diversity index. On the other hand, the third instar larvae of the maize stalk borer had no effect on it.

玉米螟3龄幼虫处理只使根际细菌群落相似性指数显著降低，对多样性指数无影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。