查询词典 diamondback moth

Trap effect of diamondback moth with sex pheromone in cabbage field in Vietnam.

湖北高海拔地区性诱剂对小菜蛾的诱捕和防治效果昆虫学报 2004 ， 47(1)： 135 - 140

The changes in targets may decrease the effect of NTX insecticide; SI04 sequence has relationship with the propagation of diamondback moth.

它们的改变可能会影响到沙蚕毒素的作用效果；S104序列则可能与小菜蛾的生殖方面相关，目前认为抗药性的不稳定性与抗性小菜蛾的繁殖率降低有关。

Taken together, compared with the susceptible strain, the resistance strai ns have no obvious changes in karyotype but have distinct difference in DNA level, which suggests that insecticide resistance is related to the changes hi gen omic DNA in diamondback moth.

从上面的结果看来，与敏感品系相比，三种抗性品系小菜蛾的核型没有发生明显的变化，但在DNA水平上存在明显的差异，说明小菜蛾的抗药性与基因组DNA的变化有关。

The experiment of the diamondback moth with the antennae excised in Y-tube olfactory verified that the antennae played an important role in search of ...

触角切除实验证明了，在小菜蛾成虫感受植物挥发性气味的过程中触角起着主要作用

The results demonstrated that the diamondback moth was attracted by the vegetable volatiles, female adults were attracted more than male adults, and there existed difference of the attraction from different vegetable species.

结果表明蔬菜的挥发性气味对小菜蛾有明显的引诱作用，在反应强度上，雌蛾明显高于雄蛾，且不同的蔬菜引诱效果之间也存在差异。

Diamondback moth larvae hatch in early often leaves into the upper and lower epidermis mesophyll between the feeding to form a small tunnel, but the food is very small, not easily found.

小菜蛾初孵幼虫往往钻入叶片上、下表皮之间取食叶肉，形成小的隧道，但食量很小，不易被发现。

The value of EC90 of 80% dimethomorph WG's control of cucumber downy mildew was 58.32 mg/L, and the value of LC50 of 80% fipronil WG samples on diamondback moth was 0.5196 mg /L, which meaned the indoor toxicity of the two WGs reached the level of the best foreign similar products.

制得的80%烯酰吗啉WG防治黄瓜霜霉病的EC90值为58.32 mg/L，80%氟虫腈WG样品对小菜蛾的LC50值为0.5196 mg/L，室内毒力达到了国外同类制剂最好产品水平。

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。

The effects of biological agents against the diamondback moth,Plutella xylostllaL.

应用昆虫生命表技术，评价了5个生物制剂对小菜蛾种群的控制作用。

The orientation of diamondback moth and Cotesia plutella to the vegetable volatiles was investigated using Y-tube olfactory in the lab.

采用&Y&型管嗅觉仪，在实验室条件下，对十字花科蔬菜-小菜蛾-小菜蛾绒茧蜂系统中，害虫和寄生蜂对挥发物的定向行为进行了初步的研究。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。