农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-15 共查到农学 Insecticidal相关记录39条 . 查询时间(0.109 秒)
Four different concentrations of extracts obtained from three lichen species (Lecanora muralis (Schreb.) Rabenh., Letharia vulpina (L.) Hue, and Peltigera rufescens (Weiss) Humb) were tested against a...
As an alternative to synthetic pesticides, chitosan has received much attention as a biopolymer active against some agricultural pests. The, insecticidal activity of chitosans of four molecular weig...
Tested seed treatments (two doses of thiamethoxam, thiamethoxam + fludioxonil + metalaxyl-M; two doses of clothianidin + beta-cyfluthrin) showed high effects on pea leaf weevils (Sitona lineatus L.)...
The effects of two pyrethroids and one combination of organophosphate and pyrethroid (alpha-cypermethrin, etofenprox, chlorpyrifos + cypermethrin) on Ceutorhynchus pallidactylus (Marsham, 1802) (Coleo...
The efficacy of Bacillus thuringiensis, mineral oil, insecticidal emulsion (garlic extract, plant detergent soap and food additive) and insecticidal gel (plant oil and plant extracts) to control the...
Insecticidal activity of methanol extracts from 18 species of medicinal plants was tested on 3rd instar larvae of the Egyptian cottonworm (Spodoptera littoralis). All extracts were toxic to larvae. Ex...
Medicinal plant species were tested for their fumigant activity against Spodoptera littoralis third instar larvae. Responses varied according to plant species and parts used. For the present investi...
The most significant breakthrough in plant biotechnology is the development of the techniques to transform genes from unrelated sources into commercially important crop plants to develop resistance ag...
The crude extracts and its fractions of the flower of Tagetes erecta Linn. were tested for insecticidal activity against a stored product insect pest, Tribolium castaneum (Herbst). The chloroform fra...
Compounds in which two methyl groups of acetamiprid are replaced with a set of substituents were prepared and the presence of the two rotamers was confirmed from NMR spectra. The insecticidal activi...
The insecticidal and neuroblocking potencies of three imidacloprid metabolites were measured using American cockroaches. The minimum doses to cause paralysis 24 hr after injection of 4,5-dehydroimid...
The insecticidal action of pyridalyl at various dosages against S. litura larva was observed. Larvae treated with 100 ng/larva and higher dosages were killed within 6 hr without any conspicuous symp...
C4-C8 and C12-alkylene- or 1,4-xylylene-tethered bis[1-(6-chloro-3-pyridylmethyl)]- or bis[1-(2-chloro-5-thiazolylmethyl)]-2-nitroimino-3-guanidines were prepared. The insecticidal potency against...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...