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Electrical penetration graphic waveforms in relation to the actual positions of the stylet tips of Nilaparvata lugens in rice tissue
TLDR
The stylet penetration behavior of Nilaparvata lugens in rice plants was evaluated through the use of an electrical penetration graph (EPG) and sucrose was the only carbohydrate component identified when HPLC analysis of the plant sap was conducted. Expand
Insecticidal and Acaricidal Activity of Carvacrol and β-Thujaplicine Derived from Thujopsis dolabrata var. hondai Sawdust
TLDR
In tests using the filter paper diffusion method, carvacrol had broad insecticidal and acaricidal activity against agricultural, stored-product, and medical arthropod pests, but β-thujaplicine showed only weak termiticidal activity. Expand
Regional susceptibilities to 12 insecticides of melon and cotton aphid, Aphis gossypii (Hemiptera: Aphididae) and a point mutation associated with imidacloprid resistance
TLDR
The R81T point mutation was identified as an important mechanism of imidacloprid resistance in A. gossypii and suggested the absence of resistance mechanisms based on enhanced detoxification enzymes, such as cytochrome P450, esterase and glutathione S -transferase. Expand
Toxicity of Tebufenpyrad to Tetranychus urticae (Acari: Tetranychidae) and Amblyseius womersleyi (Acari: Phytoseiidae) Under Laboratory and Field Conditions
TLDR
Based on laboratory and field data, tebufenpyrad may be used to prevent damage by T. urticae and in alteration with the earlier types of acaricides in a resistance management program if a properly timed te bufenp Pyrad treatment is done. Expand
Electron beam irradiation induces abnormal development and the stabilization of p53 protein of American serpentine leafminer, Liriomyza trifolii (Burgess)
Abstract The American serpentine leafminer fly, Liriomyza trifolii (Burgess), is one of the most destructive polyphagous pests worldwide. In this study, we determined electron beam doses forExpand
Insecticidal and acetylcholine esterase inhibition activity of Apiaceae plant essential oils and their constituents against adults of German cockroach (Blattella germanica).
TLDR
Toxicity of the blends of constituents identified in 4 active oils indicated that carvone, cuminaldehyde, and thymol were major contributors to the fumigant activity or contact toxicity of the artificial blend. Expand
Larvicidal Activity of Myrtaceae Essential Oils and Their Components Against Aedes aegypti, Acute Toxicity on Daphnia magna, and Aqueous Residue
TLDR
Results indicated that oils and their constituents could easily volatilize in water within a few days after application, thus minimizing their effect on the aqueous ecosystem, and could be developed as control agents against mosquito larvae. Expand
Two mutations in nAChR beta subunit is associated with imidacloprid resistance in the Aphis gossypii
TLDR
The R81T mutation in the nAChR beta 1 subunit, perhaps with the L80S mutation as well, could be the major factor of imidaloprid resistance in the IR strain and can be employed as molecular markers for the detection of imidacloprid Resistance in field populations of A. gossypii. Expand
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