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Synthesis of a Castasterone/Ponasterone Hybrid Compound and Evaluation of Its Molting Hormone-Like Activity
[3H]ponasterone ecdysone molting hormonal activity Chilo suppressalis insect cells
2009/3/7
Castasterone/ponasterone hybrid compound, (20R)-2α,3α,20, 22-tetrahydroxy-5α-cholestan-6-one, was newly synthesized from the corresponding α-alkoxystannane, in which the α-hydroxy group was protecte...
Hydrolysis of N-Phenylimide Herbicide Flumioxazin and Its Anilic Acid Derivative in Aqueous Solutions
hydrolysis of flumioxazin reaction mechanism of hydrolysis kinetic analysis column-switching HPLC
2009/3/7
Hydrolysis of the N-phenylimide herbicide flumioxazin was studied at pH 2.5-9.0 and 25±1°C by directly analyzing a buffered aqueous solution with column-switching high performance liquid chromatogra...
Effective Control of Cabbage Black Rot by Validamycin A and Its Effect on Extracellular Polysaccharide-Production of Xanthomonas campestris pv. campestris
disease contro validamycin A soilborne disease
2009/3/7
Foliar sprays of validamycin A (VMA) controlled cabbage black rot effectively in pot and field trials. In a pot test, VMA reduced the number of Xanthomonas campestris pv. campestris (Xcc) in leaves....
Residue Analysis of the Fungicide Benthiavalicarb-isopropyl and Its Degradation Products in Upland Field Soil
benthiavalicarb-isopropyl degradation products analytical method in soil HPLC
2009/3/6
A method for residue analysis of benthiavalicarb-isopropyl, its diastereomer, and its four degradation products in soil by HPLC was established. The method of extraction under reflux with a mixture ...
Fungicidial Activity of Benthiavalicarb-isopropyl against Phytophthora infestans and Its Controlling Activity against Late Blight Diseases
benthiavalicarb-isopropy Oomycete late blight Phytophthora
2009/3/5
Benthiavalicarb-isopropyl, a novel member of the amino acid amide carbamate group of fungicides, is effective against all Oomycete fungal plant pathogens except Pythium spp. Our results demonstrate ...
Oxidative Glutathione Conjugation and Its Novel Role in Activation of the Organophosphorus Insecticide Prothiofos
SN2 reaction by computational chemistry desethyl S-oxide of prothiofos oxon oxidative activation of S-alkylphosphorothiolate oxidative glutathione conjugation of S-alkylphosphorothiolate
2009/3/5
The reaction of prothiofos oxon S-oxide (S-oxide) with glutathione (GSH) by computational chemistry formed GS(EtO)P(O)OC6H3Cl2 and PrS(O)(HO)P(O)OC6H3Cl2 (desethyl S-oxide). Both were produced from ...
Inhibitory Activity of Indanofan and Its Enantiomers on Biosynthesis of Very-Long-Chain Fatty Acids
very-long-chain fatty acids indanofan in-vitro assay
2009/3/5
The influence of the S-enantiomer, R-enantiomer and racemate species of indanofan on the elongation of very-long-chain fatty acids (VLCFA) elongation was assayed using a leek microsomal preparation....
Synthesis of (+)-(S)-isorobinal together with its antipod, a cyclic monoterpene functioning as the sex pheromone of Rhizoglyphus setosus and its distribution among Astigmata
mite Astigmata Rhizoglyphus sp. isorobinal 4-isopropenyl-3-oxo-1-cyclohexene-1-carbaldehyde
2009/3/5
Both compounds, (+)-(S)- and (−)-(R)-4-isopropenyl-3-oxo-1-cyclohexene-1-carbaldehyde [(+)-(S)- and (−)-(R)-isorobinal, (S)- and (R)-1, [α]D28 +51° (c=1.0, CHCl3) and [α]D25 −45° (...
A novel function of housefly glutathione S-transferase 6B—Its effect on the retention and increase of insecticidal activity of the insecticide prothiofos
housefly glutathione S-transferase GST6A and 6B resistance suppression oxidative glutathione conjugation of prothiofos oxon
2009/3/5
Housefly glutathione S-transferases 1, 3, 4, 6A and 6B were obtained from organophosphorus (OP)-resistant Yachiyo and susceptible Takatsuki strains, respectively. Over 90% homology was found between...
Control efficacy of cyflufenamid in the field and its fungicidal properties
cyflufenamid control efficacies fungicidal properties powdery mildew brown rot
2009/3/5
The control efficacy of a novel fungicide, cyflufenamid, (Z)-N-[α-(cyclopropylmethoxyimino)-2,3-difluoro-6-(trifluoromethyl) benzyl]-2-phenylacetamide was studied. In field trials, a low dosage (25 ...
Quantitative structure–activity relationships of imidacloprid and its analogs with substituents at the C5 position on the pyridine ring in the neuroblocking activity
imidacloprid analogs QSAR neuroblocking activity radioligand
2009/3/5
Two nerve activities of imidacloprid analogs with various substituents at the 5-position of the pyridine ring were measured: the conduction blockage in the excised central nerve cord of the American...
Volatile sesquiterpenes emitted from leaves of Polygonum longisetum treated with jasmonic acid and its amide conjugates
jasmonic acid Polygonum longisetum sesquiterpene
2009/3/5
Sesquiterpenes, such as zingiberene, β-elemene, α-bergamotene, β-caryophyllene and (E,E)-α-farnesene were identified as volatile organic compounds (VOCs) from the leaves of Polygonum longisetum trea...
Isolation of an insecticidal compound oxalicine B from Penicillium sp. TAMA 71 and confirmation of its chemical structure by X-ray crystallographic analysis
Penicillium sp oxalicine insecticidal activity green peach aphid
2009/3/5
An insecticidal compound was isolated from Penicillium sp. TAMA 71 and showed 82% mortality against green peach aphid (Myzus persicae) at 100 ppm. The chemical structure of the compound was determin...
Biocontrol activity in a nonpathogenic REMI mutant of Fusarium oxysporum f. sp. conglutinans and characterization of its disrupted gene
cabbage yellows Fusarium oxysporum f. sp. conglutinans biocontrol activity
2009/3/5
A nonpathogenic mutant (REMI10) of Fusarium oxysporum f. sp. conglutinans (FOC) was generated by restriction enzyme-mediated integration (REMI). REMI10 penetrated the cabbage root cortex much slower...
Epoxyalkenyl sex pheromones produced by female moths in highly evolved groups: biosynthesis and its endocrine regulation
lepidopteran sex pheromone pheromone biosynthesis lipophorin neuropeptide hormone
2009/3/5
Polyunsaturated hydrocarbons with a C17-C23 straight chain and the epoxy derivatives constitute a second major class of lepidopteran sex pheromones and are referred to as Type II pheromones. While r...