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二氯喹啉草酮是经中国农业农村部批准登记的茎叶处理除草剂,迄今为止对其潜在的环境污染尚未见报道。本研究建立了一种采用QuEChERS前处理方法结合高效液相色谱-串联三重四极杆质谱 (HPLC-MS/MS) 联用技术检测二氯喹啉草酮在水稻植株、稻谷和土壤中残留的方法,并采用该方法测定了二氯喹啉草酮在水稻植株中的消解动态和最终残留。结果表明:二氯喹啉草酮的进样质量浓度与其峰面积间呈良好的线性相关,R2>...
Effect of nitrogenous fertilizer was studied on incidence of bacterial leaf blight (BLB) in rice (cv. Super Basmati) at Adaptive Research Farm (ARF), Gujranwala and Farmer’s field (Alipur Chattha) dur...
Induction of male sterility in rice by application of ethephon or isourea at different treatments, concentrations and times was investigated in glass house-grown Oryza sativa cv. Nipponbare. Isourea ...
The changes in number of spikelets per panicle (SN) under saline conditions as affected by the application of plant growth regulators were determined. A lowland rice cultivar IR28 whose SN is reduced...
The effects of organic fertilizer (cow and chicken manure) and pesticide on palatability and physicochemical properties of cooked rice (cultivar Nipponbare) were examined for three years from 1996 to ...
From 1991 to 1994, a rice cultivar, Koshihikari, was cultured under dense (25 hills/m2) and sparse (17 hills/m2) planting with a low supply of agricultural chemicals and with continuos application of ...
The mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L. cv. Nipponbare) by δ-aminolevulinic acid (ALA) was investigated. Rice growth recovered when plants were pretreated with 0.1 ...
Induction of Resistance against Rice Blast Disease by a Novel Class of Plant Activator, Pyrazolecarboxylic Acid Derivatives.
Studies on brassinosteroid (BR) function in dicot plants have provided definitive proof that BRs regulate a broad range of cellular responses, and revealed that BRs are essential for plant developme...
We studied a simple cleanup method using selective gel permeation chromatography (GPC) for the analysis of phthalide, fenobucarb and inabenfide in unpolished rice. These pesticides in ground unpolis...
A new pyrrolinone compound, methyl 1-[1-(3,5-dichlorophenyl)-1-methylethyl]-2,3-dihydro-4-methyl-2-oxo-3-phenyl-1H-pyrrole-3-carboxylate (PC-1), has herbicidal activity against early watergrass (Ech...
A dipeptide conjugate of jasmonic acid, [N-(−)-jasmonoyl]-L-alanyl-L-leucine, was prepared and its biological activities were investigated. The conjugate was active in the emission of linalool...
A pyrazole derivative, 3-chloro-1-methyl-1H-pyrazole-5-carboxylic acid (CMPA), exhibited high anti-rice blast activity without any significant antimicrobial activity. To assess the mode of action of...

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