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Dissipation dynamic of quintrione in rice plants and terminal residue in rice straw, grain and soil
high-performance liquid chromatography-tandem mass spectrometry dissipation dynamic quintrione rice plant soil residue
2020/4/20
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>...
Studies on nitrogen-containing secondary metabolites playing a defensive role in plants
secondary metabolism defense substance elicitor flux analysis metabolic profiling tryptophan
2009/6/1
Plants have evolved various types of defense systems against invading enemies, such as herbivory animals and microbial pathogens. Upon interaction with attacking organisms, plants activate their secon...
Accumulation of Protoporphyrinogen IX prior to Protoporphyrin IX in Intact Plants Treated with Protoporphyrinogen IX Oxidase-Inhibiting Herbicides
pyraflufen-ethy acifluorfen herbicide protoporphyrinogen IX oxidase
2009/3/6
A combination of two conventional methods of porphyrins analysis revealed a significant accumulation of protoporphyrinogen IX (Protogen) prior to protoporphyrin IX (Proto IX) in cucumber (Cucumis sa...
Functional analysis of transgenic rice plants expressing a novel mutated ALS gene of rice
acetolactate synthase acetohydroxyacid synthase ALS AHAS
2009/3/5
We performed functional analysis of transgenic plants expressing the W548L/S627I mutated ALS gene from rice as well as studies on inheritance of the mutated gene, phenotype and fertility of transgen...
Action of fentrazamide on protein metabolism and cell division in plants
fentrazamide amino acid very long chain fatty acids
2009/3/5
Fentrazamide [4-(2-chlorophenyl)-N-cyclohexyl-N-ethyl-4,5-dihydro-5-oxo-1H-tetrazole-1-carboxamide] is a new tetrazolinone class herbicide. Fentrazamide at and above 1 μM showed marked phytotoxic ac...
Total utilization of tropical plants Leucaena leucocephala and Alpinia zerumbet
Leucaena leucocephala Alpinia zerumbet mimosine dihydro-5,6-dehydrokawain
2009/3/5
In Okinawa, leucaena (Leucaena leucocephala de Wit) has great potential as animal feed for its high protein content, but its use has been limited owing to the presence of mimosine (β-[N-(3-hydroxy-4...
Persistence of insecticidal activities of crude essential oils of three aromatic plants towards four major stored product insect pests
essential oils aromatic plants stored products insect pests persistence
2009/3/3
Essential oils of aromatic plants with insecticidal properties are more and more considered as alternative insecticides to protect stored products. Many banned insecticides have high persistence whi...