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Provedor de dados:  Taiwan Agricultural Research Institute
País:  Taiwan
Título:  EFFECT OF KNOXWEED ON THE CONTROL OF WEEDS IN PADDY RICE
水田殺草劑 Knoxweed 之治草效果
Autores:  W.L. Chang
張萬來
Data:  1968-12
Ano:  1968
Palavras-chave:  [[classification]]14
Resumo:  [[abstract]]Several combinations of Knoxweed (Eptam + MCPA) were evaluated for their weed control effect at the Chiayi Agricultural Experiment Station in the first crop of 1968. All treatments of Eptam + MCPA were found to be highly effective in controlling weeds in paddy rice and its effect was found to last more than 8 weeks after the application of this chemical. However, Eptam+ MCPA caused severe phytotoxicity to rice. Rice toxicity was found to be related to the rate of MCPA, the higher the MCPA rate, the heavier the rice toxicity. As a result, grain yields of all Eptam + MCPA treatments were 12.1 to 29.3% lower than that of hand weeded check. 有效成份含量不同之Knoxweed若干種經本分所於57年第一期作水稻田試驗結果,發現不同成分之處理均具優良之治草效果,但因對水稻之藥害極為嚴重,其每公頃稻谷產量僅達人工除草區之71~88%。
Idioma:  Inglês
Identificador:  [[uri]]http://210.69.150.18:8080//handle/345210000/2459
Relação:  Agricultural Research 17(4): 34-40
農業研究 17(4): 34-40
Formato:  [[extent]]638763 bytes

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