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首页> 外文期刊>Journal of pesticide science >Metabolism of mepanipyrim in tomato seedlings.
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Metabolism of mepanipyrim in tomato seedlings.

机译：番茄幼苗中甲吡虫啉的代谢。

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摘要

Absorption, translocation and metabolism of mepanipyrim [N-(4-methyl-6-prop-1-ynylpyrimidin-2-yl)aniline] in tomato (cv. TVR-2) seedlings were studied using 14C-preparations labelled separately in the pyrimidine and the benzene rings. When [14C]mepanipyrim was applied onto the leaf, mepanipyrim was found to be slowly absorbed and translocated from the treated leaves to other parts of tomato seedlings, since most of the recovered 14C remained at the treated leaves and <1 % of 14C was detected in other parts of the seedlings. 2-[4-Methyl-6-(1-propynyl)pyrimidin-2-ylamino]phenol (M-37), 4-[4-methyl-6-(1-propynyl)pyrimidin-2-ylamino]phenol (M-1), 1-(2-anilino-6-methylpyrimidin-4-yl)-2-propanol (M-31) and 4-methyl-6-(1-propynyl)pyrimidin-2-ylamine (M-41) were tentatively identified as major metabolites. M-37 and M-31 were mainly detected as several kinds of glycosides. When [14C]mepanipyrim was applied in an aqueous solution, the radioactivity in the seedlings increased with time, and 1-(2-anilino-6-methylpyrimidin-4-yl)-2-propanone (M-6) was also identified in the seedlings. A large amount of M-31 was detected in the seedlings when M-6 labelled with 14C was applied to seedlings. It is suggested that mepanipyrim is metabolized to M-31 via M-6.
机译：使用在嘧啶中分别标记的14C制剂研究了番茄（cv。TVR-2）幼苗中甲胺嘧啶[N-（4-甲基-6-丙-1-炔基嘧啶-2-基）苯胺]的吸收，转运和代谢和苯环。当将[14C]甲吡虫啉施用到叶片上时，发现甲吡虫啉被缓慢吸收并从处理的叶片转移到番茄幼苗的其他部分，因为回收的大部分14C保留在处理的叶片上，并且检测到的<14％不到14％在幼苗的其他部分。 2- [4-甲基-6-（1-丙炔基）嘧啶-2-基氨基]苯酚（M-37），4- [4-甲基-6-（1-丙炔基）嘧啶-2-基氨基]苯酚（M -1），1-（2-苯胺基-6-甲基嘧啶-4-基）-2-丙醇（M-31）和4-甲基-6-（1-丙炔基）嘧啶-2-基胺（M-41）初步确定为主要代谢产物。 M-37和M-31主要被检测为几种糖苷。当在水溶液中施用[14C]甲吡嘧啶时，幼苗中的放射性随时间增加，并且还鉴定出1-（2-苯胺基-6-甲基嘧啶-4-基）-2-丙酮（M-6）。幼苗。当用14C标记的M-6应用于幼苗时，在幼苗中检测到大量的M-31。提示甲氨蝶呤通过M-6代谢为M-31。

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