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首页> 外文期刊>Indian Journal of Weed Science >Persistence of Isoproturon in GobhiSarson (Rrassica napus L.) and Canola (B. napus) Genotypes
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Persistence of Isoproturon in GobhiSarson (Rrassica napus L.) and Canola (B. napus) Genotypes

机译：异丙隆在哥布萨森（Rrassica napus L.）和油菜（B. napus）基因型中的持久性

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摘要

Isoproturon is recommended for weed control in different cultivars of gobhi sarson. Its leaves being deep green and smooth are commonly used as pot herb. In Punjab, it is called as Sag. Canola is an internationally accepted nomenclature for Brassica varieties C 8888 and C 124 having < 2% erucic acid and < 30 mu glucosinolates g~(-1), which is considered to be healthy oil Tor human consumption. Therefore, it is very essential to estimate herbicide residue in vegetative plant parts. Keeping this in view, the residue of isoproturon was estimated at early stages of growth in gobhi sarson cultivars. A field experiment was conducted during 2000-01 to study the persistence of isoproturon (0.5 and 0.75 kg ha~(-1)) in plant. Plant samples were collected after 7, 15 and 30 days of herbicide application. The method of extraction and estimation of isoproturon content in plant were followed as described by Katz (1966) and Kulshreshtha (1982). The chlorophyll "a" & "b" contents of leaves were estimated by the method of Witham (1971).
机译：推荐使用异proturon对哥布萨森州的不同品种的杂草进行防除。它的叶子深绿色且光滑，通常用作盆栽草药。在旁遮普邦，它被称为凹陷。双低油菜籽是芸苔属植物品种C 8888和C 124的国际公认命名法，芥子油含量小于2％，芥子油苷g〜（-1）小于30亩，被认为是人类食用的健康油。因此，估算营养植物部分中的除草剂残留量非常重要。牢记这一点，据估计哥布萨森（Gobhi sarson）品种在生长的早期就残留了异丙隆。在2000-01年间进行了田间试验，以研究异丙隆（0.5和0.75 kg ha〜（-1））在植物中的持久性。除草剂施用7、15和30天后收集植物样品。按照Katz（1966）和Kulshreshtha（1982）的描述，采用了提取和估算植物中异丙隆含量的方法。叶片的叶绿素“ a”和“ b”含量通过Witham（1971）方法估算。

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