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首页> 外文期刊>South African Journal of Plant and Soil >High sorgoleone autotoxicity in sorghum (Sorghum bicolor (L.) Moench) varieties that produce high sorgoleone content
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High sorgoleone autotoxicity in sorghum (Sorghum bicolor (L.) Moench) varieties that produce high sorgoleone content

机译：高粱（高粱双子（L.）Moench）品种的高索酮自诱变度，产生高索里酮含量

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Sorghum autotoxicity can inhibit germination and growth, resulting in low plant densities and reduced crop productivity. Three sorghum varieties (Dhlakama, Shirikure and Macia) were evaluated for autotoxicity in 2018 at the University of Zimbabwe. Experiments were set up for 3 * 4 factorial testing of the effect of sorgoleone from the three varieties on sorghum seeds and seedlings at four serial dilutions. Crude sorgoleone was extracted using methanol, from seedlings of each variety at six days afteremergence. To test autotoxicity, serial dilutions of sorgoleone were prepared by mixing the crude methanol extract with distilled water in the ratio 0:0; 1:10; 1:5 and 1:3 (v/v). Sorgoleone from Dhlakama significantly (p < 0.001) reduced germination ofthat variety by 76.1%. Germination in Shirikure and Macia was inhibited by 69.4% and 58.9%, respectively. Increasing the strength of the serial dilution of crude sorgoleone from all varieties significantly (p < 0.001) reduced plumule length of the threesorghum varieties. Sorgoleone from Shirikure and Dhlakama significantly (p < 0.001) reduced the dry weight of these two varieties by 76.9% and 69.4% respectively compared to crude sorgoleone from Macia. Sorghum varieties producing high concentrations ofsorgoleone are highly autotoxic, and autotoxicity in the sorghum is variety dependent.
机译：高粱自诱毒性可抑制萌发和生长，导致植物密度低，减少作物生产力。 2018年在津巴布韦大学评估了三种高粱品种（Dhlakama，Shirikure和Macia）进行了自身诱惑。在四个连续稀释液中，设立了Sorgoleone对Sorgoleone对Sorgoleone的影响的3 * 4次造成测试。使用甲醇，从每种品种的幼苗在六天后甲醇提取粗索酮。为了进行自诱导，通过将粗甲醇提取物与蒸馏水中的比例0：0混合来制备串胆碱的系列稀释液; 1:10; 1：5和1：3（v / v）。来自Dhlakama的Sorgoleone显着（p <0.001）减少了多样性的萌发76.1％。 Shirikure和Macia的发芽分别抑制69.4％和58.9％。提高来自所有品种的粗索酮连续稀释的强度显着（P <0.001）减少三叶草品种的羽毛长度。来自Shirikure和Dhlakama的Sorgoleone显着（P <0.001）将这两个品种的干重减少76.9％和69.4％，而来自麦基亚的粗索酮相比。生产高浓度的高粱品种是高诱导的，高粱中的自身诱变是多样化的。

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