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首页> 美国卫生研究院文献>Plants >The Phytotoxic Potential of the Flowering Foliage of Gorse (Ulex europaeus) and Scotch Broom (Cytisus scoparius) as Pre-Emergent Weed Control in Maize in a Glasshouse Pot Experiment
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The Phytotoxic Potential of the Flowering Foliage of Gorse (Ulex europaeus) and Scotch Broom (Cytisus scoparius) as Pre-Emergent Weed Control in Maize in a Glasshouse Pot Experiment

机译：在温室温室盆栽试验中金丝花（Ulex europaeus）和苏格兰扫帚（Cytisus scoparius）的开花叶子的植物毒性潜力作为玉米出苗前的杂草控制。

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In our previous studies, the phytotoxicity of (gorse) and (Scotch broom) was demonstrated in vitro and argued to be caused by the release of volatile and water-soluble compounds from fresh plant foliage. In light of these positive results, there was a need to test the effects . In this work, gorse and Scotch broom were used as soil amendments in pot experiments in a glasshouse by incorporating slashed plant material into the soil at a ratio of 1% on a dry mass basis. The phytotoxic effects on the emergence and early growth of maize and five accompanying weed species were analyzed, as were the effect on soil fertility and soil community-level physiological profiles. Thirty days after incorporation, significant decreases in weed density of 32.2% and 59.5% were found for gorse and Scotch broom soil amendments, respectively. Gorse soil amendment was notably effective impairing the establishment of and diminishing the plant height of and . Scotch broom soil amendment was capable of significantly inhibiting the emergence of , , , and , with a notable reduction of weed biomass. No undesirable side effects on maize crop or soil quality, including microbial activity, were detected. Our results suggest that the incorporation of gorse and Scotch broom foliage is promising for pre-emergent weed control in maize; however, field trials that support and expand these glasshouse results are essential.
机译：在我们以前的研究中，（金枪鱼）和（苏格兰扫帚）的植物毒性在体外得到证实，并被认为是由新鲜植物叶片释放出挥发性和水溶性化合物引起的。鉴于这些积极的结果，有必要测试其效果。在这项工作中，在温室的盆栽实验中，金雀花和苏格兰扫帚被用作土壤改良剂，方法是将砍下的植物材料以干重的1％比例掺入土壤中。分析了对玉米和五种伴随的杂草物种的出苗和早期生长的植物毒性作用，以及对土壤肥力和土壤群落水平生理特征的影响。掺入后三十天，金雀花和苏格兰扫帚土壤改良剂的杂草密度分别显着降低了32.2％和59.5％。金丝雀的土壤改良剂显着地影响了和的株高的建立和降低。苏格兰扫帚土壤改良剂能够显着抑制，，和的出现，并显着减少了杂草生物量。没有发现对玉米作物或土壤质量的不良副作用，包括微生物活性。我们的研究结果表明，将金雀花和苏格兰扫帚的叶子结合起来对于玉米出苗前的杂草控制很有希望。但是，支持和扩大这些温室结果的现场试验至关重要。

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