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首页> 外文期刊>Acta Horticulturae >Effect of foliar application of nitrogen with or without growth regulators on deadly nightshade (Atropa belladonna L.). Part I: Growth and dry biomass.
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Effect of foliar application of nitrogen with or without growth regulators on deadly nightshade (Atropa belladonna L.). Part I: Growth and dry biomass.

机译：叶面施氮与不加生长调节剂对致命茄属植物（Atropa belladonna L.）的影响。第一部分：生长和干燥生物量。

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The aim of ongoing investigation was to study the effects of nitrogen with or without some growth regulators such as benzyl amino purine (BAP) or gibberillic acid (GA3) on growth and dry biomass of deadly nightshade (Atropa belladonna). This investigation was carried out in Department of Horticulture and Landscape Gardening, College of Agriculture, University of Baghdad, Iraq during the growing season 2008/2009 in a factorial experiment in randomized complete block design with three replications. The experiment was designed to study the effect of foliar application of nitrogen with or without growth regulators of gibberellic acid on plant growth and dry biomass accumulation. It was found that foliar application of nitrogen significantly increased the length of main stem and plant height. The highest number of branches per plant and dry weight of the roots were recorded. Application of 2000 mg N L-1 resulted in the highest number of leaves on the main stem, leaf area per plant and dry weight of the aerial parts. Nitrogen application did not affect SPAD unit significantly. Application of was found to increase the number of branches, leaf area per plant, number of leaves on the main stem and dry weight of the aerial parts while GA3 increased the length and diameter of the main stem, the height of the plant and the dry weight of aerial parts and roots significantly. A conclusion can be made that application of nitrogen at 2,000 mg L-1 plus benzyl amino purine at 50 mg L-1 is the recommended treatment.
机译：正在进行的研究旨在研究含或不含某些生长调节剂（例如苄基氨基嘌呤（BAP）或赤霉素（GA 3 ））的氮对致命茄属植物（Atropa）的生长和干燥生物量的影响。颠茄）。这项调查是在伊拉克巴格达大学农业学院园艺与园林园艺系于2008/2009年生长季节进行的，其中一项因子分析实验涉及三份重复的随机完整块设计。该实验旨在研究叶面施氮与不加赤霉素生长调节剂对植物生长和干生物量积累的影响。发现叶面施用氮显着增加了主茎的长度和株高。记录了每株植物的最高枝数和根的干重。 2000 mg N L -1 的施用导致主茎上的叶片数量最多，单株叶片面积和地上部分的干重。施氮对SPAD单位没有明显影响。研究发现，施用GA可以增加枝的数量，单株叶片的面积，主茎上的叶片数量和地上部分的干重，而GA 3 可以增加主茎的长度和直径，植物的高度和地上部分及根的干重。可以得出结论，建议使用2,000 mg L -1 的氮和50 mg L -1 的苄基氨基嘌呤。

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