EFFECT OF ALGAE AND YEAST EXTRACTS AS FOLIAR APPLICATION ON THE PRODUCTIVITY OF SNAP BEAN GROWN UNDER SANDY SOIL CONDITIONS

M. Ramadan
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Abstract

A field experiment was carried out during the two successive summer seasons of 2017 and 2018 under sandy soil conditions at El-Khattara Experimental Farm, Fac. Agric., Zagazig University, to study the effect of algae extract at 0, 1 and 2 ml/l, and yeast extract at 0, 5 and 10 g/l as foliar application and their interactions on growth, chemical constituents, yield and pod quality of snap bean cv, Bronco. The most important findings could be summarized as follows: The interaction treatment between spraying snap bean with algae extract at 2 ml/l, and yeast extract at 10 g/l increased plant height, number of leaves, number of branches, shoot dry weight , chlorophyll a, b and total chlorophyll (a+b) in leaf tissues, N,P and K contents in shoots and its uptake by shoots, average pod length , pod weight , yield / plant, and total pods yield/fed., total carbohydrates, TSS and total protein in green pods and lowest total fiber content in green pods. However, this treatment recorded a high relative increases in total yield/fed. were about 5.96 % over the control as average of two seasons. Key word: Snap bean, algae, yeast extract, chemical constituents, yield and pod quality.
叶面施用海藻和酵母提取物对沙土条件下豆荚产量的影响
在2017年和2018年连续两个夏季,在Fac El-Khattara实验农场的沙质土壤条件下进行了田间试验。阿格利司。研究叶面施用藻类提取物0、1和2 ml/l,酵母提取物0、5和10 g/l对Bronco菜豆生长、化学成分、产量和豆荚品质的影响及其相互作用。结果表明:以2 ml/l海藻提取物和10 g/l酵母提取物喷施速食豆,可显著提高速食豆的株高、叶数、分枝数、茎干重、叶片组织叶绿素a、b和总叶绿素(a+b)、茎中氮、磷、钾含量及其吸收、平均荚果长、荚果重、单株产量和总荚果产量/采食量。总碳水化合物、TSS和总蛋白质含量最高,总纤维含量最低。然而,该处理在总产量/采食量方面有较高的相对提高。两季平均比对照高5.96%。关键词:蚕豆,藻类,酵母提取物,化学成分,产量和豆荚品质。
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