Influence of Exogenous 6-Benzylaminopurine on Growth, Physiological Parameters, Proximate Content and Mineral Element Composition of Pot-Grown Solanecio biafrae

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI:10.4172/2329-8863.1000398

J. Opabode, Iqmot B. Raji

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Abstract

The influences of exogenous 6-benzylaminopurine (BAP) on shoot emergence, growth, fresh shoot weight, physiological parameters, proximate and mineral element contents of green-stemmed morphotype of Solanecio biafrae at early stage were investigated. Stem-cuttings were sprayed with solution containing concentrations (0, 10, 20, 30, 40, 50, 60, 70, 80, 90 or 100 mg L-1) of BAP a day after planting in plastic pots. Medium (60-70 mg L-1) BAP promoted highest number of shoot per stem-cutting, total number of leaves, total leaf area, shoot to root ratio, total soluble sugars, ash, carbohydrate, leaf Mg and Ca. Intermodal length, phenolic, crude fibre, leaf Na, P and Zn increased as BAP concentration increased. Shoot height, dry weight, chlorophylls a and b, total soluble protein, moisture, crude protein, fresh shoot weight and leaf Fe did not differ significantly (P>0.05) at medium to high (50-100 mg L-1) concentrations of BAP. The study concluded that 60 mg L-1 BAP is the best concentration as it promoted highest number of shoot per stem-cutting, total number of leaves, total leaf area, shoot height, dry weight, fresh shoot weight, shoot to root ratio, chlorophyll a and b, phenolics, total soluble sugars and proteins, crude protein, fat, ash and carbohydrate, leaf K, Mg and Ca.

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外源6-苄基氨基嘌呤对盆栽龙葵生长、生理参数、含量及矿质元素组成的影响

研究了外源6-苄基氨基嘌呤(BAP)对绿茎型白茄(Solanecio biafrae)早期芽出苗、生长、鲜梢重、生理参数、近因元素和矿质元素含量的影响。插枝种植后，每天在塑料盆中喷洒含有浓度(0、10、20、30、40、50、60、70、80、90或100 mg L-1) BAP的溶液。中剂量(60 ~ 70 mg L-1) BAP对单根插枝芽数、总叶数、总叶面积、茎根比、总可溶性糖、灰分、碳水化合物、叶片mg和Ca的影响最大。随着BAP浓度的增加，联运长度、酚类物质、粗纤维、叶片Na、P和Zn均增加。中高(50 ~ 100 mg L-1) BAP处理对茎高、干重、叶绿素a和b、总可溶性蛋白、水分、粗蛋白质、鲜梢重和叶片铁含量无显著影响(P>0.05)。结果表明，以60 mg L-1 BAP处理效果最佳，可促进单根扦插芽数、总叶数、总叶面积、茎高、干重、鲜重、茎根比、叶绿素a和b、酚类物质、总可溶性糖和蛋白质、粗蛋白质、脂肪、灰分和碳水化合物、叶片K、mg和Ca的增加。

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Advances in Crop Science and Technology

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