硫酸亜鉛の葉面散布がグアバ(Psidium guajava L.)の発育,収量ならびに果実の品質に及ぼす影響〔英文〕

概要

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Responses on various characters of guava trees due to foliar spray of zinc were studied in the field trial. The guava trees were sprayed with 0.0%, 0.2% and 0.4% zinc sulphate solutions during July 1966 and 1967. Significant improvement in growth characters, i.e., elongation of terminal shoot, number of leaves, leaf area per shoot and chlorophyll recovery was observed with zinc spray. The zinc spray also significantly reduced the time for fruit maturity and increased fruit yield significantly. The significant improvement was also recorded on Fruit weight, length, diameter, reducing sugars, Vitamin C, pectic substances and total soluble solids, And significant reduction in acidity.
園藝學會の論文