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Controlling cropping and improving fruit quality in flordaprince peaches by pruning intensity and GA spray [electronic resource

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Attia, M.M.?$<UNAUTHORIZED>

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Language: English Summary language: Arabic Description: p.521-535Other title:

إنتاجية وتحسين جودة ثمار الخوخ فلوردابرينس بواسطة شدة التقليم والرش بحامض الجبريلليك [Added title page title]

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Journal of the advances in agricultural researches, 2003 v. 8 (3) [electronic resource]

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In: Journal of the Advances in Agricultural Researches 2003.v.8(3)Summary: In the present study three Pruning regimes (L, M & S) and GA3 sprays (0, 60 &120 ppm) in two different dates and their interaction effect on Flordaprince peach were investigated. Severe pruning gave the highest effect on fruit set, fruit size distribution, fruit weight and diameter, color, anthocyanin content, firmness and TSS content at harvest. However, yield Was increued by light pruning. Spraying GA3 decreased flower density, fruit set, fruit firmness at harvest and number of decayed fruits. 120 ppm GA3 on June gave the highest fruit weight and diameter. TSS content (at harvest and after storage), anthocyanin and sugar contents. Spraying 60 or 120 ppm GA3 on July increased the number of undersized fruits. GA3 alone had no effect on fruit color, weight loss and firmness after storage.

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In the present study three Pruning regimes (L, M & S) and GA3 sprays (0, 60 &120 ppm) in two different dates and their interaction effect on Flordaprince peach were investigated. Severe pruning gave the highest effect on fruit set, fruit size distribution, fruit weight and diameter, color, anthocyanin content, firmness and TSS content at harvest. However, yield Was increued by light pruning. Spraying GA3 decreased flower density, fruit set, fruit firmness at harvest and number of decayed fruits. 120 ppm GA3 on June gave the highest fruit weight and diameter. TSS content (at harvest and after storage), anthocyanin and sugar contents. Spraying 60 or 120 ppm GA3 on July increased the number of undersized fruits. GA3 alone had no effect on fruit color, weight loss and firmness after storage.

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