Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)

A field trial was conducted during 2013-14 and 2014-15 fruiting seasons in growers' vineyards around Nashik, Maharashtra, India to improve efficacy of GA3 sprays in berrythinning. As smaller clusters have fewer berries, cluster compactness derived at by number of berries per unit length (cm) of...

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Autores principales:	S D Shikhamany, Swapnil V Borade, Sanjay K Jeughale, Suryakant Y Patil
Formato:	article
Lenguaje:	EN
Publicado:	Society for Promotion of Horticulture - Indian Institute of Horticultural Research 2016
Materias:	cane regulation ga3 spray uniform flowering cluster compactness thompson seedless Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/5875c79f707847bd8a4cc2c9ac2e7549
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spelling	oai:doaj.org-article:5875c79f707847bd8a4cc2c9ac2e75492021-12-02T10:22:28ZEffect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)0973-354X2582-4899https://doaj.org/article/5875c79f707847bd8a4cc2c9ac2e75492016-12-01T00:00:00Zhttps://jhs.iihr.res.in/index.php/jhs/article/view/83https://doaj.org/toc/0973-354Xhttps://doaj.org/toc/2582-4899A field trial was conducted during 2013-14 and 2014-15 fruiting seasons in growers' vineyards around Nashik, Maharashtra, India to improve efficacy of GA3 sprays in berrythinning. As smaller clusters have fewer berries, cluster compactness derived at by number of berries per unit length (cm) of rachis, and, berry-diameter were considered as a measure of berry-thinning. As GA3 effect in berry-thinning is stage-specific, canes uniformly thick in a vine only were retained to achieve uniformity in flowering, by inducing uniform bud-break. Cane regulation did not result in uniformity in bud-break or flowering. Blanket spray of GA3 thrice @ 20g a.i./ha, each coupled with either removal of non-uniform canes or retention of all the canes could effectively reduce cluster compactness by reducing number of berries per cluster, without increasing total length of the rachis/cluster or berry diameter. Vine yield and quality in terms of total soluble solids and acid content were not affected by the treatments. Considering cluster-compactness, yield and ease of cultural operations, retention of all the canes in a vine, coupled with three blanket sprays each of GA3 @ 20g a.i/ha, on alternate days commencing from initiation of the bloom, is recommended for 'Thompson Seedless'.S D ShikhamanySwapnil V BoradeSanjay K JeughaleSuryakant Y PatilSociety for Promotion of Horticulture - Indian Institute of Horticultural Researcharticlecane regulationga3 sprayuniform floweringcluster compactnessthompson seedlessPlant cultureSB1-1110ENJournal of Horticultural Sciences, Vol 11, Iss 2, Pp 131-142 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	cane regulation ga3 spray uniform flowering cluster compactness thompson seedless Plant culture SB1-1110
spellingShingle	cane regulation ga3 spray uniform flowering cluster compactness thompson seedless Plant culture SB1-1110 S D Shikhamany Swapnil V Borade Sanjay K Jeughale Suryakant Y Patil Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
description	A field trial was conducted during 2013-14 and 2014-15 fruiting seasons in growers' vineyards around Nashik, Maharashtra, India to improve efficacy of GA3 sprays in berrythinning. As smaller clusters have fewer berries, cluster compactness derived at by number of berries per unit length (cm) of rachis, and, berry-diameter were considered as a measure of berry-thinning. As GA3 effect in berry-thinning is stage-specific, canes uniformly thick in a vine only were retained to achieve uniformity in flowering, by inducing uniform bud-break. Cane regulation did not result in uniformity in bud-break or flowering. Blanket spray of GA3 thrice @ 20g a.i./ha, each coupled with either removal of non-uniform canes or retention of all the canes could effectively reduce cluster compactness by reducing number of berries per cluster, without increasing total length of the rachis/cluster or berry diameter. Vine yield and quality in terms of total soluble solids and acid content were not affected by the treatments. Considering cluster-compactness, yield and ease of cultural operations, retention of all the canes in a vine, coupled with three blanket sprays each of GA3 @ 20g a.i/ha, on alternate days commencing from initiation of the bloom, is recommended for 'Thompson Seedless'.
format	article
author	S D Shikhamany Swapnil V Borade Sanjay K Jeughale Suryakant Y Patil
author_facet	S D Shikhamany Swapnil V Borade Sanjay K Jeughale Suryakant Y Patil
author_sort	S D Shikhamany
title	Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
title_short	Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
title_full	Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
title_fullStr	Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
title_full_unstemmed	Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)
title_sort	effect of cane regulation and ga3 spray on berry thinning in 'thompson seedless' grape (vitis vinifera l.)
publisher	Society for Promotion of Horticulture - Indian Institute of Horticultural Research
publishDate	2016
url	https://doaj.org/article/5875c79f707847bd8a4cc2c9ac2e7549
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Effect of Cane Regulation and GA3 Spray on Berry Thinning in 'Thompson Seedless' Grape (Vitis vinifera L.)

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