Application of Naa and Ba in Chemical Thinning of Some Commercial Cultivars of Apple

Šebek, G.

doi:10.21162/pakjas/16.2740

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…1-naphthaleneacetic acid (NAA) is an old thinning compound which is based on its hormonal action as a synthetic auxin (Sebek, 2014;Stopar, 2002). The mechanism of action of NAA is based on the stimulation of ethylene synthesis taking place in fruitlet tissue.…”

Section: Introductionmentioning

confidence: 99%

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The Influence of Thinning Agent on base of 6-BA and NAA on Productivity and Fruit Quality of „Gala Must” Variety

Peşteanu¹

2015

BUASVMCN-HORT

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Chemical thinning of pome fruits is important measure for the profitable agricultural production of fruits. Chemical thinning provides a good yield potential for the following vegetation. Thinning the apple crop during the post bloom period is absolutely essential to ensure large fruit size, superior fruit quality, and reliable annual cropping. To evaluate the influence of thinning agent on base of 6-benzyladenine (6-BA) and naphthalene acetic acid (NAA) in reducing fruit set and quality in Gala Must apple trees. The experimental plot was founded in 2006 with trees of "knip boom" canopy type. The study subject of the experience was Gala Must apple variety grafted on M 9. The trees were trained as slender spindles. The distance of plantation is 3.5 x 1.2 m. The tested combination was 6-BA and NAA. The preparation was sprayed on the trees either one time, when the king fruit diameter was 10-15 mm. The research was conducted during the period of 2011 year. During the research, it was studied the number of blossom clusters before thinning degree, fruit at harvest time, yield, mean fruit weight, average fruit diameter, size classes based on their diameter and the number of pygmy fruits. It was established that, the good effect of thinning was noticed after single application of 100 ppm 6-BA + NAA 10 ppm. The combined treatment with 6-BA 100 ppm + NAA 10 ppm has a significant effect on yield, mean fruit weight and positively influenced fruit size, the distribution of apples in size classes.

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Section: Introductionmentioning

confidence: 99%

“…The combination spraying of BA and NAA is sometimes recommended to get a stronger thinning response or to use lower rates of each thinner (Robinson et al, 1998;Sebek, 2014). The aim of this study was to examine the efficacy of BA and NAA combination for the Gala Must cultivar in climatic condition of Republic Moldova.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Thinning Agent on base of 6-BA and NAA on Productivity and Fruit Quality of „Gala Must” Variety

Peşteanu¹

2015

BUASVMCN-HORT

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MM106 Anacı Üzerine Aşılı Bazı Elma Çeşitlerinde Benziladenin ve Naftalen Asetik Asit Uygulamalarının Meyve Seyreltmesi ve Kalitesi Üzerine Etkisi

Turak

Gülsoy

Aslantaş

2019

Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi

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Fruit thinning is an essential practice to improve fruit size and quality, control alternate bearing and increase return bloom in the next season. Fruit thinning is performed by hand or by using some chemicals. In this study, the effect of chemical thinning, namely two doses of 5 and 10 ppm of Naphthalene Acetic Acid (NAA) or of 100 and 150 ppm of Benzyladenine (BA) on fruit thinning and some fruit quality traits Golden Delicious, Red Chief and Granny Smith apple cultivars grafted on MM 106 clone rootstock in 2015 was tested and compared with the effect of hand thinning. Chemical treatment was applied after three weeks of full bloom, while the hand thinning was made to be released a fruit per cluster on each branch in small fruit period after June-drops. The results showed that the highest fruit thinning ratio was found in the Granny Smith cultivars, with 5 ppm (93.80%) and 10 ppm (91.65%) of NAA, 100 ppm (89.88%) and 150 ppm 88.98%) of BA. It can be concluded that the applications of 10 ppm of NAA and 100 and 150 ppm of BA were found effective for fruit thinning and fruit quality. Furthermore, the hand thinning application increased the fruit weights more than all the chemical applications.

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Application of Naa and Ba in Chemical Thinning of Some Commercial Cultivars of Apple

Cited by 2 publications

References 12 publications

The Influence of Thinning Agent on base of 6-BA and NAA on Productivity and Fruit Quality of „Gala Must” Variety

The Influence of Thinning Agent on base of 6-BA and NAA on Productivity and Fruit Quality of „Gala Must” Variety

MM106 Anacı Üzerine Aşılı Bazı Elma Çeşitlerinde Benziladenin ve Naftalen Asetik Asit Uygulamalarının Meyve Seyreltmesi ve Kalitesi Üzerine Etkisi

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