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Polska Bibliografia Naukowa

Issue 15 (3) 2016 pp. 113–125

Zoran Keserović, Biserka Milić, Slavko Kevrešan, Nenad Magazin, Marko Dorić

THE EFFECT OF NAPHTHENIC ACIDS (NAs) ON THE RESPONSE OF ‘GOLDEN DELICIOUS’ AND ‘FUJI’ APPLE TREES ON CHEMICAL THINNING WITH NAA

Abstract: NAA (α-naphthylacetic acid) thins apple fruits inconsistently regarding fruit set and weight and may cause small or misshapen fruits occurrence. Considering hormonal activity, surfactant properties and the impact of naphthenic acids (NAs) on the metabolism of auxins in plant tissue, it is assumed that thinning response and fruit size could be improved by adding NAs to NAA for chemical thinning of apple. The purpose of the research was to evaluate thinning efficacy of the mixture of NAA and NAs in two commercially grown apple cultivars, ‘Golden Delicious’ and ‘Fuji’, known to respond differently to the application of NAA. The following treatments were applied during a three-year period, from 2010 to 2012: 10 mg∙L-1 NAA, 10 mg∙L-1 NAA + 1.56 mg∙L-1 NAs, 20 mg∙L-1 NAA, 20 mg∙L-1 NAA + 3.12 mg∙L-1 NAs and an untreated control. The addition of NAs to NAA did not alter the effectiveness of NAA in reducing fruit set, while it significantly increased fruit weight compared to NAA applied alone in two of three years of the experiment. NAs modulated the effect of NAA on fruit weight of apple cultivar ‘Fuji’ by retarding fruit growth and causing a higher number of small fruits to occur compared to NAA applied alone.
pub/15_3_113.pdf Full text available in Adobe Acrobat format:
http://www.hortorumcultus.actapol.net/volume15/issue3/15_3_113.pdf
Keywords: α-naphthylacetic acid, fruit set, yield, fruit weight, fruit quality

For citation:

MLA Keserović, Zoran, et al. "THE EFFECT OF NAPHTHENIC ACIDS (NAs) ON THE RESPONSE OF ‘GOLDEN DELICIOUS’ AND ‘FUJI’ APPLE TREES ON CHEMICAL THINNING WITH NAA." Acta Sci.Pol. Hortorum Cultus 15.3 (2016): 15.
APA Keserović, Z., Milić, B., Kevrešan, S., Magazin, N., & Dorić, M. (2016). THE EFFECT OF NAPHTHENIC ACIDS (NAs) ON THE RESPONSE OF ‘GOLDEN DELICIOUS’ AND ‘FUJI’ APPLE TREES ON CHEMICAL THINNING WITH NAA. Acta Sci.Pol. Hortorum Cultus 15 (3), 15.
ISO 690 KESEROVIć, Zoran, et al. THE EFFECT OF NAPHTHENIC ACIDS (NAs) ON THE RESPONSE OF ‘GOLDEN DELICIOUS’ AND ‘FUJI’ APPLE TREES ON CHEMICAL THINNING WITH NAA. Acta Sci.Pol. Hortorum Cultus, 2016, 15.3: 15.
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Streszczenie w języku polskim:
http://www.hortorumcultus.actapol.net/tom15/zeszyt3/abstrakt-113.html