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Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'

Mladen Fruk   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia
Mushtaque A. Jatoi   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia; Shah Abdul Latif University, Date Palm Research Institute, 66020, Khairpur, Pakistan
Goran Fruk   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia
Marko Vuković   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia
Josip Buhin   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia
Tomislav Jemrić   ORCID icon orcid.org/ORCID ; University of Zagreb, Faculty of Agriculture, Department of Pomology, 10000, Zagreb, Croatia

Puni tekst: engleski, pdf (104 KB) str. 219-222 preuzimanja: 62* citiraj
APA 6th Edition
Fruk, M., Jatoi, M.A., Fruk, G., Vuković, M., Buhin, J. i Jemrić, T. (2018). Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'. Agriculturae Conspectus Scientificus, 83 (3), 219-222. Preuzeto s https://hrcak.srce.hr/205860
MLA 8th Edition
Fruk, Mladen, et al. "Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'." Agriculturae Conspectus Scientificus, vol. 83, br. 3, 2018, str. 219-222. https://hrcak.srce.hr/205860. Citirano 06.04.2020.
Chicago 17th Edition
Fruk, Mladen, Mushtaque A. Jatoi, Goran Fruk, Marko Vuković, Josip Buhin i Tomislav Jemrić. "Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'." Agriculturae Conspectus Scientificus 83, br. 3 (2018): 219-222. https://hrcak.srce.hr/205860
Harvard
Fruk, M., et al. (2018). 'Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'', Agriculturae Conspectus Scientificus, 83(3), str. 219-222. Preuzeto s: https://hrcak.srce.hr/205860 (Datum pristupa: 06.04.2020.)
Vancouver
Fruk M, Jatoi MA, Fruk G, Vuković M, Buhin J, Jemrić T. Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'. Agriculturae Conspectus Scientificus [Internet]. 2018 [pristupljeno 06.04.2020.];83(3):219-222. Dostupno na: https://hrcak.srce.hr/205860
IEEE
M. Fruk, M.A. Jatoi, G. Fruk, M. Vuković, J. Buhin i T. Jemrić, "Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. 'Granny Smith'", Agriculturae Conspectus Scientificus, vol.83, br. 3, str. 219-222, 2018. [Online]. Dostupno na: https://hrcak.srce.hr/205860. [Citirano: 06.04.2020.]

Rad u XML formatu

Sažetak
Fruit thinning in apple crop plays a critical role to achieve marketable king size fruits with better fruit quality apples. The thinning experiments were conducted using naphthaleneacetic acid (NAA) at different concentrations (0, 10, 15 and 20 μl·l-1) applied at three timings [full bloom (FBT), fruit (FT) and the combination of both (FBT + FT)] in order to evaluate the optimum level of thinner with best application timing on fruit quality attributes of cv. 'Granny Smith' fruits. Statistically significant differences were found regarding the effect of timing, concentration and combination of both, timing and concentrations, on firmness, soluble solids concentration (SSC) and titratable acidity (TA), while there were no significant differences with addition of timing for SSC/TA ratio, fruit mass and starch degradation level. The highest fruit mass (195.09 g) and TA (0.67%) was achieved using NAA at 20 μl·l-1 in FT time while NAA at 15 μl·l-1 resulted in highest fruit firmness (7.25 kg cm-2), SSC (13.04° Brix) in FBT time. SSC/TA ratio was the highest (25.31) at FT time with the same NAA dosage. However, the highest starch degradation was achieved at FBT + FT time with 15 μl·l-1. It can be concluded that application of 10 μl·l-1 NAA at FBT + FT time is recommended to achieve best results since it favourably affected the most quality parameters.

Ključne riječi
fruit quality; cv. 'Granny Smith'; NAA; productivity; thinning

Hrčak ID: 205860

URI
https://hrcak.srce.hr/205860

Posjeta: 162 *