Application of NAA and BA in chemical thinning of some commercial cultivars of apple
2015
Šebek, Gordana (Biotechnical faculty, Podgorica (Montenegro))
This paper presents the fruit thinning response of some commercial apple cultivars to NAA and BA plant regulators. The experiment was designed to evaluate NAA applied separately at three concentrations – 13.2 ppm, 17.82 ppm and 26.73 ppm, and BA + NAA combinations (BA - 60 ppm, 100 ppm, 120 ppm or 140 ppm + NAA 4.29 ppm) for thinning the assessed apple cultivars. All treatments with NAA and BA + NAA adequately thinned ‘McIntosh’ and ‘Jonathan’, whereas the application of NAA 17.82 ppm and 26.73 ppm and the combined treatment BA 140 ppm+ NAA 4.29 ppm were effective fruit thinners for ‘Prima’. In terms of the average fruit weight, number of fruits categorized as large (> 75 mm or > 65 mm), and number of fruit per trunk cross-sectional area, the treatment BA 140 ppm + NAA 4.29 ppm was most effective on ‘McIntosh’ and ‘Prima’, whereas BA 100 ppm + NAA 4.29 ppm had the best effect on ‘Jonathan’.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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