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Application of paclobutrazol and Promalin (GA 4 + 7 + BAP) in the training of ‘Bing’ sweet cherry trees

Year: 1989

Type: article

Abstract: A joint application of paclobutrazol to soil and Promalin paint to branches before the second growth season combined paclobutrazol flower spur induction and Promalin branching effects to produce compact and well‐branched ‘Bing’ sweet cherry trees. Paclobutrazol and paclobutrazol + Promalin advanced bloom date by 6–7 days, and delayed harvest by about 4 days as compared with other treatments. The effect of Promalin combined with paclobutrazol persisted for over one year, improving fruit set compared with trees treated with paclobutrazol only and also producing the greatest rate of fruit growth up to 24 days after anthesis. The heaviest fruit was produced by application of paclobutrazol, followed by paclobutrazol+Promalin, control, and Promalin trees. In the third year after planting, trees treated with paclobutrazol+Promalin yielded 4.4 kg of cherries whereas trees treated with Promalin or paclobutrazol and control trees yielded 2.2, 1.8, and 2.0 kg, respectively.

Source: New Zealand Journal of Crop and Horticultural Science

DOI: 10.1080/01140671.1989.10428008

Authors: T. Jacyna, D. E. S. Wood, S. M. Trappitt

Institution: Massey University

Language: English

Topic: Plant Physiology and Cultivation Studies

Subfield: Plant Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: bronze

Funder: Abbott Laboratories