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Effects of Low-Temperature Accumulation on Flowering of Prunus mume
Version 1
: Received: 11 May 2023 / Approved: 11 May 2023 / Online: 11 May 2023 (12:19:19 CEST)
A peer-reviewed article of this Preprint also exists.
Zhang, Y.; Ma, K.; Li, Q. Effects of Low-Temperature Accumulation on Flowering of Prunus mume. Horticulturae 2023, 9, 628. Zhang, Y.; Ma, K.; Li, Q. Effects of Low-Temperature Accumulation on Flowering of Prunus mume. Horticulturae 2023, 9, 628.
Abstract
Low-temperature accumulation is one of the essential stages in the growth process of woody ornamental plants. In this study, two different low-temperature treatments, 6℃ and 10℃, were used to analyze the effects of different low-temperature treatments on dormancy release and flowering of the 'Gulihong' plant using artificial low temperatures. Based on the experimental results, four typical early-blooming Prunus mume cultivars widely planted in Yangling area of Henan Province, China, including 'Zaoyudie', 'Zaohualve', 'Nanjing gongfen', and 'Gulihong', were selected as the experimental materials. The effects of low-temperature accumulation on the flowering characteristics of different cultivars were analyzed using a 6℃ artificial low-temperature treatment. The suitable cultivation temperature for early-blooming P. mume cultivars was screened to provide a theoretical basis for further exploration of P. mume bonsai cultivation techniques. The results showed that the flowering rate, flower diameter, flowering quantity, flowering uniformity, and bud development in the 6℃ treatment were significantly better than those in the 10℃ treatment. The flowering rate and quality of different cultivars gradually increased with the accumulation of low-temperature. Therefore, chill accumulation plays a significant role in promoting flowering quality.
Keywords
Prunus mume, low-temperature, flower period regulation, dormancy release, flowering characteristics
Subject
Biology and Life Sciences, Horticulture
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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