Influences of Two Plant Growth Regulators on the Fruit Quality of the 'Crimson Seedless' Grapes
文献类型: 外文期刊
作者: Li, Lan;Yan, Weijiao;Yao, Huidong;Li, Hui;Guo, Xizhi;Cheng, Dawei;Sun, Junli;Chen, Jinyong
作者机构:
关键词: Crimson Seedless' grape;Plant growth regulator;Fruit quality;Berry weight
期刊名称: JOURNAL OF PLANT GROWTH REGULATION
ISSN: 0721-7595
年卷期: 2022 年
页码:
收录情况: SCIE(2022版)
摘要: The color and berry size of 'Crimson Seedless' play vital role in their marketability. In the present study, eight-year-old 'Crimson Seedless' was used as the experimental material to investigate the effect of plant growth regulators on the fruit weight, quality and color. Several dilutions of Pro-Gibb (20% gibberellic acid (A(3))) and Promalin (1.8% 6-BA & 1.8% gibberellic acid (A(4) + A(7))) were applied to the 'Crimson Seedless' plants during the swelling period, and the results showed that the cluster weight and berry weight were significantly increased by 46.77% and 20.64% respectively when treated with 6000 times diluted solution of Promalin. Except for application of 15,000 times diluted solution of Pro-Gibb, 4000 times and 5000 times diluted solution of Promalin, there were no significant differences between control and other treatments in soluble solid content (SSC). The titratable acid content (TA) of the berries was also significantly reduced under various treatments of plant growth regulators. The Vc content of the berries under T2 treatment increased up to 6.40 mg/100 g compared with the control. The color of berries with 20,000 times diluted solution of Pro-Gibb treatment was pink, and the color of berry with other treatments was red. In conclusion, application of 6000 times diluted solution of Promalin improved fruit quality, texture and berry weight more effectively compared with other applied treatments. Overall, the results of the present study showed that optimized doses of the plant growth regulators could significantly improve the 'Crimson Seedless' fruit quality.
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