Influences of Two Plant Growth Regulators on the Fruit Quality of the 'Crimson Seedless' Grapes

文献类型： 外文期刊

第一作者： Li, Lan

作者： Li, Lan;Yan, Weijiao;Guo, Xizhi;Cheng, Dawei;Chen, Jinyong;Yao, Huidong;Li, Hui;Sun, Junli

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 （ 影响因子：4.64； 五年影响因子：4.469 ）

ISSN： 0721-7595

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收录情况： SCI

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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