Effects of trunk girdling at full bloom stage on berry enlargement in 'Shine Muscat' grapes
2019
Udo, Y. (Yamanashi Fruit Experiment Station, Yamanashi (Japan)) | Satoyoshi, Y. | Kobayashi, K.
In the grape 'Shine Muscat', the effect of full bloom stage trunk girdling on fruit quality was investigated. 1. In full bloom stage trunk girdling, a berry hypertrophic effect of 3 g was observed. 2. With the promotion of hypertrophy of the berries, the fruit bunches in the trunk girdling treatment group had somewhat lower sugar content as compared to that of the control group, but maintained no less than 18° Brix, so there was no problem with the taste. 3. During the examination period of 4 years from the initial crop, berry weight increased with each year that berry hypertrophic effect due to trunk girdling was observed.
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