Aftereffect of the use of gibberellin on table grape cultivars
2021
Штирбу, A. | Сивак, H.
The aftereffect of the use of gibberellin (GА3) on the maturation of canes and the yield of table grape cultivars was studied. Based on the results of the laboratory-field experiment, the influence of the cultivar and the use of GА3 on the accumulation of soluble sugars and starch in shoots in the period after the end of the growing season was established. The effect of the mutual influence of the cultivar and the use of GА3 is manifested only for the total carbohydrate content in annual shoots. The use of GА3 does not have a negative effect on the cane’s maturation processes of the cultivars “Flora”, “Talisman” and “Kishmish luchistyi”, increases the content of soluble sugars in the shoots by 0.6-1.6%, starch – by 0.5-0.8%, their sum – by 1.0-2.2%. The use of GА3 by the method of local spraying of inflorescences does not have a negative aftereffect on the indicators of plant yield after three years of use of the growth regulator.
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