Effect of Dormex on `Roomy Red' Grape Vines (Vitis vinifera L.)

in HortScience
Abdel Hameed M. WasselFaculty of Agriculture, Minia Univ., Minia, Egypt

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The present investigation was carried out during 1994 and 1995 seasons on `Roomy Red' grape vines cultivated in Minia and Beni Suef governates to study the effect of Dormex and/or overcropping on `Roomy Red' grape vines. Bud opening, number of clusters per vine, as well as the yield and its physical and chemical properties, were studied. Results indicated that Dormex overcame the irregularity of bud opening. At the same time, bud opening preceded the control by about 4 weeks. The percentage of bud opening, fruit set, as well as the number of clusters per vine, were increased. On the other hand, over-cropping had a vice versa effect on the previous parameters as compared with the control. Results also indicated that onion was of less effect than berseem in this concern.

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