Yeast extract (100 and 200 mill) and GA" (20 and 40 ppm) were fol'ar sprayed on Thompson Seedless and Roumi Red grape cultiva-s The treatments were done before lIowering (2nOweek of April) and at full bloom (1" week of May). Fruit set (%) and number or c1usterslvine of both cultivars were increased significantly. In addiUon. yield was increased as a result of cluster weight, length and berries weig t. Number of berries/cluster also improved significantly by yeast extract + GA" and yeast extrac; treatment alone for "Thompson Seedless" and "Roumi Red'. respectively. I
All treatments increased jdce ~ '''~ntage of "Thompson Seedless' bernes, however, juice content of 'Roum; Red'. :;(.;:~cle solids contenl (SSe), Sse/acid ratio and total sugars were increased while acidily decreased significantly for both cultivafs. The combination of yeast extract "'; 1 00 mill and GA" at 40 ppm IS recommended or improving yield and fruit quality of Thompson Seedless and Roumi Red grape cullivars.
Ismaeil,, F., Wahdan, M., & EI-Sheikh, A. (2003). RESPONSE OF THOMPSON SEEDLESS AND ROUMI RED GRAPE CULTIVARS TO FOLIAR SPRAYS WITH YEAST EXTRACT AND GA3. Journal of Plant Production, 28(8), 6321-6334. doi: 10.21608/jpp.2003.244804
MLA
Faten H.M. Ismaeil,; M. T. Wahdan; A. F. EI-Sheikh. "RESPONSE OF THOMPSON SEEDLESS AND ROUMI RED GRAPE CULTIVARS TO FOLIAR SPRAYS WITH YEAST EXTRACT AND GA3", Journal of Plant Production, 28, 8, 2003, 6321-6334. doi: 10.21608/jpp.2003.244804
HARVARD
Ismaeil,, F., Wahdan, M., EI-Sheikh, A. (2003). 'RESPONSE OF THOMPSON SEEDLESS AND ROUMI RED GRAPE CULTIVARS TO FOLIAR SPRAYS WITH YEAST EXTRACT AND GA3', Journal of Plant Production, 28(8), pp. 6321-6334. doi: 10.21608/jpp.2003.244804
VANCOUVER
Ismaeil,, F., Wahdan, M., EI-Sheikh, A. RESPONSE OF THOMPSON SEEDLESS AND ROUMI RED GRAPE CULTIVARS TO FOLIAR SPRAYS WITH YEAST EXTRACT AND GA3. Journal of Plant Production, 2003; 28(8): 6321-6334. doi: 10.21608/jpp.2003.244804
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