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Abdel Hameed M. Wassel

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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Larry E. Williams

A study was conducted to determine the effects of crop removal on gas exchange parameters of `Thompson Seedless' grapevines grown in the San Joaquin Valley of California. Vines were either irrigated at full ET or not irrigated throughout the growing season. Clusters were removed subsequent to veraison, when the fruit soluble solids were ≈15° Brix. Reductions in leaf net CO2 assimilation rate (A) were measured within 1 day of fruit removal for both irrigation treatments and remained such until the end of the experiment. The greatest reduction in A due to crop removal on a diurnal basis was with the non-irrigated vines between 0800 and 1000 hr. The reduction in A subsequent to crop removal was not the result of an accumulation of either starch or sugars in leaf tissue. The greater reduction in A of non-irrigated vines after fruit removal may have been due to the lack of strong, alternate sinks as vegetative growth was minimal due to water stress during the experimental period.

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Krista C. Shellie

New vineyard regions are being tested and established throughout North America in climatic zones once considered marginal or unsuitable for growing grapes of European origin ( Vitis vinifera ) for wine production ( Evans et al., 2005 ; Hamman, 1993

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Julie M. Tarara and Jorge E. Perez Peña

. Springer, New York, NY de Souza, C.R. Maroco, J.P. dos Santos, T.P. Rodrigues, M.L. Lopes, C.M. Pereira, J.S. Chaves, M.M. 2003 Partial rootzone drying: Regulation of stomatal aperture and carbon assimilation in field-grown grapevines ( Vitis vinifera cv

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Kazuya Koyama and Nami Goto-Yamamoto

Analysis of the expression of anthocyanin pathway genes in developing Vitis vinifera L. cv Shiraz grape berries and the implications for pathway regulation Plant Physiol. 111 1059 1066 Castellarin, S.D. Gaspero, G

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Bryan Hed and Michela Centinari

composition of Tempranillo grapes Amer. J. Enol. Viticult. 63 367 376 Diago, M.P. Vilanova, M. Tardaguila, J. 2010 Effects of timing of manual and mechanical early defoliation on the aroma of Vitis vinifera L. Tempranillo wine Amer. J. Enol. Viticult. 61 382

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Bhaskar Bondada and Markus Keller

histochemical changes in grape seeds from Vitis vinifera L. cv Cabernet franc during fruit development J. Agr. Food Chem. 54 9206 9215 Castellarin, S.D. Gambetta, G.A. Wada, W. Shackel, K.A. Matthews, M.A. 2011 Fruit ripening in Vitis vinifera

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Alison L. Reeve, Patricia A. Skinkis, Amanda J. Vance, Jungmin Lee and Julie M. Tarara

Celette, F. Wery, J. Chantelot, E. Celette, J. Gary, C. 2005 Belowground interactions in a vine ( Vitis vinifera L.)-tall fescue ( Festuca arundinacea Shreb.) intercropping system: Water relations and growth Plant Soil 276 205 217 Celette, F. Gaudin, R

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Xia Ye, Xianbo Zheng, Dehua Zhai, Wen Song, Bin Tan, Jidong Li and Jiancan Feng

and in storage. Ethylene production rates in ( A ) rachis of Vitis vinifera ‘Thompson Seedless’ during berry development, ( B ) rachis of V. vinifera ‘Thompson Seedless’ in storage, ( C ) rachis of V. vinifera ‘Ruby Seedless’ during berry

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James M. Meyers, Gavin L. Sacks and Justine E. Vanden Heuvel

‘Muscat of Frontignan’ ( Vitis vinifera ) ( Bureau et al., 2000 ). The behavior of volatile phenol glycosides in response to shading is not as well studied, yet no consistent trend is apparent ( Bureau et al., 2000 ). However, other nonodorous phenolics