scholarly journals Erratum to: Simple and accurate allometric model for leaf area estimation in Vitis vinifera L. genotypes

2015 ◽  
Author(s):  
D. Buttaro ◽  
Y. Rouphael ◽  
C. M. Rivera ◽  
G. Colla ◽  
M. Gonnella
Keyword(s):  
Vitis Vinifera ◽  
Leaf Area ◽  
Vitis Vinifera L ◽  
Allometric Model ◽  
Area Estimation

Simple and accurate allometric model for leaf area estimation in Vitis vinifera L. genotypes

2015 ◽  
Vol 53 (3) ◽  
pp. 342-348 ◽  
Author(s):  
D. Buttaro ◽  
Y. Rouphael ◽  
C. M. Rivera ◽  
G. Colla ◽  
M. Gonnella
Keyword(s):  
Vitis Vinifera ◽  
Leaf Area ◽  
Vitis Vinifera L ◽  
Allometric Model ◽  
Area Estimation

scholarly journals Effects of Natural Hail on the Growth, Physiological Characteristics, Yield, and Quality of Vitis vinifera L. cv. Thompson Seedless under Mediterranean Growing Conditions

Agronomy ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 197 ◽  
Author(s):  
Despoina G. Petoumenou ◽  
Katerina Biniari ◽  
Efstratios Xyrafis ◽  
Dimitrios Mavronasios ◽  
Ioannis Daskalakis ◽  
...  
Keyword(s):  
Vitis Vinifera ◽  
Leaf Area ◽  
Leaf Gas Exchange ◽  
Natural Phenomenon ◽  
Vitis Vinifera L ◽  
Thompson Seedless ◽  
Berry Quality ◽  
Soluble Solid ◽  
Growing Conditions ◽  
Grape Varieties

Hailstorms are typically localized events, and very little is known about their effect on crops. The objective of this study was to examine the physiological and vine performance responses to natural hail, registered four weeks after full bloom, of field-grown Thompson seedless (Vitis vinifera L.) grapevines, one of the most important table grape varieties cultivated in Greece and especially in the Corinthian region in northeastern Peloponnese. Leaf gas exchange, vegetative growth, vine balance indices, cane wood reserves, yield components, and fruit chemical composition were recorded from hail-damaged vines and compared with control vines. Visibly, the extent of the hailstorm damage was great enough to injure or remove leaves as well as cause partial stem bruising and partial injury or total cracking of berries. Our results indicated that natural hail did not affect leaf photosynthesis, berry weight, total acidity, and cane wood reserves but significantly reduced the total leaf area, yield, and the total phenolics of berries at harvest. At the same time, hail-damaged vines increased the leaf area of lateral canes and presented a higher total soluble solid (TSS) accumulation, while no effect on the next year’s fertility was registered. The present work is the first attempt to enhance our understanding of the vegetative yield, berry quality, and physiological responses of grapevines to natural hail, which is an extreme and complex natural phenomenon that is likely to increase due to climate change.

scholarly journals The Beneficial Effects of Biofertilizers for `Red Roomy' Grapevines (Vitis vinifera L.): 1. The Effect of Growth and Nutritional Status

HortScience ◽  
1997 ◽  
Vol 32 (3) ◽  
pp. 487C-487
Author(s):  
F.F. Ahmed ◽  
A.M. Akl ◽  
F.M. El-Morsy ◽  
M.A. Ragab
Keyword(s):  
Nutritional Status ◽  
Vitis Vinifera ◽  
Leaf Area ◽  
Great Increase ◽  
Shoot Length ◽  
Vitis Vinifera L ◽  
Beneficial Effects ◽  
Active Dry Yeast

Four biofertilizers (active dry yeast, phosphorene, rhizobacterium, and nitrobein) were used to fertilize `Red Roomy' grapevines. Growth and nutritional status of the vines as affected by such fertilizers during 1995 and 1996 were studied. Results showed that fertilizing the vine with all biofertilizers caused a material improvement in shoot length, leaf area, and cane thickness, and effectively enhance the nutritional status of the vines. The favorable effects of such fertilizers were in the following descending order: phosphorene, rhizobacterium, nitrobein, and active dry yeast. A great increase on growth and nutritional status of `Red Roomy' grapevines occurred as a result of supplying the vines with phosphorene or rhizobacterium as good, new biofertilizers.

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