The presence of sinks, both vegetative and reproductive, modifies the water relations of grapevines. The sinks enhance dehydration, induce a stable water potential at midday, and a slower rehydration. Transpiration rate is very little affected, but because of different leaf area water loss by transpiration is strongly dependent on the type and activity of sinks.
Studies on water relations of grapevine (Vitis vinifera). Effects of sinks on leaf water potential and transpiration in non limiting conditions
PONCHIA, GIORGIO;PITACCO, ANDREA
1985
Abstract
The presence of sinks, both vegetative and reproductive, modifies the water relations of grapevines. The sinks enhance dehydration, induce a stable water potential at midday, and a slower rehydration. Transpiration rate is very little affected, but because of different leaf area water loss by transpiration is strongly dependent on the type and activity of sinks.File in questo prodotto:
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