Actinidia deliciosa (Chev.) is claimed to be a water consumptive specie, very sentitive to excessive water loss due to high irradiation, windspeed and low hygrometry. Orchards are grown in Italy paying much attention to water supply even in areas where rainfall is plentiful and well distributed. Despite this situation, few reports are yet available on the gas-exchange characteristics of this plant and its responses to environmental factors. In this work, attention has been focused on the effect of water vapour pressure deficit on leaf photosynthesis. Kiwi leaves proved to be very sensitive to excessive water loss due to low hygrometry and high temperature. Appropriate cultural practices to avoid this risk are briefly discussed.
Gas exchange parameters and photosynthetic performance of kiwi leaves
PITACCO, ANDREA;GIULIVO, CLAUDIO
1990
Abstract
Actinidia deliciosa (Chev.) is claimed to be a water consumptive specie, very sentitive to excessive water loss due to high irradiation, windspeed and low hygrometry. Orchards are grown in Italy paying much attention to water supply even in areas where rainfall is plentiful and well distributed. Despite this situation, few reports are yet available on the gas-exchange characteristics of this plant and its responses to environmental factors. In this work, attention has been focused on the effect of water vapour pressure deficit on leaf photosynthesis. Kiwi leaves proved to be very sensitive to excessive water loss due to low hygrometry and high temperature. Appropriate cultural practices to avoid this risk are briefly discussed.
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