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Citrus Response to Salinity
|作者:||Nguyen Trinh Nhat Hang|
|摘要:||Citrus is among the most salt sensitive of horticulture crops. Growth and yield of citrus are seriously limited by salinity in many areas worldwide. Salt damage usually manifests as trees physiological disturbances and growth reduction. Factor affecting citrus response to salinity included salinity levels for onset and rate of yield decline in mature trees. The salinity is concerned with the regulation of chloride and sodium concentration in the leaves, stems and roots. The factors underlying changes in leaf gas exchanges parameters, reduction in growth and foliage damage at increasing salinity levels depended on scion-rootstock combination. Foliage damage as leaf burn and defoliation associated with accumulation of excess toxic levels of sodium and chloride in leaf cells. However, this problem can be minimized by using rootstocks that restrict the uptake of these ions. Genetic transformation methods have been applied in citrus to improvement salt-tolerance mechanism.|
|Appears in Collections:||第30卷 第01期|
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