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The possibility of breeding grapevines tolerant of salinity in the rootzone is an exciting prospect for Australian viticulture.
Most vineyards in the Murray Valley of Southeastern Australia are irrigated with water which has sodium and chloride as major ions. Grapevines are sensitive to chloride (5) and physiological disturbances occur at leaf chloride concentrations too low to produce visible symptoms of toxicity (26).
The chloride status of the grapevine can be an important factor in vine health and production (28).
Certain cultivars, when used as rootstocks, restrict the accumulation of chloride in leaves of scions (6,8,23), u.e. they exclude chloride and as such protect scions from the harmful effects of high leaf chloride concentrations.
Variation on chloride accumulation by hybrid vines from crosses involving the cultivars ramsey, Villard blanc and sultana
1985, American journal of enology and Viticulture, vol 36, issue 1, pages 30-37
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