Owner of Mandurang Valley Winery, Wes Vine, expects to produce about 2500 cases of wine this year, after frosts destroyed his 2007 crop.
He said last week’s heatwave had spoilt an otherwise perfect growing season.
‘‘This season had excellent potential, but I think the hot weather of the last week has pushed the fruit along too quickly,’’ he said.
‘‘When you get heat like this you can’t get water into grape vines quick enough because the transpiration rate through the leaf is faster than the plants intake through the root.’’ Mr Vine said the heat caused the grapes to shrink and shrivel.
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