Three-way crossing by the late Dr Helmut Becker with Germany's Müller-Thurgau, France's madeleine angevine and Italy's calabrese, also planted in England and New Zealand.
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Three-way crossing by the late Dr Helmut Becker with Germany's Müller-Thurgau, France's madeleine angevine and Italy's calabrese, also planted in England and New Zealand.
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