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在黑龙江气候条件下,过去葡萄采用一般的育种程序和方法,杂种实生苗最早的在5年生开始结果,大部分在7年生才开始结果。
In Heilongjiang climatic conditions, the past grapes using general breeding programs and methods, the earliest hybrid seedlings at the beginning of the 5-year results, most of the results in 7 years before starting.