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通过重病区,人工病圃和添菌液水培等小区试验并大面积中试,选出具有抗青枯病性较强、叶质优,产量高的杂交组合桑抗1号、桑抗4号2个品种。
Through the heavy ward, artificial nursery and Tim hydroponic culture plot test and a large area pilot plant, selected with a strong resistance to bacterial wilt, leaf quality, high yield hybrid combinations Sang Kang 1, Sang 4 No. 2 varieties.