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玉米突破性新杂交种———成单１９玉米突破性新杂交种成单１９由四川省农业科学院作物所于１９９４年育成。该杂交种是“九五”更换对照种为川单９号、成单１４号后，第一个达到突破性杂交种产量指标的新育成种。该杂交种较现有推广种有以下几个突出特点：一、丰产性突出...
New groundbreaking corn hybrids --- into a single 19 New groundbreaking corn hybrids into a single 19 by the Sichuan Academy of Agricultural Sciences crop bred in 1994. This hybrid was the first breeding new breed that reached the yield index of groundbreaking hybrids after the 9th Five-Year Plan was replaced by Chuan Dan 9 as a single control. The hybrid varieties than the existing promotion has the following salient features: First, the high yield of outstanding ...