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“84-265”是湖南农学院遗传学教研室用He-Ne激光辐照迟熟早(禾山)“湘矮早9号”诱发的突变株经5代选育定型的抗病、高产、优质中熟早(禾山)新品系。1987年进入省区试鉴定,17个点平均亩产433.6公斤,比对照一“浙辐802”略增产,比对照二“湘早(禾山)4号”增产4.5％。1988年续试,15个点平均亩产466.8公斤,比对照一“浙辐802”增产9.6％,达极显著水平,比对照二“湘早(禾山)4号”增产4.6％,达显著水平。
“84-265” is a disease-resistant, high-yield, high-quality, high-quality and high-quality mutant strain induced by He-Ne laser irradiation in late maturity (Heshan) “Xiang-dian-zao 9” Mature early (Wo Shan) new lines. In 1987, it entered the provincial trial test, and the average yield per mu at 17 points was 433.6 kilograms, a slight increase over the control “Zhefu 802”, a 4.5% increase over the control “Xiangzao (Heshan) No.4”. In 1988, the average yield per mu at 15 points was 466.8 kg, an increase of 9.6% over the control “Zhefu 802”, reaching an extremely significant level, which was significantly higher than that of control “Xiangzao (Heshan) No.4” Level.