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采用低温种子发芽测试及多年的田间鉴定,选出耐低温、植株长势强、产量高、抗性好的自交系 4个,与早熟、商品性状好、抗病性强的自交系配制 24个杂交组合。经配合力测定,筛选出最佳组合 95- 8,经天津区试及全国各地试种,该品种的早熟性、丰产性、抗病性及商品性状均优于当前保护地生产主栽品种长春密刺, 1999年通过天津市农作物品种审定,定名为津育 1号。
Using low-temperature seed germination test and field identification for many years, 4 inbred lines with low temperature, strong plant growth, high yield and good resistance were selected and inbred lines with good precocity, good commercial characters and high disease resistance were prepared 24 A hybrid combination. According to the determination of combining ability, the best combination of 95- 8 was screened out. The trial of Tianjin district and all over the country showed that the cultivars with early maturity, high yield, disease resistance and commodity traits were better than the current cultivated varieties Changchun Spur, in 1999 through the Tianjin crop varieties validation, named Jin Yu 1.