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以库存不超过2年的本地区部分产地的种批及从辽宁省调入的种批为供试材料,随机地在不同部位抽取52个样品进行发芽试验。试验时每次每个样品取100粒种子放入比重为0.924的酒精溶液中,让其沉浮,捞出上浮粒,统计其数,用下沉粒作常规发芽试验。每个样品重复4次。然后统计发芽数,计算发芽率,以下沉粒和发芽率两项指标建立回归直线方程,并对此方程进行回归分析,最后得到油松种子发芽率计算模式为:y=0.7844x-0.0063±7.5(y:发芽率,x:下沉粒/100粒)经化简为:y=0.8x±7.5为了验证此公式是否能应用于生产,又
In order to test the germplasm of 52 samples randomly collected from different parts of the region and the seed lots transferred from Liaoning Province, which have not been stored for more than 2 years, were used as materials for testing. Test each time each sample taken 100 seeds into the proportion of 0.924 alcohol solution, let its ups and downs, remove the floating particles, statistics, the number of sinking particles for conventional germination test. Repeat 4 times for each sample. Then the number of germination was calculated, the germination rate was calculated, the following regression equation was established by the following two indexes of the granule and the germination rate, and the equation was regressed. The calculation model of the seed germination rate was as follows: y = 0.7844x-0.0063 ± 7.5 (y: germination rate, x: sinking grain / 100 grains) is reduced to: y = 0.8x ± 7.5 In order to verify whether this formula can be applied to production, and