论文部分内容阅读
对鹤望兰 1～ 3年生的苗期株高进行比较频次分布检验 ,正态分布最理想 .鹤望兰苗期优株评选时 ,以株高为因子确定优株的入选率为 :1年生的入选频率为 1.35 % ;2年生的入选频率为 1.85 % ;3年生的入选频率为2 1% .据此选出 1～ 3年生的候选优株 2 3株 ,并制定了鹤望兰 1～ 3年生的优株评选标准
Strains of 1 to 3 years old Strelitzia regia seedling height frequency comparison test, the normal distribution of the best .Wholesale seedling selection, the plant height as a factor to determine the selection rate of superior strains: 1 year Of the selected frequency of 1.35%; 2-year enrollment frequency of 1.85%; 3-year-old selection frequency of 21% .According to selected 1 to 3 years of candidate strains of 23 strains, and the development of Streptomyces 1 ~ 3-year-old excellent strains selection criteria