The early sprouting and mid maturing new mulberry varieties Nongsang 12 and Nongsang 14 were bred through hybridization, single plant selection, pedigree selection and regional test.
通过人工有性杂交、单株选择、系统选择、区试鉴定，育成早生中熟桑树新品种农桑12号、农桑14号。
The behavior of plants in regional test was affected strikingly by plant age and growing status.
苗木的年龄和生长状况对各品种的表现起重要的作用。
In the regional test of Fujian in 2002-2003, the average yield in two years was 2.86% higher than that of Jiahezhaozhan.
该品种高产、米质优、抗性强、后期转色好、抗倒性强，在2002~2003年福建省区试中，两年平均比对照种佳禾早占增产2.86%。
By means of grey system theory, the 1998 ~ 1999 results of Henan province regional test for super high yield wheat varieties were analyzed.
利用灰色系统理论，对1 998 ~ 1 999年河南省超高产小麦良种区试结果进行了分析。
Winter wheat varieties, which were introduced from the regional test of north and middle Hebei province, were evaluated by the rank analysis method.
用秩次分析法，对两个年度参加河北省冬麦区中北部区域试验中的7个冬小麦新品系(种)进行了综合评价。
Mathematical method of DTOPSIS and its application in assessing new crop varieties was described with a set of data from regional test of soybean in Henan province.
介绍了DTOPSIS法的基本原理和方法，并以大豆区试资料为例探讨了DTOPSIS法在农作物新品种综合评价中的应用。
According to the principle of situation sequent for four-element connection number, analysis method of multifactor situation sequent in variety regional test was put forward.
依据四元联系数态势排序原理，提出了作物品种区域试验多因素态势排序分析方法。
The paper primary explored the method of summarizing and valuing crop varieties′ stability using DTOPSIS with sweet potato regional test in Jiangsu province in 1998 as example.
以1998年江苏省甘薯品种区试材料为例，初步探讨了DTOPSIS法综合评价农作物品种稳定性的方法和步骤。
The paper primary explored the method of summarizing and valuing crop varieties′ stability using DTOPSIS with sweet potato regional test in Jiangsu province in 1998 as example.
以1998年江苏省甘薯品种区试材料为例，初步探讨了DTOPSIS法综合评价农作物品种稳定性的方法和步骤。
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