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regional test
相关语句
  区域试验
    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。
短句来源
    Taking the data of wheat variety regional test for high-yield group in He′nan in 1999~2000 for example,the concrete application of the method was introduced.
    并以 1999~ 2 0 0 0年度河南省小麦高肥冬水组区域试验资料为例 ,介绍了这种分析方法的具体应用。
短句来源
    Based on this,the problems in relation to the application of analysis method of situation sequent of four-element connection number for variety regional test were discussed.
    在此基础上 ,讨论了品种区域试验四元联系数态势排序分析应用中的有关问题。 表 4 ,参 7。
短句来源
  区试
    Analysis method of multifactor situation sequent for four-element connection number in variety regional test
    品种区试的四元联系数多因素态势排序分析法
短句来源
  区域试验
    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。
短句来源
    Taking the data of wheat variety regional test for high-yield group in He′nan in 1999~2000 for example,the concrete application of the method was introduced.
    并以 1999~ 2 0 0 0年度河南省小麦高肥冬水组区域试验资料为例 ,介绍了这种分析方法的具体应用。
短句来源
    Based on this,the problems in relation to the application of analysis method of situation sequent of four-element connection number for variety regional test were discussed.
    在此基础上 ,讨论了品种区域试验四元联系数态势排序分析应用中的有关问题。 表 4 ,参 7。
短句来源
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  regional test
A regional test of the ricardian theory of comparative advantage
      
Factor prices, factor proportions, and factor endowments in the pacific northwest: a regional test of the Heckscher-Ohlin theore
      
crassa cytoplasm proved the best in production test, demonstration and regional test axtd was consequently pre-approved for large-scale plantation.
      


Five wheat varieties have been released between 1980 and 1990,these varieties possess early maturity, high yield,good quality,disease resistance and wide adaptability. They have been cultivated on 373 330 ha. A lot of new lines joined regional test and productive test in Heilongjiang provence. Some of them are proved to be very valuable germplasm for cross breeding. Technique of induced wheat mutation have been studied. Since selecting adaptable irradiation conditions,using combination of radiation...

Five wheat varieties have been released between 1980 and 1990,these varieties possess early maturity, high yield,good quality,disease resistance and wide adaptability. They have been cultivated on 373 330 ha. A lot of new lines joined regional test and productive test in Heilongjiang provence. Some of them are proved to be very valuable germplasm for cross breeding. Technique of induced wheat mutation have been studied. Since selecting adaptable irradiation conditions,using combination of radiation with hybridization, irradiating male gamete, female gamete and zygote, soaking treatment with KH232PO4, etc. , therefore the efficiency of induced mutation have been increased. By combination of radiation with distant hybridization, F0 unfruitfulness and F1 sterility have been overcome,and 21 wheat-rye translocation lines have been selected. One of them, 6BS/6RL translocation line, which is called Longfumai No. 4, was released in 1987. The procedure of inducting and identifying translocation lines has been raised already. Mature embryos,anthers and young embryos of wheat were irradiated and inoculated as explants. The rude toxin of Bipoloris sorokiniana , as a screening factor, was added to different medi and finally 3 lines with resistance to Bipoloris sorokiniana were selected. It was established that technical system for in-vitro radiation induced mutation and screening wheat mutants of resistance to disease. The biochemical indentifying methods for mutants have been studied already.

1980~1990年选育推广了5个小麦新品种,这些品种具有早熟、高产、质佳、抗病和适应性强的特点,种植面积373330公顷,取得了明显的经济效益和杜会效益。一批新品系正在参加省区域试验和生产试验。开展的诱变技术研究中,通过控制辐射条件、辐射与杂交相结合、照射雌雄配子和合子以及~(32)P浸渍处理等,提高了诱变效率。利用辐射与远缘杂交结合的方法,克服了杂交的不亲和性和F_1的不孕性,成功地选出了21个有利用价值的小麦-黑麦易位系,并提出了诱发和鉴定易位系的程序。辐射诱变与生物技术相结合的研究取得了较大进展,通过离体诱变和毒素筛选,获得了3个抗根腐病突变体,初步建立了离体诱变和抗病性筛选的技术体系。研究了突变体的生化鉴定方法,加快了筛选速度和育种进程。

Five wheat varieties have been released between 1980 and 1990,these varieties possess early maturity, high yield,good quality,disease resistance and wide adaptability. They have been cultivated on 373330 ha. A lot of new lines joined regional test and productive test in Heilongjiang province. Some of them are proved to be very valuable germplasm for cross breeding. Technique of induced wheat mutation have been studied. Since selecting adaptable irradiation conditions , using combination of radiation...

Five wheat varieties have been released between 1980 and 1990,these varieties possess early maturity, high yield,good quality,disease resistance and wide adaptability. They have been cultivated on 373330 ha. A lot of new lines joined regional test and productive test in Heilongjiang province. Some of them are proved to be very valuable germplasm for cross breeding. Technique of induced wheat mutation have been studied. Since selecting adaptable irradiation conditions , using combination of radiation with hybridization, irradiating male gamete, female gamete and zygote,soaking treatment with KH232PO4,etc. , therefore the efficiency of induced mutation have been increased. By combination of radiation with distant hybridization, F0 unfruitfulness and F1 sterility have been overcome, and 21 wheat-rye translocation lines have been selected. One of them,6BS/6RL translocation line, which is called Longfumai No. 4, was released in 1987. The procedure of inducting and identifying translocation lines has been raised already. Mature embryos,anthers and young embryos of wheat were irradiated and inoculated as explants. The rude toxin of Bipolaris sarokiniana , as a screening factor, was added to different medi and finally 3 lines with resistance to Bipoloris sorokiniana were selected. It was established that technical system for in-vitro radiation induced mutation and screening wheat mutants of resistance to disease. The biochemical indentifying methods for mutants have been studied already.

1980~1990年选育推广了5个小麦新品种,这些品种具有早熟、高产、质佳、抗病和适应性强的特点,种植面积373330公顷,取得了明显的经济效益和社会效益。一批新品系正在参加省区域试验和生产试验。开展的诱变技术研究中,通过控制辐射条件、辐射与杂交相结合、照射雌雄配子和合子以及~(32)P浸渍处理等,提高了诱变效率。利用辐射与远缘杂交结合的方法,克服了杂交的不亲和性和F_1的不孕性,成功地选出了21个有利用价值的小麦-黑麦易位系,并提出了诱发和鉴定易位系的程序。辐射诱变与生物技术相结合的研究取得了较大进展,通过离体诱变和毒素筛选,获得了3个抗根腐病突变体,初步建立了离体诱变和抗病性筛选的技术体系。研究了突变体的生化鉴定方法,加快了筛选速度和育种进程。

The present paper proposes that quantitative classification be calculated with the median M’oflarge sample CV values from all yearly varietal regional tests as the origin point of the populationnormal distribution after deriving the theoratical value of standard deviation S’by screening suitablesmall probability. With this modification,no negative values appear and the coverage iS broadened,thus making the method more reasonable and suitable in application and increasing the accuracy inthe evaluation...

The present paper proposes that quantitative classification be calculated with the median M’oflarge sample CV values from all yearly varietal regional tests as the origin point of the populationnormal distribution after deriving the theoratical value of standard deviation S’by screening suitablesmall probability. With this modification,no negative values appear and the coverage iS broadened,thus making the method more reasonable and suitable in application and increasing the accuracy inthe evaluation of the cultivars’scores in regional tests.

本文建议以历届区试品种CV值大样本中点值M’为总体正态分布原点,选用适宜小概率,导出标准差理论值S’后,再进行数量分类计算。经此改进后,既不出现负值,且覆盖面广,更合理适用,可进一步提高区试品种评定分类的正确性。

 
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