昆明学院学报
昆明學院學報
곤명학원학보
JOURNAL OF KUNMING UNIVERSITY
2011年
3期
98-101
,共4页
粳稻%杂交组合%农艺性状%品质分析
粳稻%雜交組閤%農藝性狀%品質分析
갱도%잡교조합%농예성상%품질분석
paddy%cross combination%agronomical properties%quality
利用前期选育的13个不育系与7个恢复系设计42个杂交组合,种植在昆明市富民县散旦乡的农户试验田里,进行完全随机组合重复试验.考察杂交组合的农艺性状,进行组与组之间的结果分析评价.结果表明,对单株产量贡献最大的性状依次为每穗实粒数、单株有效穗、千粒重和结实率.每穗实粒数的一般配合力最高,所配组合的产量及实粒数也较高.有些组合的千粒重较高,达到了25 g以上.结实率的变幅为0.96%~87.25%之间,平均值为50.0%左右;其中以B7-16和S4杂交组合V-117型的结实率最大,为87.25%,表现出较高的恢复度.42个组合的平均产量为10 499.85 kg/hm2,产量总体偏低.但组合V-94和V-116最为突出,产量分别为31 243.50 kg/hm2和21 520.50 kg/hm2,达到超级产量水平.
利用前期選育的13箇不育繫與7箇恢複繫設計42箇雜交組閤,種植在昆明市富民縣散旦鄉的農戶試驗田裏,進行完全隨機組閤重複試驗.攷察雜交組閤的農藝性狀,進行組與組之間的結果分析評價.結果錶明,對單株產量貢獻最大的性狀依次為每穗實粒數、單株有效穗、韆粒重和結實率.每穗實粒數的一般配閤力最高,所配組閤的產量及實粒數也較高.有些組閤的韆粒重較高,達到瞭25 g以上.結實率的變幅為0.96%~87.25%之間,平均值為50.0%左右;其中以B7-16和S4雜交組閤V-117型的結實率最大,為87.25%,錶現齣較高的恢複度.42箇組閤的平均產量為10 499.85 kg/hm2,產量總體偏低.但組閤V-94和V-116最為突齣,產量分彆為31 243.50 kg/hm2和21 520.50 kg/hm2,達到超級產量水平.
이용전기선육적13개불육계여7개회복계설계42개잡교조합,충식재곤명시부민현산단향적농호시험전리,진행완전수궤조합중복시험.고찰잡교조합적농예성상,진행조여조지간적결과분석평개.결과표명,대단주산량공헌최대적성상의차위매수실립수、단주유효수、천립중화결실솔.매수실립수적일반배합력최고,소배조합적산량급실립수야교고.유사조합적천립중교고,체도료25 g이상.결실솔적변폭위0.96%~87.25%지간,평균치위50.0%좌우;기중이B7-16화S4잡교조합V-117형적결실솔최대,위87.25%,표현출교고적회복도.42개조합적평균산량위10 499.85 kg/hm2,산량총체편저.단조합V-94화V-116최위돌출,산량분별위31 243.50 kg/hm2화21 520.50 kg/hm2,체도초급산량수평.
42 hybrid combinations from 13 maintainer lines and 7 restorers were planted in the test fields in Fumin county of Kunming city,conducting complete random combination repeating experiments.Cross combinations of agronomical characters were investigated and related analysis on the results among these groups was estimated.The results showed that of all the agronomical traits the greatest contribution for individual grain to the yield was in turn grain number per panicle,productive panicles per plant,1000-grain weight and effective setting percentage.General combining ability of grain number per panicle was the best with the highest yield and most grain number.Some combination of 1000-grain weight is much higher,reaching 25g above.Setting percentage varied from 0.96% to 87.25% with an average of around 50.0%;among them the hybrid combination V-117 from B7-16 and S4 presented the biggest seed setting percentage of 87.25%,showing a higher restore degree.The average yield for 42 hybrid combinations was 10499.85kg/hm2,but the combination of V-94 and V-116 presented the most outstanding yield of 31243.50kg/hm2and 21520.50kg/hm2,respectively,reaching the super yield levels.