甘蓝型油菜抗裂角种质筛选及其相关性状分析
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摘要
利用随机碰撞测试方法,对1 136份自交纯合的甘蓝型油菜种质资源和62份甘蓝型油菜隐性核不育系进行了抗裂角的测定。抗裂角性状在1 136份测定的种质资源中存在着广泛变异,变异系数高达246.9%,仅筛选出1份抗裂角的品系,占0.09%;2份较抗裂角品系,占0.18%;而极易裂角有1 087份,占95.68%。在62份甘蓝型油菜隐性核不育系抗裂角鉴定中,极易裂角的不育系有46份,占74.19%;较抗裂角不育系2份,占3.23%;抗裂角不育系1份,占1.61%。通过对13份甘蓝型油菜隐性核不育系进行不育株角果及其对应的可育株角果抗裂角指数比较,从材料选择上优化了不育系抗裂角性鉴定。简单相关分析显示,抗裂角指数与结角密度、角果宽、皮壳率和籽粒密度不相关,与角果长、角果长宽比、果柄长、果喙长、角果重、角果皮重、角粒数和角粒重间均呈极显著正相关,与角果重相关系数最大(r=0.229 4**),其次是与角果皮重间(r=0.217 1**),说明角果及角果皮重显著影响油菜的抗裂角性,角果重和角果皮重等可以作为筛选抗裂角油菜种质的形态指标。
引文
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[13]唐启义.DPS数据处理系统:实验设计、统计分析及数据挖掘[M].北京:科学出版社,2010.
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[15]MorganC L,Ladbrooke Z L,Bruce DM,et al.Breeding oilseed rape for shattering resistance[J].Journal of Agricultural Sciences,2000,135:347-359.
[2]Josefsson E.Investigations into shattering resistance of cruciferous crops[J].Zeitschlift fur Pflanzenzuchtung,1968,59:384-396.
[3]Loof B.Platzfestigkeitalszuchtproblembeiolipflanzen der familieCruciferae[J].Zeitschlift fur Planzenzuchtung,1961,46:405-416.
[4]Morgan C L,Bruce D M,Child R,et al.Genetic variation for pod shatter resistance among lines of oilseed rape developed from synthetic B.napus[J].Field Crops Research,1998,58:153-165.
[5]何余堂,李殿荣.甘蓝型杂交油菜抗裂角性的初步研究[J].陕西农业科学,1996(3):30-31.
[6]蒲晓斌,蒋梁材,张启行,等.油菜抗裂角研究简述等[J].植物遗传资源科学,2002,3(1):49-54.
[7]李会珍,张志军,唐桂香,等.甘蓝型油菜抗裂角研究进展[J].中国油料作物学报,2003,25(1):89-91.
[8]谭小力,张洁夫,杨莉,等.油菜角果裂角力的定量测定[J].农业工程学报,2006,22(11):40-43.
[9]文雁成,傅廷栋,涂金星,等.甘蓝型油菜抗裂角品种(系)的筛选与分析[J].作物学报,2008,34(1):163-166.
[10]张冬青,张尧锋,林宝刚,等.适合机械化栽培的双低油菜新品种浙油18的选育[J].中国油料作物学报(油料科技进步与食用油供给安全专辑),2008(30),增刊:277-278.
[11]彭鹏飞,李云昌,胡琼,等.甘蓝型油菜的抗裂角性鉴定及品种筛选[J].华北农学报,2009,24(6):223-226.
[12]彭鹏飞,李云昌,梅德圣,等.油菜抗裂角性鉴定方法的改进及试验[J].农业工程学报,2013,29(21):19-25.
[13]唐启义.DPS数据处理系统:实验设计、统计分析及数据挖掘[M].北京:科学出版社,2010.
[14]Thurling N.Application of the ideotype concept in breeding for higher yield in oilseed brassica[J].Field Crops Research,1991,26:201-219.
[15]MorganC L,Ladbrooke Z L,Bruce DM,et al.Breeding oilseed rape for shattering resistance[J].Journal of Agricultural Sciences,2000,135:347-359.