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摘要 以黑穗醋栗半同胞家系子代测定林为研究对象,通过探讨果实性状的遗传变异规律综合分析了数量性状的遗传效应,并以此为基础材料,系统进行了优良家系的选择。结果表明,家系间果实性状存在一定的变异,其中,果径变异较小,果穗质量变异较大,单果质量变异最大,平均变异系数分别为2.75%、32.36%和40.41%。果径和果穗质量的遗传力较强,遗传增益中等,遗传分化较小,遗传力分别为0.995和0.811,遗传增益分别为1.28%和9.67%,综合考虑各种影响因素,确定RINI07为优良家系。
关键词 黑穗醋栗;半同胞家系; 果实性状;生态适应性;遗传效应
中图分类号 S722 文献标识码
A 文章编号 0517-6611(2014)32-11379-02
Analysis on Heredity Effects of HalfSib Progeny and Superior Ribes nigrum Family Selection
DANG Changshun1, LAN Shibo2*, NING Xiaoguang2 (1. Jangshanjiao Experimental Forest Farm of Heilongjiang Academy of Forestry Science, Ningan, Heilongjiang 157432; 2. Division of Forests Botany, Forestry Research Institute of Heilongjiang Province, Harbin, Heilongjiang 150081)
Abstract The heredity effects of fruit characters from halfsib progeny were discussed, and the superior families were selected based on analysis of the genetic variation. The results showed that, there are certain differences on the berry characters among the families, and the coefficients of variance of the fruit diameter (2.75%) were smaller, but its each fruit cluster weight(32.36%) were larger and its average fruit weight(40.41%) were the largest. Meanwhile its berry character had strong heritability and medium genetic gain, and its genetic diversity was smaller. The heritability of the fruit diameter and the fruit cluster weight were 0.995 and 0.811, and the genetic gain were 1.28% and 9.67%, respectively. So, taking influencing factors into consideration, RINI07 were determined to be the superior family.
Key words Ribes nigrum; Halfsib family; Berry character; Ecology adaptability; Heredity effects
黑穗醋栗(Ribes nigrum Linn.)(東北木本植物图志)是抗寒性较强的多年生灌木,其果实富含多种维生素、有机酸、微量元素和植物果胶,尤以维生素C的含量最高。在植物系统分类学上,黑穗醋栗隶属于虎耳草科(Saxifragaceae)茶藨子属(Ribes Linn.),又称黑豆、黑加仑(黑龙江)、旱葡萄(大兴安岭)和兴安茶藨子(东北木本植物图志),具有适应范围广、抗逆性强、营养丰富、医疗和保健价值高的显著特性,开发利用前景广阔[1]。黑穗醋栗的分布中心位于欧洲北部,在我国大陆境内仅大兴安岭北部存在自然分布。在波兰和瑞典,黑穗醋栗的人工栽培拥有近500年的历史,自1911年起我国开始引种栽培,目前在东北黑龙江的阿城至牡丹江一带栽培广泛,其种均源自欧洲。20世纪80年代,黑穗醋栗相关的研究主要集中在引种栽培[2-3]、营养成分分析[4-5]、有性繁殖和无性繁育[6-7]、茎段离体培养[8-9]和产品加工[10-11]等领域,而关于半同胞子代遗传效应分析和优良家系选择方面的研究尚未见报道。鉴于此,笔者以黑穗醋栗半同胞家系子代的果实性状为主要测定指标,系统分析了果实性状的变异程度,综合评价了数量性状的遗传效应,并在此基础上筛选了优良家系,旨在为我国高寒地区黑穗醋栗的良种选育和引种驯化提供理论依据。
1 材料与方法
1.1 试验地概况
试验地点选设在黑龙江省林口县林业局青山林场,地处我国东北的东部山区,属长白山系张广才岭东坡的丘陵区,地理位置:130°20′~130°40′E、45°17′~45°30′N。该区域的地势东北高、西南低,平均坡度10°~15°,最大坡度40°,海拔300~500 m;气候属寒温带大陆季风气候,冬季寒冷干燥而漫长,夏季温暖湿润而短促,水热同季,光照充足,无霜期120~130 d,平均降水量400~600 mm,且多集中在6~8月份,该期间降水量约占全年降水量的50%,≥10 ℃年有效积温2 100~2 600 ℃;地带性土壤类型为暗棕壤,土层深厚,土壤湿润肥沃,通透性强,适宜林木生长和发育。
关键词 黑穗醋栗;半同胞家系; 果实性状;生态适应性;遗传效应
中图分类号 S722 文献标识码
A 文章编号 0517-6611(2014)32-11379-02
Analysis on Heredity Effects of HalfSib Progeny and Superior Ribes nigrum Family Selection
DANG Changshun1, LAN Shibo2*, NING Xiaoguang2 (1. Jangshanjiao Experimental Forest Farm of Heilongjiang Academy of Forestry Science, Ningan, Heilongjiang 157432; 2. Division of Forests Botany, Forestry Research Institute of Heilongjiang Province, Harbin, Heilongjiang 150081)
Abstract The heredity effects of fruit characters from halfsib progeny were discussed, and the superior families were selected based on analysis of the genetic variation. The results showed that, there are certain differences on the berry characters among the families, and the coefficients of variance of the fruit diameter (2.75%) were smaller, but its each fruit cluster weight(32.36%) were larger and its average fruit weight(40.41%) were the largest. Meanwhile its berry character had strong heritability and medium genetic gain, and its genetic diversity was smaller. The heritability of the fruit diameter and the fruit cluster weight were 0.995 and 0.811, and the genetic gain were 1.28% and 9.67%, respectively. So, taking influencing factors into consideration, RINI07 were determined to be the superior family.
Key words Ribes nigrum; Halfsib family; Berry character; Ecology adaptability; Heredity effects
黑穗醋栗(Ribes nigrum Linn.)(東北木本植物图志)是抗寒性较强的多年生灌木,其果实富含多种维生素、有机酸、微量元素和植物果胶,尤以维生素C的含量最高。在植物系统分类学上,黑穗醋栗隶属于虎耳草科(Saxifragaceae)茶藨子属(Ribes Linn.),又称黑豆、黑加仑(黑龙江)、旱葡萄(大兴安岭)和兴安茶藨子(东北木本植物图志),具有适应范围广、抗逆性强、营养丰富、医疗和保健价值高的显著特性,开发利用前景广阔[1]。黑穗醋栗的分布中心位于欧洲北部,在我国大陆境内仅大兴安岭北部存在自然分布。在波兰和瑞典,黑穗醋栗的人工栽培拥有近500年的历史,自1911年起我国开始引种栽培,目前在东北黑龙江的阿城至牡丹江一带栽培广泛,其种均源自欧洲。20世纪80年代,黑穗醋栗相关的研究主要集中在引种栽培[2-3]、营养成分分析[4-5]、有性繁殖和无性繁育[6-7]、茎段离体培养[8-9]和产品加工[10-11]等领域,而关于半同胞子代遗传效应分析和优良家系选择方面的研究尚未见报道。鉴于此,笔者以黑穗醋栗半同胞家系子代的果实性状为主要测定指标,系统分析了果实性状的变异程度,综合评价了数量性状的遗传效应,并在此基础上筛选了优良家系,旨在为我国高寒地区黑穗醋栗的良种选育和引种驯化提供理论依据。
1 材料与方法
1.1 试验地概况
试验地点选设在黑龙江省林口县林业局青山林场,地处我国东北的东部山区,属长白山系张广才岭东坡的丘陵区,地理位置:130°20′~130°40′E、45°17′~45°30′N。该区域的地势东北高、西南低,平均坡度10°~15°,最大坡度40°,海拔300~500 m;气候属寒温带大陆季风气候,冬季寒冷干燥而漫长,夏季温暖湿润而短促,水热同季,光照充足,无霜期120~130 d,平均降水量400~600 mm,且多集中在6~8月份,该期间降水量约占全年降水量的50%,≥10 ℃年有效积温2 100~2 600 ℃;地带性土壤类型为暗棕壤,土层深厚,土壤湿润肥沃,通透性强,适宜林木生长和发育。