苦楝优良家系的初选
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摘要
为了在华南地区选择优良的种源和家系,了解苦楝(Melia azedarach)的地理变异及其趋势,研究对6个省(区) 24个种源的225个苦楝家系进行统计分析。结果表明:部分苦楝家系在雷州试验点生长表现良好,各性状在家系间及各效应项均存在极显著或显著差异。与冠幅和树高相比,胸径、干形和枝下高受较强的遗传控制。根据多性状综合指数结果,初步筛选出23个优良家系,适宜在广东地区推广种植,在此基础上,以平均树高、平均胸径、遗传增益均大于前10%家系均值作为选择标准,进一步选出5个整体生长表现优于其他入选的优良家系。此外,214、227号等10个家系的整体生长水平较好,个别性状表现优良,可作为有潜力的候选种源。
225 families of 24 provenances from 6 provinces were analyzed in order to select excellent provenances and families for southern China and understand the geographical variation and trend of Melia azedarach. Results showed that some families of M.azedarach grew well in Leizhou,and the differences among families and other effect terms were significant or extremely significant. DBH,stem shape and clear bole height were subject to strong genetic control compared with crown width and tree height. Twenty-three superior families were preliminarily selected by comprehensive index of multiple traits,which were suitable for being planted in large areas of Guangdong. Five excellent families with overall outstanding features were further selected with the average tree height,average DBH and genetic gain that were all greater than the average of the top10% families as the selection criteria. In addition,overall growth of 10 families such as No.214,No.227 had good performance and excellent individual traits,which could be used as potential candidate provenances.
225 families of 24 provenances from 6 provinces were analyzed in order to select excellent provenances and families for southern China and understand the geographical variation and trend of Melia azedarach. Results showed that some families of M.azedarach grew well in Leizhou,and the differences among families and other effect terms were significant or extremely significant. DBH,stem shape and clear bole height were subject to strong genetic control compared with crown width and tree height. Twenty-three superior families were preliminarily selected by comprehensive index of multiple traits,which were suitable for being planted in large areas of Guangdong. Five excellent families with overall outstanding features were further selected with the average tree height,average DBH and genetic gain that were all greater than the average of the top10% families as the selection criteria. In addition,overall growth of 10 families such as No.214,No.227 had good performance and excellent individual traits,which could be used as potential candidate provenances.
引文
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[20]何霞,廖柏勇,王芳,等.苦楝种源幼林期生长性状地理变异的研究[J].华南农业大学学报,2016,37(4):75-81.
[21]何霞,吕子豪,廖柏勇,等.苦楝不同种源在广东生长适应性表现及早期选择[J].中南林业科技大学学报,2018,38(3):44-50.
[22]王瑞文,庞宏东,徐自学,等.日本花柏优良家系选择初报[J].湖北林业科技,2016,45(5):20-22.
[23]洪永辉,林文奖,黄以法. 12年生马尾松种子园半同胞家系生长性状变异分析与优良家系选择[J].南京林业大学学报(自然科学版),2010,34(4):26-30.
[24]徐焕文,刘宇,李志新,等. 5年生白桦杂种子代多点稳定性分析及优良家系选择[J].北京林业大学学报,2015,37(12):24-31.
[25]刘宇,徐焕文,李志新,等.白桦子代家系幼林期生长表现及适应性分析[J].浙江农林大学学报,2015,32(6):853-860.
[2]桂炳中,邓江.华北地区苦楝苗木繁殖与养护[J].特种经济动植物,2013,16(1):38-39.
[3]刘丽云.苦楝栽培技术及应用价值[J].北方园艺,2009(9):144-145.
[4]何霞,田永清,惠文凯,等.苦楝果活性成分及其地理变异研究进展[J].南方农业学报,2017,48(10):1838-1843.
[5]朱积余,申文辉,蒋燚,等.红锥家系遗传变异与优良家系选择[J].热带亚热带植物学报,2014,22(3):270-280.
[6]崔栋,傅兆祥,王建华,等.苦楝种源试验研究[J].河南林业科技,1994(2):14-16.
[7]陈羡德,陈礼光,阙茂文,等.不同种源苦楝幼林试验初步研究[J].福建林学院学报,2008(1):23-26.
[8]于振群.苦楝半同胞家系子代测定与选择研究[D].泰安:山东农业大学,2008.
[9]教忠意,徐长柏,丁学农.苦楝优良家系初步选择[J].浙江林业科技,2011,31(3):48-50.
[10]陈丽君,刘明骞,廖柏勇,等.苦楝不同种源苗期生长性状和生长节律研究[J].西南林业大学学报,2014,34(4):1-7.
[11]廖源林,蔡仕珍,邓辉茗,等.苦楝叶片抗氧化系统对Cd2+胁迫的响应[J].东北林业大学学报,2015,43(11):22-27.
[12]教忠意,唐凌凌,仇曙光,等. 5个苦楝无性系光合特性的初步研究[J].四川林业科技,2017,38(5):38-40.
[13]陈丽君,刘明骞,廖柏勇,等.苦楝SRAP-PCR反应体系的建立及优化[J].华南农业大学学报,2015,36(3):104-108.
[14]王芳,廖柏勇,李培,等.苦楝SSR-PCR反应体系优化及引物筛选[J].林业科学研究,2016,29(2):167-175.
[15]陈羡德.植物源农药原料林树种苦楝良种选育及其遗传多样性分析[D].福州:福建农林大学,2008.
[16]廖柏勇.苦楝地理变异和遗传多样性研究[D].广州:华南农业大学,2016.
[17]黄丽丹,陈剑成,玉桂成,等.火力楠子代遗传变异分析及优良家系选择[J].广西林业科学,2016,45(3):292-296.
[18]阙青敏,欧阳昆唏,李培,等.黄梁木幼林家系主要性状的观测与优良家系的初步选择[J].广东农业科学,2015,42(15):18-24.
[19]李进文,陈朝辉,孙燕,等.多元线性回归模型变量选择的总偏回归平方和法[J].数理医药学杂志,2007(2):126-127.
[20]何霞,廖柏勇,王芳,等.苦楝种源幼林期生长性状地理变异的研究[J].华南农业大学学报,2016,37(4):75-81.
[21]何霞,吕子豪,廖柏勇,等.苦楝不同种源在广东生长适应性表现及早期选择[J].中南林业科技大学学报,2018,38(3):44-50.
[22]王瑞文,庞宏东,徐自学,等.日本花柏优良家系选择初报[J].湖北林业科技,2016,45(5):20-22.
[23]洪永辉,林文奖,黄以法. 12年生马尾松种子园半同胞家系生长性状变异分析与优良家系选择[J].南京林业大学学报(自然科学版),2010,34(4):26-30.
[24]徐焕文,刘宇,李志新,等. 5年生白桦杂种子代多点稳定性分析及优良家系选择[J].北京林业大学学报,2015,37(12):24-31.
[25]刘宇,徐焕文,李志新,等.白桦子代家系幼林期生长表现及适应性分析[J].浙江农林大学学报,2015,32(6):853-860.