为了研究探索早衰对谷子杂交种产量构成的影响。本试验采用完全随机区组设计,用多重比较及聚类分析的方法,对山西省农业科学院经济作物研究所自育的8 个杂交种和‘晋谷49 号’的产量构成因素与早衰程度的相关性做出分析。结果表明,对照在早衰最轻的前提下产量最高,其余参试材料的产量随着早衰的加剧逐步减产,减产幅度在12.35%~36.14%之间。并且早衰程度与穗粒重、千粒重、产量呈极显著负相关。早衰现象与杂交种的亲本不育源存在一定的相关性。可见,早衰严重影响谷子杂交种的产量,在选育品种时应尽量选择优良、品质好的抗早衰遗传基因。
Abstract
In order to study the effect of premature senility on yield components of millet hybrids, the study adopted a randomized complete block design with eight hybrids (bred by Crop Research Institute, Shanxi Academy of Agricultural Sciences) and the‘Millet 49’, and the correlations of yield components and degree of premature senility were analyzed with multiple comparisons and cluster analysis. The results showed that the control had the highest yield under the lightest degree of premature senility. The yields of other materials gradually declined as the premature senility was intensified, and the reduction of the yield ranged from 12.35%-36.14%. There were significantly negative correlations between the degree of premature senility and grain weight per ear, thousand kernel weight and yield. The premature senility had some correlations with parent infertility of the hybrids. In conclusion, the premature senility seriously affected the yield of the millet hybrids, so we should choose the anti- premature senility genes with good quality.
关键词
谷子杂交种;产量构成因素;早衰程度
{{custom_keyword}} /
Key words
millet hybrid; yield components; degree of premature senility
{{custom_keyword}} /
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[参考文献]
[1] 林汝法, 柴 岩.中国小杂粮[M].北京:中国农业科技出版社,2002:91-105.
[2] 李会霞,王玉文,田岗.对山西省谷子杂种优势利用研究的实践与思考[J].山西农业科学,2001:39(10):1035-1039.
[3] 程汝宏,刘正理. 谷子育种中几个主要性状选育方法的探讨[J].华北农学报,2003,18(Z1):145-149.
[4] Thomas H,Huang L,Young M,et al. Evolution of plant senescence[J]. Bmc Evolutionary Biology,2009,9:163-195.
[5] 段俊,梁承邺,黄毓文.杂交水稻开花结实期间叶片衰老[J].植物生理学报,1997,23(2):139-144.
[6] 曹孟良.水稻叶片早衰性的遗传分析[J].湖南农业科学,2001,(1):13-14.
[7] 马绪亮,李合松.杂交水稻早衰机理研究进展[J].湖南农业科学,2007,(3):59-61.
[8] 李木英,石庆华,郑伟,等.杂交稻后期叶片早衰特征及其与叶片N 含量和根系活力关系初探[J].江西农业大学学报,2008,30(5):757-765.
[9] 朱虹霞,郭士伟,王荣富.杂交水稻早衰的研究进展[J]. 安徽农业科学,2009,37(5):1945-1947.
[10] 杨艳君,郭平毅,曹玉凤,等. 施肥水平和种植密度对张杂谷5号产量及其构成要素的影响[J].作物学报,2012,38(12):2278-2285.
[11] 潘晓华,王永锐.两系稻改变库/源比对叶片衰老及同化物分配的影响[J].江西农业大学学报,1994,16(3):221-226.
[12] 潘晓华,王永锐.水稻库/源比对叶片光合作用、同化物运输和分配及叶片衰老的影响[J].作物学报,1998,24(6):821-827.
[13] 熊振民,梁承邺.水稻育种技术基础研究论文集[A].北京:中国科学技术出版社,1991.183-187.
[14] 黄升谋. 水稻源库关系与叶片衰老的研究[J]. 江西农业大学学报,2001,23(2):171-173.
[15] GAN S, Amasino R M .Making sense of senescence[J] .Plant Physiol, 1997 , 113 :313-319 .
[16] 张存信.棉花早衰及其预防技术[J] .天津农学院学报,2003,10(2):41-44,56.
[17] 郑丕尧, 李雁明.生育生理.In:郑丕尧, 作物生理学导论[M] .北京:北京农业大学出版社, 1992.73-79.
[18] 李静, 沈法富, 于东海, 等. 转基因抗早衰棉的获得[J]. 西北植物学报, 2004, 24(8): 1419-1423.
[19] 姜瑞云, 王宏, 黄祯茂, 等.浅谈棉花早衰[J]. 中国棉花, 1996,23(3): 7-8.
[20] BETANIA F. Diverse range of gene activity during Arabidopsis thaliana leaf senescence induces pathogen-independent induction of defense-related genes[J].Plant Molecular Biology, 1999,40:267-278.
[21] 郑家焕, 戴玉淑, 王建波. 棉花早衰的表现及防治途径[J]. 中国棉花, 2000, 27(3): 40-41.
[22] 董合忠, 李维江, 唐薇, 等. 棉花生理性早衰研究进展[J]. 棉花学报, 2005, 17(1): 56-60.
{{custom_fnGroup.title_cn}}
脚注
{{custom_fn.content}}