不同单株留蒴果数对湘烟5号种子产量和质量的影响  

Effects of the Number of Various Fruits Retention on Seed Yield and Quality of Xiangyan 5

作　　者：肖钦之 周立 邓斌 滕林娟 李小慧 秦凌 王贵 甘在德 卢朝军 崔国贤[4] Xiao Qinzhi;Zhou Li;Deng Bin;Teng Linjuan;Li Xiaohui;Qin Ling;Wang Gui;Gan Zaide;Lu Chaojun;Cui Guoxian(Yongzhou Branch of Hunan Tobacco Company,Yongzhou 425000,Hunan,China;Hunan Tobacco Company,Changsha 410000,Hunan,China;Yongzhou Agricultural Science Research Institute,Yongzhou 425000,Hunan,China;College of Agriculture,Hunan Agricultural University,Changsha 410000,Hunan,China)

机构地区：[1]湖南省烟草公司永州市公司,湖南永州425000 [2]湖南省烟草公司,湖南长沙410000 [3]永州市农业科学研究所,湖南永州425000 [4]湖南农业大学农学院,湖南长沙410000

出　　处：《作物杂志》2022年第1期227-232,共6页Crops

基　　金：永州焦甜醇甜香型烤烟新品种选育资助项目[YZYC(2020)16]。

摘　　要：为了提高烤烟湘烟5号良种繁育种子产量、质量、根系活力及烟苗质量和抗性,采用田间试验方法,研究不同单株留蒴果数对湘烟5号制种产量和质量的影响。结果表明,单株留蒴果80个处理的种子产量最高,发芽率达到99.0%,幼苗第7叶出叶天数64.8d,且化学成分协调性优于单株留蒴果100、120和140个处理,中上等烟率达到96.73%。尽管单株留蒴果60个的幼苗出叶天数最短,但种子根系活力、叶绿素和脯氨酸含量、中上等烟率最高,烟叶化学成分含量较单株留蒴果80个更优,但留果数太少影响种子产量。综合考虑,湘烟5号的最佳单株留蒴果数为80个。In order to improve the flue-cured tobacco Xiangyan 5 seed yield and quality,root activity,seedling quality and resistance,a field test was conducted to investigate the effects of the number of various fruits retention on yield and quality of Xiangyan 5.The results showed that the seed yield of 80 fruits retention per plant was the highest,the germination rate reached 99.0%,the 7th leaf emergence days of the seedlings was 64.8 d,and the chemical composition coordination was better than that of 100,120,140 fruits retention per plant.The medium to high smoking rate reached 96.73%.Although the seedlings of 60 fruits retention per plant had the shortest leaf emergence days,the seed root vigor,chlorophyll and proline content,and medium to high smoking rate were the highest,and the chemical composition contents of leaves were better than that of 80 fruits retention per plant,but too few fruit retention would affect seed yield.Under the conditions of this study,the optimal number of fruit retention per plant of tobacco Xiangyan 5 was 80.

关 键 词：湘烟5号 制种技术 留蒴果数 种子活力 

分 类 号：S572[农业科学—烟草工业]