延长桃花源风景区桃花观赏期的品种组合方案.PDF

安徽农业科学,Journal of Anhui Agri . Sci .2009 ,37(7) :2937 - 2939 责任编辑 李菲菲 责任校对 卢瑶 延长桃花源风景区桃花观赏期的品种组合方案 1 1 2 1 顾振华 , 王燕, 李巧云, 柳小年 ( 1. 常德职业技术学院生物工程系, 湖南常德4 15000 ;2 . 湖南农业大学生物科学技术学院, 湖南长沙410128) 摘要 为解决桃花源风景 区桃花群体观 赏期较短 的问题,2007 ～2008 年在 常德职业技术学院观 赏桃花种质资源圃定点观察记 载 了34 个 观 赏桃品种的开花物候期, 拟定3 月 10 日前进入最佳观 赏期的为早花品种;3 月11 ～20 日进入最佳观 赏期的为 中花品种;3 月20 日后进 入最佳观 赏期的为晚花品种 。从 中筛选了24 个品种, 按照早 、中、晚花品种株数数量 以4 ∶3 ∶3 的比例配置, 形成延长桃 花源风景 区桃花 观 赏期的品种组合方案, 可使桃花群体花期延长至52 d , 从 而提 高了桃花源风景 区景观价值 。 关键词 桃花源; 桃花; 品种组合; 延长; 开花期 中图分类号 S662 . 1 文献标识码 A 文章编号 0517 - 6611( 2009) 07 - 02937 - 03 Variety Combination Scheme for Prolonging the Ornamental Period of Peach Blossomin the Scenic Spot of Taohuayuan GU Zhen- hua et al ( Bioengineering Depart ment of Changde Vocational Technical College , Changde ,Hunan 415000) Abstract In order to resolve the proble mof a relatively short period (the proportion of 4 ∶3 ∶3) of peach blossomin Taohuayuan scenic spot , the blooming phenophase of 34 varieties of ornamental peach in the peach orchard ger mplasmfixed- point of Changde Vocational Technical College fro m2007 to 2008 were observed and recorded . The peach varieties entering the best viewing period before March 10th were supposed to be early varieties of flowers ; The th th peach varieties entering the best viewing period in March 11 - 20 were moderate varieties of flowers ; The peachvarieties entering the best viewi ng period after March 20th were late varieties of flowers . 24 varieties we selected . According to the plant number of early , middle and late varieties , the ratio of 4 ∶3 ∶3 was arranged to formthe variety combi nation scheme and prolong the viewi ng period of peach in Taohuayuan scenic spot . The population blo