不同光质对盆栽一品红光合特性及生长的影响

园艺学报 ›› 2006, Vol. 33 ›› Issue (2): 338-343.

不同光质对盆栽一品红光合特性及生长的影响

江明艳¹;潘远智^1,2

(¹四川农业大学林学园艺学院, 雅安625014; ²中国林业科学研究院林业研究所, 北京100091)

收稿日期:2005-03-18 修回日期:2005-07-25 出版日期:2006-04-25 发布日期:2006-04-25

Effects of Light Quality on the Photosynthetic Characteristics and Growth of Poinsettia

Jiang Mingyan¹; Pan Yuanzhi^{1, 2}

(¹ College of Forestry and Horticultural, Sichuan Agricultural University, Ya'an 625014, China; ²The Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China)

Received:2005-03-18 Revised:2005-07-25 Online:2006-04-25 Published:2006-04-25

摘要/Abstract

摘要： 以‘天鹅绒’和‘威望’两个一品红品种为试材, 研究了红、黄、蓝3种光质对其生长、观赏品质和花期的影响, 结果表明: 红光有利于叶绿素b的合成, 促进侧枝的生长, 推迟花期3 d, 但提高花头的观赏品质。黄光有利于光合速率的增加, 对侧枝的生长表现出前期促进、后期抑制的现象, 虽然对花期无明显影响, 但降低了花头的观赏品质。蓝光有利于叶绿素a的合成, 抑制侧枝的生长, 使花期提前7 d,但对花头观赏品质无明显影响。

关键词: 一品红, 光质, 光合特性, 观赏品质

Abstract: Using‘Red Velvet’and‘Prestige’as materials, the effects of different light quality ( red,yellow, blue) on poinsettia growth, flowerps ornamental value and flowering time were examined. The results indicated that red light promoted the contents of chlorophyll b and the growth of lateral shoots, and the flowering times were delayed 3 days, but it increased the flowerps ornamental values. Yellow light benefited the increase of the photosynthetic rate, promoted the growth of poinsettia in the early stage but inhibited in the later
stage. It decreased the flower's ornamental values of poinsettia although it had no effects on its flowering times.Blue light promoted the contents of chlorophyll a, inhibited the growth of lateral shoots and made flowers blooming 7 days earlier, but the flowerps ornamental values were normal.

Key words: Poinsettia ( Euphorbia pulcherrima Willd), Light quality, Photosynthetic characteristics, Ornamental value

江明艳;潘远智;. 不同光质对盆栽一品红光合特性及生长的影响[J]. 园艺学报, 2006, 33(2): 338-343.

Jiang Mingyan;Pan Yuanzhi;. Effects of Light Quality on the Photosynthetic Characteristics and Growth of Poinsettia[J]. ACTA HORTICULTURAE SINICA, 2006, 33(2): 338-343.

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