植物生长调节剂对盆栽一品红生长及观赏品质的影响  

Effects of plant growth regulator on the growth and ornamental characters of poinsettia

作　　者：谷战英[1] 谢碧霞[1] 张冬林[1,2] Lois Stack 

机构地区：[1]中南林业科技大学林学院,湖南长沙410004 [2]University of Maine,U.S.,Maine Orono 04101

出　　处：《湖南农业大学学报（自然科学版）》2009年第4期383-386,共4页Journal of Hunan Agricultural University(Natural Sciences)

基　　金：中南林业科技大学青年基金重点项目(06001A)

摘　　要：以Sonora Red和Sonora White Glitter两个一品红栽培品种为试验材料,研究了5种不同植物生长调节剂组合对一品红生长及观赏品质的影响.结果表明,与施清水处理相比,各生长调节剂处理均对植株的株高增长速率和株高有一定的抑制作用,均使花头直径和苞叶面积减小,使植株的干重和鲜重降低,但品种间有一定差异.总体来说,质量分数5.0×10-4的乙烯利喷洒2次(前后约1个月)处理和质量分数5.0×10-4的乙烯利喷施1次后约1个月再用质量分数5.0×10-4的矮壮素+质量分数1.0×10-3的B9喷洒1次处理的效果较好,两处理均对一品红的株高有一定的控制作用,但不影响其观赏品质.Using Sonora Red and Sonora White Glitter as materials, the effects of five different combinations of plant growth regulators on the growth and ornamental characters of poinsettia were studied. The results indicated that compared with water treatmnent, each of the five plant grow regulator treatments decreased： growth rate and height; canopy diameter and bract area, as well as dry weight and fresh weight, but variation existed between cultivars. In short, treatment B （sprayed florel 5.0×10^-4 twice） and treatment E （sprayed fiord 5.0×10^-4 and cycocel 5.0×10^-4＋ B9 1.0×10^-3 once individually） were better, in controlling the heights of poinsettia and maintaining their ornamental characters.

关 键 词：一品红 生长调节剂 生长 观赏品质 

分 类 号：S685.23[农业科学—观赏园艺]