THE INFLUENCE OF LIGHT QUALITY ON ROSE FLOWER SENESCENCE - INVOLVEMENT OF ABSCISIC-ACID

被引:12
作者
GARELLO, G
MENARD, C
DANSEREAU, B
LEPAGEDEGIVRY, MT
机构
[1] UNIV NICE,PHYSIOL VEGETALE LAB,F-06108 NICE 2,FRANCE
[2] UNIV LAVAL,CTR RECH HORT,DEPT PHYTOL,QUEBEC CITY,PQ G1K 7P4,CANADA
关键词
FLOWER SENESCENCE; LIGHT QUALITY; PETAL ABA CONTENT;
D O I
10.1007/BF00029534
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The aim of this work was to study the impact of light applied during preharvest culture on the subsequent senescence of cut rose flower and to analyse the possible involvement of abscisic acid (ABA). The longevity of cut rose flowers was longer when rose plants were previously grown under high pressure sodium lamps than under metal halide lamps. A change in light source did not lead to a change in leaf ABA content but significantly affected the petal ABA content. The relationship between ABA level and flower longevity, previously reported for differences of genetic origin, was again observed for culture-induced differences: the higher the ABA level at harvest, the shorter the vase-life observed.
引用
收藏
页码:135 / 139
页数:5
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