Assessing chilling tolerance in roses using chlorophyll fluorescence

被引：38

作者：

Hakam, N ^{[1
]}

Khanizadeh, S ^{[1
]}

DeEll, JR ^{[1
]}

Richer, C ^{[1
]}

机构：

[1] Agr & Agri Food Canada, Hort Res & Dev Ctr, St Jean Sur Richelieu, PQ J3B 3E6, Canada

来源：

HORTSCIENCE | 2000年 / 35卷 / 02期

关键词：

spring frost; hardiness; Rosaceae; low temperature injury; winter damage; nondestructive method; Rosa kordesii; R; hybrida; rugosa; arkansana;

D O I：

10.21273/HORTSCI.35.2.184

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Chlorophyll fluorescence (CF) was evaluated as a technique to assess chilling injury of rose (Rosa sp.) leaves exposed to low temperatures. In the more susceptible genotypes, variable fluorescence (Fv) decreased dramatically as the temperature was lowered. In the less susceptible genotypes, Fv was more stable and decreased more slowly as temperature fell. Our results suggest that measurement of CF may provide a rapid method to prescreen genotypes for chilling susceptibility, as required in plant breeding.

引用

页码：184 / 186

页数：3

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