GROWTH AND DEVELOPMENT OF PETUNIA XHYBRIDA AS A FUNCTION OF TEMPERATURE AND IRRADIANCE

被引：63

作者：

KACZPERSKI, MP ^{[1
]}

CARLSON, WH ^{[1
]}

KARLSSON, MG ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,DEPT HORT,E LANSING,MI 48824

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE | 1991年 / 116卷 / 02期

关键词：

DAY TEMPERATURE; NIGHT TEMPERATURE; AVERAGE DAILY TEMPERATURE;

D O I：

10.21273/JASHS.116.2.232

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Petunia x hybrida 'Snow Cloud' plants were grown under 25 temperature combinations ranging from 10 to 30C and at photosynthetic photon flux levels of 100 or 200-mu-mol.s-1.m-2 (6.5 and 13 mol.day-1.m-2, respectively). Days to flower was a quadratic function of average temperature, with 25C being the optimum temperature for minimal time to flower at 200-mu-mol.s-1.m-2. Plant height increased linearly and average internode length increased quadratically as day temperature increased. The number of lateral shoots decreased quadratically as average temperature increased, and the average length of each shoot decreased quadratically as day temperature increased.

引用

页码：232 / 237

页数：6

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