Title: Variation of some physiological indexes during flowering phases of Petunia hybrida Vilm
Abstract: The flowering process of \%Petunia hybrida \%Vilm was divided into four phases, namely, phase of non\|occurrence of flower buds, phase of flower buds, phase of occurrence of alabastrums and phase of flowering. The three kinds of flower colors (pink color, variegated color and red color) were chosen. The contents of MDA, soluble sugar, stimulins and polyamine were compared in four phases. The results indicated that the content of MDA increased, and that of soluble sugar decreased from phase of non\|occurrence of flower buds to phase of flowering. In the leaf blades of \%P. hybrida \%with the pink flowers, the content of IAA increased in phase of flowering, GA exhibited a high level from phase of non\|occurrence of flower buds to phase of flower buds; while the ZRs rose in phase of flowering. The putrescine rose slightly, spermine and spermidine decreased slightly during whole flowering process.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: article
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