Journal
PLANT MOLECULAR BIOLOGY REPORTER
Volume 29, Issue 4, Pages 794-801Publisher
SPRINGER
DOI: 10.1007/s11105-010-0281-2
Keywords
NPK fertilization; Flowering; Betula platyphylla Suk.; Flowering-associated genes
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Funding
- Special Research Funds for Public Welfare Forestry [200904039]
- Northeast Forestry University [GRAM09]
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Fertilization treatments can promote the growth and development of tree plants. In the present study, we evaluated the combined effects of different doses of nitrogen, phosphorous, and potassium on the blossoming and the expression of five flowering-associated genes, including BpMADS1, BpMADS3, BpMADS5, BpSPL1, and BpSPL2. The results showed that balanced NPK (nitrogen, phosphorous, and potassium) fertilization cannot only promote the transition from juvenility to maturity but also can increase the inflorescence production of white birch. Furthermore, some fertilizing treatments not only increase the expression levels of all the five flowering-associated genes, but also change their expression patterns during the growth season. These results indicated that NPK fertilization have remarkable effects on flowering of white birch.
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