Relationship between air temperature and phenological phases the beginning of the growing season and blooming period of two apple cultivars in Wrocław area
Maria Licznar-Małańczuk
Agricultural University of WroclawAbstract
In 1993–2002 relationship between air temperature and phenology the beginning of vegetation and blooming period was investigated in Wrocław area. Linear correlation coefficient between first leaf appearance and the beginning of blooming was significant. The number of warm days (> 10°C) in the 3rd decade of March affected the length of blooming period and significantly increased pollination. During flowering the number of days with temperature over 5° and 10°C also prolonged the blooming period, however increased number of warm days (> 15°C) shortend the end of blooming phase.
Keywords:
apple, phenology, beginning of vegetation, blooming, temperatureReferences
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Agricultural University of Wroclaw
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