The temperature during the flowering period of blueberry emerald is: daytime temperature control at 20 ℃ - 22 ℃, not more than 25 ℃, night temperature 8 ℃ or more.
Blossoming blueberries should be wary of high temperatures that cause problems with flower development. If the temperature exceeds 30 degrees Celsius, those who have not yet fully developed flower buds will also be early differentiation into flower buds, and these buds are generally stunted. It is recommended that the temperature be reasonably controlled between 25-28 degrees Celsius, and if there are conditions in the rainy days and nights can be used heating facilities, to control the low temperature above 20 degrees Celsius, for the buds will be better for the breeding.
Basic introduction
Blueberry is a fruit with high nutritional value, which is also widely planted in China. And the flowering period of blueberry trees due to climate and varieties have obvious differences, in the south of China in the first and middle of March flowering, the north is generally in the 4-6 copies of about. As the blueberry is a xenogamous pollinating plant, the flowering and pollination period of the more stringent requirements of environmental conditions, so do a good job of flowering management for the blueberry yield is crucial.