Is green plum evergreen or deciduous trees?

Green plum is a small deciduous tree, which is planted in many places in our country. Plum blossom has always been regarded as a symbol of fearless violence, stronger than resistance and chastity and nobility. The ancients often matched pine, plum and bamboo into "old cold three friends".

I. introduction of green plum

Green plum, also known as green calyx plum, gets its name from calyx green, white flowers and green branchlets. It belongs to the green calyx type of straight branch plum in the plum blossom variety classification system, and it is the outstanding one among the plum blossom varieties. Like higher air humidity, have a certain degree of drought resistance, the requirements of the soil are not strict, but like humus-rich sandy loam, the soil is easy to rot and die when the soil is heavy and poor drainage.

The common pests and diseases of plum blossom are easy to occur on Gongfen plum and cinnabar plum, but less on green calyx plum. In addition, due to the strong growth of green calyx plum, stout new branches and full leaf buds, the survival rate of bud grafting is much higher than that of other varieties, but green calyx plum also has its shortcomings, that is, the frost resistance of flower buds is poor, so we should pay attention to cold protection and bud protection when the cold wave comes.

Second, the value of green plum

Fresh green calyx plum was processed by microwave drying. The effects of microwave drying on the quality of green calyx plum were studied with alcohol-soluble extract, chlorogenic acid, hyperin and isoquercitrin as evaluation indexes. Results: the microwave drying process was optimized. The content of chlorogenic acid in microwave drying samples was higher than that in traditional drying samples, and the difference was significant.

Green plum is a common ornamental flower, and its ornamental value is very high.