Begonia snowball is a small deciduous tree of Malus in Rosaceae. Its trunk is gray, its leaves are rectangular, and it blooms in the first half of April every year. The buds of Begonia snowball are pale pink and white after opening.

Begonia snowball has strong resistance to pests and diseases, and can strengthen water and fertilizer management, enhance tree vigor and improve disease resistance during growth; Remove the diseased leaves in time, spray the lime-sulfur mixture with Baume degree of 3~5 once before the flower buds germinate, and spray 50% carbendazim 600 times solution, 70% thiophanate-methyl 1000 times solution or 70% mancozeb 800 times solution alternately every 20 days after the new leaves bloom to prevent the occurrence of diseases such as rust and powdery mildew.

The main pests that harm the snowball of begonia are aphids, red spiders and longicorn beetles. After flowering, cypermethrin was used to control aphids, and 20% Shapujin 1500 times solution was used to control red spiders. The solution diluted by 300-400 times with the water solution of Green Wei Lei Capsule can effectively prevent and control longicorn beetles.

Cultivation method of begonia flower

1, cultural environment

To cultivate begonia flowers, the base soil should be prepared with humus soil, river sand and bean cake fertilizer in the ratio of 6:3: 1, and the base soil should be exposed to the sun for disinfection to eliminate bacteria. Moreover, begonia flowers should be placed in a well-lit environment, providing no less than 6 hours of light every day, and 40% of the time should be shaded in summer and July.

2. Water and fertilizer management

Begonia flowers are drought-tolerant, and they are watered every five days in spring and autumn, every two days in summer and every 15 days in winter. Moreover, Begonia flowers like fertilizer, and diluted fertilizer can be applied once a week in spring, organic fertilizer every 10 day in the peak growth period, and phosphorus and potassium fertilizer are mainly applied in autumn.

3, plastic pruning

After the begonia flower enters the growth period, it is necessary to remove the core and cut off the top buds to promote the germination and branching of the plant. The flowering period should be short and long, so that nutrition can be concentrated on the flower buds. After the flowering period, the residual flowers should be removed to save nutrition. After the leaves fall, the dead branches, pests and branches of begonia flowers should be cut off to keep the plant beautiful.