First, planting
In the process of planting begonia seeds, the planting time should be reasonably determined according to the local actual situation to ensure the high survival rate of begonia seeds. The sowing method is drilling, the sowing amount is controlled at 270~345kg/hm2, and the row spacing is controlled at 15~20cm. After sowing, the appropriate covering thickness is 1cm. In order to keep the soil in close contact with begonia seeds, the soil should be inhibited after covering. After planting, you can cover bamboo mats and straw mats. Improve seed germination rate, keep warm and rain-proof, shade and moisturize.
Second, on-site management
1, timely weeding, fertilization and irrigation. Pay attention to weeding in the field to prevent competition for water and fertilizer. Fertilization methods should also be chosen properly. Fertilization is usually closely related to irrigation. At present, the commonly used fertilization methods are sprinkler irrigation, drip irrigation and dropper, of which drip irrigation is the most commonly used. Keep the stems and leaves of plants away from fertilizers to prevent rot. Only in this way can it grow better and look more beautiful. Because begonia needs different water in different growth stages, it is very important to ensure adequate water supply in the early growth stage, proper water control in flower bud differentiation stage and adequate water supply in flowering stage.
2. Do a good job in pest control. In the field management of begonia, pest control is very important. Usually, the prevention and control of Begonia pests must adhere to the principle of "prevention first, comprehensive management". Sterilize the seeds when sowing. In the growing period, flowering begonia should be weeded in time and watered many times with a small amount of water. Once diseases and insect pests occur, they must be dealt with as soon as possible, and the diseases and insect pests and plant branches and leaves should be removed in time.
Third, adjust the flowering period reasonably.
Reasonable control of flowering time can effectively extend the shelf life of begonia serrated edge and achieve the purpose of four seasons supply. Light is an important factor to promote the growth and reproduction of begonia. Adjusting photoperiod is a way to adjust flowering. Chemical regulation of plant growth regulators such as auxin and gibberellin can also be used to break seed dormancy and promote flower bud differentiation. The growth of stems and leaves increased the flowering time.
4. Post-harvest processing.
When harvesting begonia, we must master the actual metabolism of begonia. If picked in the morning or evening, there is no doubt that flowering branches will accumulate more sugar, which is more effective in preventing aging. During transportation, the photosynthetic effect of Begonia decreased, and water metabolism was also affected. Keep the freshness during transportation and ensure the proper temperature during transportation.
The above are the problems that we should pay attention to in the process of planting begonia, hoping to help everyone.