Key points of National Day Chrysanthemum cultivation

First, when the cuttage seedling has 3 to 4 roots, it can be put on the pot. When putting on the basin, the roots should be stretched, the basin soil should be compacted, water should be watered thoroughly, shade, and then water should be sprayed once in the morning and evening. After survival, gradually move to a sunny place, the basin should be placed in a flat and well-drained place, the distance between the basin should be kept at more than 5 cm. Generally do not move the flowerpot during the growth process, let the root take root in the soil as far as possible, in order to absorb nutrients.

Second, 2 weeks after the heart is removed, the heart is removed for the first time to make the seedling height equal to or slightly higher than the edge of the basin. After every 4-5 leaves, keep 2-3 leaves and remove the terminal buds. The last pick depends on the variety. Generally, the yellow series is in early August and the red series is before July 20.

Third, watering National Day chrysanthemum likes to be cool, avoid hot, afraid of stagnant water, rain and waterlogging, we should adhere to the principle of no dry and no watering. Midsummer noon must avoid watering, it is appropriate to water the sun before 9: 00 in the morning or after 6: 00 in the afternoon.

Fourth, after applying fertilizer to the basin, master to apply fresh cake fertilizer and water for every dozen. The weather is hotter from July to August, and the national chrysanthemum grows slowly, so it can be applied less or not, so as not to damage the root system and rot. In the second half of the Beginning of Autumn, the national chrysanthemum began to conceive buds, at this time to increase fertilizer and water management, once a week, the concentration gradually increased. After the flower buds are clear, 0.2% to 0.3% potassium dihydrogen phosphate solution is sprayed once a week, and fertilization should be stopped when flowering.

Fifth, pest control in the whole cultivation process of National Day chrysanthemum, we should pay attention to pest control, such as leaf spot, black spot, stem borer and so on.