Daily maintenance
After the seedlings have survived, pay attention to the management of fertilizer and water, and avoid the formation of young seedlings. The first topping was performed at the end of May and early June, and the tops were cut off to promote the sprouting of buds and increase the crown width. The growth period needs to be trimmed from 3 to 4 times according to the growth potential and top dressing 2 to 3 times. After the first topping, until the soil is dry, apply urea in combination with watering to topdressing. After the last topping, after the buds are grown, apply urea and potassium dihydrogen phosphate in combination with watering for the last top dressing. Two fertilizers need to pay strict attention to the amount of fertilizer used to ensure the safety of flower seedlings, pay attention to not accumulate water after the rain. During the growth period, powdery mildew easily occurs. After the occurrence of the powdery mildew, 20% triadimefon 1500 times is used for prevention and treatment.
Flowering regulation technology
The natural flowering period of Dutch chrysanthemums is from August to October, and the flowering period is from 7 days to 8 days. Mastering the time of last pruning is the key to controlling the flowering period. According to repeated practice over the past few years, the author believes that the last time pruning is appropriate around August 20th. When pruning, attention should be paid to the consistency of the overall height. The margin of the Dutch chrysanthemum can reach 40 cm.
The management of the Dutch chrysanthemum planted in the park is more extensive, the beautification cost is lower, and the effect is better. It has become an incomparable advantage to the potted plant scenery. It is planted in the park green space, or has an arc shape or a semi-circular shape, which is quite visual impact.
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