Impaired development of the first ear or pollination, poor fertilization; Variety characteristics; Carbon and nitrogen metabolism inconsistent, planting density is too large, too small; seedling growth is blocked, tasseling and flowering phase of excessive water, excessive growth and other factors, causing multiple Mature female inflorescences on nodes, resulting in multiple spikes.
Treatment measures:
1. Choose suitable and good varieties. It is not appropriate to use inbred lines that are prone to produce multiple spikes as breeding materials.
2. Strengthen water and fertilizer management to ensure balanced development of male and female ears;
3, timely sowing, rational dense planting;
4. Strengthen the management of the field and find that multiple spikes are promptly cut off to avoid consumption of nutrients.
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