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在玉米制种过程中,父本生长的好坏、花期的长短,是影响制种产量的重要条件。因此,调节花期,保证花期相遇良好,是提高玉米制种产量的有效手段。通过多年实践,总结了延长父本花期的两种技术。
In the process of seed production of corn, the growth of male parent is good and bad, the length of flowering is an important condition that affects seed production. Therefore, the regulation of flowering, flowering to ensure a good encounter is to increase the yield of corn seed production an effective means. After years of practice, two techniques for extending the flowering period of the male parent have been summarized.