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以芝 麻４ 个早 熟品种为 母本，６ 个晚熟 品种 为父 本， 采用 Ｎ ＣⅡ 设计 ，对 其２４ 个杂 交 组合的生育 阶段进 行了分析 ，结果表 明：在出苗 ～现蕾 和盛花～ 封顶 阶段， 早熟 品种 比晚 熟品 种生 育天数短，生 长发育 快，而在终 花～成 熟阶段，早 熟品种 比晚熟 品种 生育 天数 长，灌 浆时 间长， 这是 早熟品种取 得高产 的重要生 理原因； 现蕾早 晚 可作 为芝 麻 早熟 性 的重 要指 示 性状， 而 初花 早晚 与 成熟期没有 直接关 系；在同一 生育期 内，各阶段 的生育 天数是互 相制约 的。
Using four early maturing varieties of sesame as the female parent and six late maturing varieties as the male parent, the N CⅡ design was used to analyze the growth stages of 24 hybrid combinations. The results showed that in the stage of emergence-budding and Shenghua ~ capping, The precocious varieties had shorter days of growth and development than the late-maturing varieties, but the early maturing varieties had longer days of fertility and longer filling time than that of the late-maturing varieties in the final flower ~ maturity stage, which was an important physiological reason for the early maturing varieties to achieve high yield. Sesame precocious important indicator traits, and the early flowering of early flowering has no direct relationship with the maturity; in the same growth period, the number of births in each phase are mutually constrained.