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本文对3种类型苏丹草种子的活力进行了测定，结果表明在3种类型苏丹草种子中，以黑壳类型苏丹草种子活力最强，明显优于红亮和白亮苏丹草。而红亮和白亮苏丹草之间种子活力差异不明显；对3种类型苏丹草种子产量测定的结果也表现出与种子活力相同的结果，将种子活力与种子产量做相关分析后结果表明：3种类型苏丹草种子产量均与种子活力成正相关，即种子活力越强，种子产量越高。
In this paper, the vigor of three types of sudangrass seeds was tested. The results showed that the seeds of sudangrass with black shell type were the strongest among the three types of sudangrass seeds, which was obviously better than the red and white sudangi. The results showed that the seed vigor of three types of sudangrass seed also showed the same result as the seed vigor. The correlation analysis between seed vigor and seed yield showed that: 3 The seed yield of all types of sudangrass grass was positively correlated with the seed vigor, that is, the stronger the seed vigor was, the higher the seed yield was.