Large-spike cultivars of super wheat have higher temperature difference among day and night and higher active surface temperature than multi-spike cultivars wheat.
不同生育期，大穗型超级小麦和多穗型小麦外活动面日平均温度和日较差与多穗型差异不明显，内活动面日平均温度和日较差则显著大于多穗型小麦。
参考来源 - 超级小麦冠层结构与生态因子的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
对大穗型单株穗数的选择也不应忽视。
It is important to select number of heads per plant in big spike type breeding.
比较了大穗型和多穗型小麦品种的光合生理特性。
The photo biological characters of large spike and multi spike wheat cultivars were comparatively studied.
这些品种的最大特点是直立大穗型，生物产量高。
The most distinctive feature of the varieties is their erect heavy panicle and substantial biomass production.
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