一粒系小麦是多倍体小麦染色体组的供体物种之一，是小麦的重要基础物种。

Einkorn wheat is the donor species of polyploidy wheat. It is one of the important basic species of Triticum.

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异代换系均生长旺盛，结实正常，说明异染色体能较好地补偿所缺失的小麦染色体。

Alien substitution lines are vigorous and fertile, indicating that the alien chromo-somes are able to compensate for the missing chromosomes.

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节节麦是普通小麦 D 染色体组的供体种。

Aegilops tauschii is D genome donor of common wheat.

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