(2) it was difficult to obtain alien disomic addition lines from alien monosomic and double monosomic additions;
(2)在建-冰草异源二附加系的研究中,异源双附加系并非好的基础材料;
(2) it was difficult to obtain alien disomic addition lines from alien monosomic and double monosomic additions;
(2)在建-冰草异源二附加系的研究中,异源双附加系并非好的基础材料;
(2)在建-冰草异源二附加系的研究中,异源双附加系并非好的基础材料;
(2) it was difficult to obtain alien disomic addition lines from alien monosomic and double monosomic additions;
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