Frequent introgressions from diploid species contribute to the adaptation of the tetraploid Shepherd's purse (Capsella bursa-pastoris).

Abstract excerpt

Adaptation is the most important ability for organisms to survive in diverse habitats. Animals have the option to escape from stressful environments, but plants do not. In plants, polyploids consist of about 30%-70% angiosperms and 95% ferns, of which some are important crops such as cotton and wheat. How polyploid plants adapt to various habitats has been a fundamental question remained largely unanswered. The...

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