期刊
PEST MANAGEMENT SCIENCE
卷 79, 期 3, 页码 922-934出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/ps.7321
关键词
weed; endoferality; exoferality; de-domestication; hybridization; evolution; traits
Agricultural weeds descended from domesticated ancestors can rapidly acquire traits beneficial to agricultural habitats, either directly from crops or through crop-wild hybridization. Understanding the role of crops in the origin and evolution of agricultural weeds is crucial for developing effective weed management programs, minimizing crop losses, and assessing the risks of gene escape.
Agricultural weeds descended from domesticated ancestors, directly from crops (endoferality) and/or from crop-wild hybridization (exoferality), may have evolutionary advantages by rapidly acquiring traits pre-adapted to agricultural habitats. Understanding the role of crops on the origin and evolution of agricultural weeds is essential to develop more effective weed management programs, minimize crop losses due to weeds, and accurately assess the risks of cultivated genes escaping. In this review, we first describe relevant traits of weediness: shattering, seed dormancy, branching, early flowering and rapid growth, and their role in the feralization process. Furthermore, we discuss how the design of super-crops can affect weed evolution. We then searched for literature documenting cases of agricultural weeds descended from well-domesticated crops, and describe six case studies of feral weeds evolved from major crops: maize, radish, rapeseed, rice, sorghum, and sunflower. Further studies on the origin and evolution of feral weeds can improve our understanding of the physiological and genetic mechanisms underpinning the adaptation to agricultural habitats and may help to develop more effective weed-control practices and breeding better crops. (c) 2022 Society of Chemical Industry.
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