Accelerating Domestication: An Opportunity to Develop New Crop Ideotypes and Breeding Strategies Informed by Multiple Disciplines

Citation data:

Crop Science, ISSN: 1435-0653, Vol: 57, Issue: 3, Page: 1274-1284

Publication Year:
2017
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DOI:
10.2135/cropsci2016.10.0834
Author(s):
Van Tassel, David L., Albrecht, Kenneth A., Bever, James D., Boe, Arvid A., Brandvain, Yaniv, Crews, Timothy E., Gansberger, Markus, Gerstberger, Pedro, González-Paleo, Luciana, Hulke, Brent S., Kane, Nolan C., Johnson, Paul J., Pestsova, Elena G., Picasso Risso, Valentín D., Prasifka, Jarrad R., Ravetta, Damian A., Schlautman, Brandon, Sheaffer, Craig C., Smith, Kevin P., Speranza, Pablo R., Turner, M. Kathryn, Vilela, Alejandra E., von Gehren, Philipp, Wever, Christian Show More Hide
Publisher(s):
Crop Science Society of America
Tags:
Agricultural and Biological Sciences
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article description
Silphium perfoliatum L. (cup plant, silphie) and S. integrifolium Michx. (rosinweed, silflower) are in the same subfamily and tribe as sunflower (Helianthus annuus L.). Silphium perfoliatum has been grown in many countries as a forage or bioenergy crop with forage quality approaching that of alfalfa (Medicago sativa L.) and biomass yield close to maize (Zea mays L.) in some environments. Silphium integrifolium has large seeds with taste and oil quality similar to traditional oilseed sunflower. Silphium species are all long-lived, diploid perennials. Crops from this genus could improve the yield stability, soil, and biodiversity of agricultural landscapes because, in their wild state, they are deep rooted and support a wide diversity of pollinators. In contrast with premodern domestication, de novo domestication should be intentional and scientific. We have the luxury and obligation at this moment in history to expand the domestication ideotype from food and energy production to include (i) crop-driven ecosystem services important for sustainability, (ii) genetic diversity to enable breeding progress for centuries, (iii) natural adaptations and microbiome associations conferring resource use efficiency and stress tolerance, and (iv) improving domestication theory itself by monitoring genetic and ecophysiological changes from predomestication baselines. Achieving these goals rapidly will require the use of next-generation sequencing for marker development and an international, interdisciplinary team committed to collaboration and strategic planning.

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