Abstract
Summary As farmers increasingly adopt resource conserving farming practices, there is a need for wheat cultivars that better adapt to the changing environment and the nutritional needs of people, particularly those living in developing countries. Improved adaptation to zero and minimum tillage, better water use efficiency, improved root health, durable resistance to foliar diseases and enhanced nutritional value of the grain are key selection criteria for plant breeders. Significant responses to selection for these constraints have been achieved at the International Maize and Wheat Improvement Center (CIMMYT), by selecting segregating populations and advanced lines in carefully managed tillage, moisture deficit and heat stressed environments, that correlate with key spring wheat growing environments globally. Root health has been improved through a combination of marker assisted selection and disease bioassays, and the nutritional value of wheat grain has been enhanced using genetic variation for high Fe and Zn grain content found among tetraploid wheat ancestral species.
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Claims 3
Claim · model-written summary
Significant responses to selection for resource-conserving constraints were achieved at CIMMYT in carefully managed tillage, moisture deficit and heat stressed environments.
- Taxon
- wheat
Triticum aestivumt0 - Outcome
- responses to selectione0
- Setting
- carefully managed tillage, moisture deficit and heat stressed environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adapting wheat cultivars to resource conserving farming practices and human nutritional needs”
e0“Significant responses to selection for these constraints have been achieved at the International Maize and Wheat Improvement Center (CIMMYT), by selecting segregating populations and advanced lines in carefully managed tillage, moisture deficit and heat stressed environments”
Claim · model-written summary
Marker assisted selection combined with disease bioassays improved wheat root health.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- a combination of marker assisted selection and disease bioassayse1
- Outcome
- Root healthe1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adapting wheat cultivars to resource conserving farming practices and human nutritional needs”
e1“Root health has been improved through a combination of marker assisted selection and disease bioassays”
Claim · model-written summary
Genetic variation for high Fe and Zn grain content from tetraploid wheat ancestral species enhanced the nutritional value of wheat grain.
- Taxon
- wheatTriticum aestivumt0
- Material
- tetraploid wheat ancestral speciese2
- Organ / stage
- graine2
- Treatment
- genetic variation for high Fe and Zn grain contente2
- Outcome
- nutritional value of wheat graine2
- Direction
- enhancede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adapting wheat cultivars to resource conserving farming practices and human nutritional needs”
e2“the nutritional value of wheat grain has been enhanced using genetic variation for high Fe and Zn grain content found among tetraploid wheat ancestral species”
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