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Phenotyping common beans for adaptation to drought
Efforts to improve common bean for drought tolerance are reviewed, referring to genetic diversity for drought response, the physiology of drought tolerance mechanisms, and breeding strategies.
Carbon storage by introduced deep-rooted grasses in the South American savannas
ESTIMATES of the global carbon dioxide balance have identified a substantial 'missing sink' of 0.44.3 Gt per year1. It has been suggested that much of this may reside in the terrestrial biosphere2.…
Biological nitrification inhibition (BNI)—is it a widespread phenomenon?
It is suggested that the BNI capacity could either be managed and/or introduced into pastures/crops with an expression of this phenomenon, via genetic improvement approaches that combine high productivity along with some capacity to regulate soil nitrification process.
Influence of Phosphorus Nutrition on Growth and Carbon Partitioning in Glycine max.
The results suggest that low-P treatment decreased soybean growth primarily through an effect on the expansion of the leaf surface which was diminished by 85%, the main effect oflow-P being on the rate of expansion of individual leaves.
Evidence for biological nitrification inhibition in Brachiaria pastures
- G. Subbarao, K. Nakahara, O. Ito
- Biology, MedicineProceedings of the National Academy of Sciences
- 13 October 2009
These findings provide direct evidence for the existence and active regulation of a nitrification inhibitor (or inhibitors) release from tropical pasture root systems, and could become a powerful strategy toward the development of low-nitrifying agronomic systems, benefiting both agriculture and the environment.
Selection for Drought Resistance in Common Bean Also Improves Yield in Phosphorus Limited and Favorable Environments
It is suggested that selection under drought stress reveals genes that correct inefficiencies inherited from the wild Phaseolus vulgaris, and are key to yield improvement of common bean.
Genetic improvement of common beans and the challenges of climate change.
Leaf phosphate status, photosynthesis, and carbon partitioning in sugar beet: I. Changes in growth, gas exchange, and calvin cycle enzymes.
The results suggest that high-P treatment affected photosynthetic rate through an effect on RuBP regeneration rather than through RuBPCase activity and that the changes in Calvin cycle enzymes with low-P resulted in an increased flow of carbon to starch.
Role of Physiology in Improving Crop Adaptation to Abiotic Stresses in the Tropics: The Case of Common Bean and Tropical Forages
- I. Rao
- Environmental Science
- 18 September 2001
7 Role of Phosphorus in Photosynthetic Carbon Metabolism