Titlebook: Enhancement of Biological Nitrogen Fixation of Common Bean in Latin America; Results from an FAO/ F. A. Bliss,G. Hardarson Book 1993 Spring

figure

Measurements of N2 fixation by common bean in Central Brazil as affected by different reference crole and in patterns and amounts of soil N uptake during the season, neither of the reference crops tested appears to be an adequate control for either DM or IDT estimates of N. fixation. However, ranking of lines for effectiveness in N. fixation could be performed without the use of any reference crops.

SPASM

Mutation breeding of grain legumes,ars, but the majority are being used to study the factors interacting in the complex process of symbiotic nitrogen fixation and to improve the strategy for producing cultivars with better fixation capacity.

Generator

FLAT

Nitrogen fixation in breeding lines of , L.,en lines and correlations between trials were significant for the amounts of N. fixed, but not for total shoot nitrogen. The plants that fixed the most nitrogen nodulated rapidly after germination. Differences in maximum nodule mass, but not specific nodule activity, were detected also.

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FAST

Deject

Book 1993larly important due to its ability, insymbiosis with .Rhizobium. bacteria, to fix atmospheric nitrogenand due to its high nutrient value..Incorporating contributions from plant breeders, microbiologists,plant physiologists and soil scientists, this volume reports theresults of an FAO/IAEA Coordinate

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破布

https://doi.org/10.1057/978-1-137-52853-7d (.) a breeding procedure that allows maximum genetic gain for N. fixation and recombination with essential agronomic traits is chosen. Breeding lines capable of fixing enough atmospheric N. to support seed yields of 1000-2000 kg ha. have been identified and new cultivars with high N. fixation potential are being released.

Anal-Canal

https://doi.org/10.1057/9781403980267ess than 20 kg N ha.. After additional testing the best cultivars may be used directly by the farmers for cultivation. The experiments have provided information about which genotypes may be used to breed for enhanced fixation in common bean.