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- Title
GENOTYPIC DIVERSITY OF TRAITS RELATED TO NITROGEN FIXATION IN VALENCIA PEANUT GERMPLASM.
- Authors
MAHAKOSEE, S.; JOGLOY, S.; VORASOOT, N.; SURIHARN, B.; PUPPALA, N.; PATANOTHAI, A.
- Abstract
Peanut can fix atmospheric nitrogen by symbiotic relationship with cowpea-type of rhizobium. Traits related to nitrogen fixation may be useful as select criteria for high nitrogen fixation. Thus the objective of this study was to evaluate 130 accessions of Valencia peanut for traits related to nitrogen fixation including nodule dry weight, biomass and harvest index. The new germplasm of 125 Valencia peanut accessions from New Mexico State University and International Crops Research Institute for Semi-Arid-Tropics (ICRISAT) and the 4 varieties commercially available peanut of Thailand consisting of 3 Valencia peanuts, 1 Spanish and 1 Virginia were planted in randomize complete block design (RCBD) with 4 replications during February to June 2012 and 2013. Nodule dry weight ranged from 0.16 to 0.56 g plant-1 with mean of 0.31 g plant-1, and biomass productions ranged from 58.38 to 97.45 g plant-1 with mean value of 74.56 g plant-1. Pod yields showed a wide range from 15.00 to 35.84 g plant-1 with mean value of 24.39 g plant-1, whereas harvest index values ranged from 0.23 to 0.45 with mean value of 0.33. Base on traits related to nitrogen fixation (nodule dry weight, biomass and harvest index), peanut accessions were separated into 4 groups.
- Subjects
NITROGEN fixation; PEANUTS; ATMOSPHERIC nitrogen; BIOMASS production; NEW Mexico State University
- Publication
SABRAO Journal of Breeding & Genetics, 2015, Vol 47, Issue 4, p493
- ISSN
1029-7073
- Publication type
Article