Evaluation of elite maize genotypes (Zea mays L.) for nutritional traits
2015
Naresh Thakur, Reena Kumari, Jay Prakash, J.K.Sharma, Nageshwar Singh and S. Lata
Micronutrients enrichment in the staple food crops is an utmost breeding goal to alleviate „hidden hunger‟. A set of forty eight maize (Zea mays L.) genotypes were evaluated for kernel iron (Fe), Zinc (Zn) and carotenoid concentration (β-carotene). The results revealed significant genetic variation among maize genotypes for Fe with values ranging from 22.59-41.03 mg/kg and a mean of 31.92 mg/kg. Whereas CM145 recorded highest kernel iron concentration (41.03 mg/kg) followed by CML193 (40.70 mg/kg) and KI-29 (39.75 mg/kg). For kernel Zn, range varied from 19.38-32.59 mg/kg with a mean of 24.80 mg/kg. The inbred CML169 recorded highest kernel Zn concentration (32.59 mg/kg) followed by CML193 (32.13 mg/kg) and CM152 (32.12 mg/kg). For kernel carotenoid range observed from 10.72-27.61 μg/g with a mean of 19.51 μg/g. The inbred CML162 recorded highest carotenoid concentration (27.09 μg/g) followed by Jaisinghpur Local (27.61 μg/g), BAJIM-06-01 (27.01 μg/g), Rato Makki2 (26.85 μg/g), LM-19-07 (26.57 μg/g) and BAJIM-08-26 (26.28 μg/g). These genotypes were identified as promising genotypes.
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