Indian Journal of Agricultural Research

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Research Article

Indian Journal of Agricultural Research, volume 49 issue 5 (october 2015) : 476-478

Assessment of genetic divergence in diverse maize (Zea mays L.) genotypes

Radheshyam Sharma, S. R. Maloo, Arunabh Joshi, Sharda Choudhary
1Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur-313001, Rajasthan, India .
Cite article:- Sharma Radheshyam, Maloo R. S., Joshi Arunabh, Choudhary Sharda (2024). Assessment of genetic divergence in diverse maize (Zea mays L.) genotypes. Indian Journal of Agricultural Research. 49(5): 476-478. doi: 10.18805/ijare.v49i5.5816.

ABSTRACT

Genetic divergence assessed in twenty diverse genotypes of maize (Zea mays L.) using D2 statistics for eleven characters enabled grouping of all the genotypes in five clusters. Test weight, leaf number, harvest index, days to 50 percent flowering and plant height were the major contributors for genetic diversity among the genotypes. Cluster II was the largest contained 6 genotypes followed by cluster III which possessed 5 genotypes. The cluster I, V and IV possessed 4, 3 and 2 genotypes, respectively. Each cluster has different types of genotypes irrespective to their nature of genetic make up belonging to hybrids, composites and land races. The cluster III exhibited maximum intra-cluster distance (30.92), while maximum inter-cluster distance was noted between cluster I and III (91.55).

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