Monday, 31 July 2023

Induced Mutations a Tool to Creat New Variations: A Case Study of M3 Generation of Green Gram [Vigna radiata (L.) R. Wilczek] | Chapter 8 | Emerging Issues in Agricultural Sciences Vol. 6

 The objective of inferred mutations direct or indirect search out create new alternatives in the crops where it does not exist spontaneously. Especially in the self-pollinated crops i.e. most of the cereals, and legumes. Therefore, present in this record of what happened we have presented metamorphosis breeding used to encourage quantitative variability in M3 production of green gram of two wonderful variety GM-4 and Meha in consideration of study effect various cancer-causing agent and for the estimation of genetic instability parameters like GCV, PCV, Heritability and Genetic advance portion of mean for characters like as source yield per plant and chlorophyll content. The analysis of difference in M3 generation for offspring within family recorded highly meaningful difference for plant climax and chlorophyll content for majority of progenies. For all types, phenotypic coefficient of alternative was higher than genotypic coefficient of difference indicating that skilled was environmental influence on these characteristics.The Field experiment was conducted at Instructional Farm, COA, Junagadh Agricultural University, Junagadh all along the Summer-2015. The experimental material comprised M2 derived M3 seeds of sixty-six M3 offspring lines (64 mutant + 2 controls). The offspring lines were selected on the base of yield and its befriended characters from M2 generation. Each offspring line is an individual’s plant seed.Experimental completed activity to study the effect of mutation of M2 derivative M3 seeds for miscellaneous characters. M2 production consists of two base varieties (GM-4 and meha) and two base mutagens (gamma beams and EMS). The analysis of difference between offspring revealed that offspring differed considerably for chlorophyll content while non-significant for seed yield per plant. GCV and PCV were taller in all the mutagenic classification with respect to control for two together the characters in addition to for both the variety.  The phenotypic cooperative of variation for two together characters was degree the genotypic coefficient of alternative, showing that these looks were influenced by the surroundings. All of the mutagenic families displayed increased heritability, and larger genetic progress was also visualized. The results for heritability were pooled, and it was clear that these traits were ruled by additive hereditary effects likely the high estimates of heritability and hereditary advance that were scored for sources per plant.Mutagenic progenies with additive deoxyribonucleic acid effect can be picked for improvement of attractive traits in mungbean. Outcome of the investigation can be secondhand directly as a sort or parental lines for future combination programme, as majority of offspring lines showed uniformity for most of the characters and induced mutagenesis plays an main role in bettering of crops like green gram.

Author(s) Details:

D. K. Ahir,
Department of Genetics and Plant Breeding, Junagadh Agricultural University, Junagadh–362 001, Gujarat, India.

Rajiv Kumar,
Department of Genetics and Plant Breeding, Junagadh Agricultural University, Junagadh–362 001, Gujarat, India.

C. P. Chetariya,
Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Punjab-144411, India.

Vidushi Upadhyay,
Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Punjab-144411, India.

Abhishek Pandey,
Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Punjab-144411, India.

Alamuru Krishna Chaitanya,
Plant Sciences and Crop Health, University of Sothern Queensland, Australia.

Please see the link here: https://stm.bookpi.org/EIAS-V6/article/view/11424

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