Mutation breeding in chickpea : perspectives and prospects by M. Imran Kozgar

By M. Imran Kozgar

Examine on caused mutagenesis of pulses together with chickpea is much less universal in comparison to the single on cereals and henceforth the current paintings is pioneering within the box. The chickpea is without doubt one of the greatest grown pulse plants in India. the writer hopes that his e-book might help to increase reports on pulses, and within the long term, to lessen meals lack of confidence and malnutrition persisting in a number of constructing nations

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Extra resources for Mutation breeding in chickpea : perspectives and prospects for food security

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1: Total (pooled) frequency and spectrum of morphological mutants induced in M2 generation of chickpea. I. Mutants with altered plant height (i) Tall mutants: These mutants were observed at lower doses of single and combination treatments of gamma rays and EMS in both varieties. The mutants were considerably taller than the control plants, their height being 73-78 cm whereas it was 54-57 cm for the control plants. The pods and seed setting were low (Fig. 2-1). (ii) Dwarf mutants: These mutants were isolated from the higher doses of the mutagens in both the varieties except in combination treatments of gamma rays and EMS in the Pusa-256.

2-2). 44 Morphological Mutations Fig. 2: Morphological mutants (mutants with altered plant height and growth habit): 1. Tall mutant; 2. Dwarf mutant; 3. Bushy mutant; 4. Prostrate mutant (Photographs by M I Kozgar) Case Study 4 45 II. Mutants with altered growth habit (i) Compact/Bushy mutants: These mutants exhibited vigorous growth. Branches were short and the plant height was reduced giving it a bush like appearance. Yield per plant, more or less, was equal to the control plants. 40 cm. These mutants were isolated at higher doses of mutagens in both varieties (Fig.

EMS treatments proved to be more efficient in inducing pollen sterility than gamma rays, although detectable chromosomal abnormalities were less frequent with it. Sato and Gaul (1967) attributed the high pollen sterility and low frequency of meiotic abnormalities in case of EMS treatments of barley seed to small undetectable deletions or gene mutations. Results indicate that present pollen sterility was higher than percent meiotic abnormalities in both single and combined treatments. It seems that in addition to chromosomal aberrations, some genic and physiological changes might have caused sterility.

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