INDUCED CHLOROPHYLL AND MORPHOLOGICAL MUTATIONS IN MUNGBEAN (VIGNA RADIATA L. WILCZEK)

Article Id: ARCC2018 | Page : 41-45
Citation :- INDUCED CHLOROPHYLL AND MORPHOLOGICAL MUTATIONS IN MUNGBEAN (VIGNA RADIATA L. WILCZEK).Legume Research-An International Journal.2009.(32):41-45
Anand Kumar, Parmanand Parmhansh and Rajendra Prasad
Address : Department of Plant Breeding and Genetics, Rajendra Agricultural University, Pusa (Samastipur)-848 125, India

Abstract

Seeds (9% moisture content) of two mungbean varieties PS 16 and Sona were exposed to six
doses (10 to 60 KR) of gamma rays or treated with four concentration of ethyl methanesulphonate
(0.1 to 0.4%) alone or in various combination. A wide range of chlorophyll and morphological
mutants was observed in the M2. The range was greater with EMS than with gamma rays or combined treatments. The spectrum of chlorophyll mutations consisted of albina, chlorina, viridis and xantha. Of these chlorophyll mutations, xantha type was predominant in both the mutagenic treatments. Thespectrum and frequency of chlorophyll mutations increased with increase in doses or concentration of the mutagens. EMS produced the highest frequency of mutations followed by gamma rays or their combinations. The different types of morphological mutants were induced. The chlorophyll deficient and flower colour mutations are of hardly any economic importance, but the compact, dwarf, early, large pod size and synchronous maturity mutants are agronomically desirable which may be utilizedin future breeding programme

Keywords

Mungbean Mutation.

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