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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(11): 483-493
DOI: https://doi.org/10.20546/ijcmas.2017.611.058


Exploitation of the Leaf Variants in CGMS System Derived from A2 Cytoplasm in Pigeonpea [Cajanus cajan (L.) Millsp.]
Mayur Gadekar1*, Milind Meshram2, Ashok Patil2 and Ravindra Nandanwar2
1Nimbkar Agricultural Research Institute, Phaltan, Maharashtra -415 523, India
2Department of Agricultural Botany and Pulses Research Station, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra - 444 104, India
*Corresponding author
Abstract:

In the present study, cytoplasmic male sterility derived from A2 cytoplasm of pigeonpea was combined with four leaf type agronomic backgrounds by using backcrossing programme These four leaf shapes were recessive in the expression against lanceolatus leaf shape. These naked eye polymorphic (NEP) markers will be useful for maintaining purity of hybrid seeds if coupled with cytoplasmic male sterility hence present investigation was conducted. In flower structure, keel petals were found open in Obcordifoliate leaf parent similar trait was transferred into respective CMS line, this trait will help in enhancing hybrid seed production and reduces its cost. Different hybrid combinations were made using new leaf type CMS and hybrids made by using obcordifoliate leaf showed highest seed yield over standard checks. Restorer lines used in the present study effectively restored the fertility new CMS lines. Performance of leaf type CMS in different hybrid combinations showed wide scope for utilizing these naked eye polymorphic (NEP) markers in future pigeonpea hybrid breeding program that will certainly help to maintain the genetic purity of CMS lines and quality of hybrid seed.


Keywords: Cytoplasmic Genetic Male Sterility (CGMS), Naked Eye Polymorphism (NEP), Diversification, Heterosis, Leaf types.
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How to cite this article:

Mayur Gadekar, Milind Meshram, Ashok Patil and Ravindra Nandanwar. 2017. Exploitation of the Leaf Variants in CGMS System Derived from A2 Cytoplasm in Pigeonpea [Cajanus cajan (L.) Millsp.].Int.J.Curr.Microbiol.App.Sci. 6(11): 483-493. doi: https://doi.org/10.20546/ijcmas.2017.611.058