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Altitudinal diversity in horsegram (Macrotyloma uniflorum (Lam.) Verdc.) landraces collected from Himalayan hill region

Published online by Cambridge University Press:  09 July 2010

Arun Gupta ,
Anuradha Bhartiya ,
Gyanendra Singh ,
Vinay Mahajan  and
J. C. Bhatt
Arun Gupta*
Affiliation:
Vivekananda Parvatiya Krishi Anusandhan Sansthan (ICAR), Almora 263 601, Uttarakhand, India
Anuradha Bhartiya
Affiliation:
Vivekananda Parvatiya Krishi Anusandhan Sansthan (ICAR), Almora 263 601, Uttarakhand, India
Gyanendra Singh
Affiliation:
Vivekananda Parvatiya Krishi Anusandhan Sansthan (ICAR), Almora 263 601, Uttarakhand, India
Vinay Mahajan
Affiliation:
Vivekananda Parvatiya Krishi Anusandhan Sansthan (ICAR), Almora 263 601, Uttarakhand, India
J. C. Bhatt
Affiliation:
Vivekananda Parvatiya Krishi Anusandhan Sansthan (ICAR), Almora 263 601, Uttarakhand, India
*
*Corresponding author. E-mail: [email protected]
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Abstract

A total of 54 horsegram landraces collected from three altitudinal zones (lower hills, mid hills and higher hills) of Himalayan region were characterized and evaluated for nine quantitative characters. Accessions collected from lower and higher hills were more diverse and differed significantly from mid hills accessions for characters viz., days to flowering, days to physiological maturity, plant height and grain yield per plant. The plotting of first and second principal component axes scores revealed that there was dispersion among the accessions collected from different altitudinal groups. It reveals a less variability among the landraces collected from same altitudinal group but high variability among the landraces collected from different altitudes. This suggests that the horsegram landraces are adapted to specific zone due to different selection pressure practiced by the farmers at different altitudes. Farmers in lower and higher hills select the landraces having high grain yield coupled with less reproductive phase duration and taller in nature.

Keywords

agro-morphological characterizationaltitudinal diversityHimalayan ecosystemhorsegramMacrotyloma uniflorummultivariate analysis
Type
Short Communication
Information
Plant Genetic Resources , Volume 8 , Issue 3 , December 2010 , pp. 214 - 216
Copyright
Copyright © NIAB 2010

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