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Physiological characterization of a phenotypically distinct jute (Corchorus olitorius) genotype

Published online by Cambridge University Press:  12 February 2007

P. Palit  and
J. H. Meshram
P. Palit*
Affiliation:
Plant Physiology Section, Central Research Institute for Jute and Allied Fibres, Indian Council of Agricultural Research, Barrackpore, Kolkata, 700 120, India
J. H. Meshram
Affiliation:
Plant Physiology Section, Central Research Institute for Jute and Allied Fibres, Indian Council of Agricultural Research, Barrackpore, Kolkata, 700 120, India
*
*Corresponding author: E-mail: palitpratip@yahoo.co.in
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Abstract

In a search for high-quality jute (Corchorus olitorius) fibre using phenotypic marker(s), a single plant from CRIJAF accession OIJ 154 was isolated on the basis of its unique red-tinted pale green stem, which becomes crimson red at maturity, and was given a code name, PPO4. Progenies from this selection bred true with respect to morphological characters. It has a slightly lower height at maturity, but has comparable yield and a higher harvest index when compared to the most popular high-yielding variety JRO 524. In spite of having lower chlorophyll per unit weight of leaf tissue, the photosynthetic rate per unit chlorophyll, the relative growth rate of PPO4 was higher than JRO 524. A composite analysis of quality parameters indicated that the genotype is of higher grade (between TD2 and TD3) with very fine (1.5 tex) fibre of high tensile strength (19.7 g/tex). The lignin content (ca 14%) of the fibre was also less than that of JRO524 (ca 17%) under standard assay conditions. This plant type, with distinct morphological markers, could be utilized in breeding programmes for the genetic improvement of jute.

Keywords

Corchorus olitoriusfibre qualityharvest indexjutelignin
Type
Research Article
Information
Plant Genetic Resources , Volume 2 , Issue 3 , December 2004 , pp. 175 - 180
Copyright
Copyright © NIAB 2004

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