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Freezing in oil-seed Brassica spp.: some factors affecting injury

Published online by Cambridge University Press:  27 March 2009

A. K. Dhawan
A. K. Dhawan
Affiliation:
Oilseeds Section, Department of Plant Breeding, Haryana Agricultural UniversityHisar, India
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Summary

Involvement of plant genotype, stage of development of plant and seed, fertilizer and irrigation in frost tolerance of oil-seed Brassica spp. were examined. The number of apparently frost-killed or undeveloped seeds has been used to assess tolerance. Three B. campestris L. genotypes namely Span, Torch and Bell showed considerable tolerance of frost. Very young and also nearly mature seeds were less affected by freezing than seeds at an intermediate stage of development. The amount of nitrogen fertilizer applied had no effect, but the unirrigated orop was injured by frost more than the irrigated one.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 104 , Issue 3 , June 1985 , pp. 513 - 518
Copyright
Copyright © Cambridge University Press 1985

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