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A Pot Technique to Screen Pigeonpea Cultivars for Resistance to Waterlogging

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Relation http://oar.icrisat.org/5034/
http://dx.doi.org/10.1111/j.1439-037X.1997.tb00487.x
 
Title A Pot Technique to Screen Pigeonpea Cultivars for Resistance to Waterlogging
 
Creator Chauhan, Y S
Silim, S N
Rao, J V D K K
Johansen, C
 
Subject Pigeonpea
 
Description To develop a preliminary screening procedure for waterlogging resistance, a waterlogging resistant ICP 8379 and a waterlogging susceptible cultivar ICP 7035 were grown i n pots using different growth media and subjected to 6 days of waterlogging. Waterlogging caused a significant reduction in root dry mass of both cultivars which was greater in ICP 7035 than tn ICP 8379, The reduction i n shoot dry mass was comparatively small. The most conspicuous differences between the two cultivars occurred in terms of plant survival. In different soil treatments, ICP S379 showed 0–38 % mortality and ICP 7035 showed 63–100% mortality. The variation in mortality occurred in response to differences in growth medium. Using the growth medium that gave maximum differences, eight additional cultivars were compared along with ICP 7035 and JCP 8379. Significant differences m plant mortality among different cultivars were observed, A number of cultivars showed similar low mortality as ICP 8379, Therefore, there appears to be a potential t o use this method for preliminary screening of a large number of pigeonpea cultivars for waterlogging resistance.
 
Publisher Blackwell Publishing
 
Date 1997
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/5034/1/JA%202010.pdf
Chauhan, Y S and Silim, S N and Rao, J V D K K and Johansen, C (1997) A Pot Technique to Screen Pigeonpea Cultivars for Resistance to Waterlogging. Journal Of Agronomy And Crop Science, 178 (3). pp. 179-183. ISSN 0931-2250