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Evaluation of certain rainfed food and oil seed crops for their response to elevated CO2 at vegetative stage

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Title Evaluation of certain rainfed food and oil seed crops for their response to elevated CO2 at vegetative stage
Evaluation of certain rainfed food and oil seed crops for their response to elevated CO2 at vegetative stage
 
Creator ICAR_CRIDA
 
Subject elevated carbon dioxide; food crops; oilseeds; total biomass; root/shoot ratio
 
Description Not Available
A study was conducted with two important rainfed food crops viz., sorghum (Sorghum bicolor L. Moench.) and
blackgram (Vigna mungo L. Happer) and two oil seed crops viz., sunflower (Helianthus annuus L.) and groundnut
(Arachis hypogaea L.) under two conditions viz., elevated CO2 (600 ppm) and ambient CO2 (365 ppm) in open
top chambers (OTCs). The observations were recorded at the vegetative stage at 7, 14, 21 and 30 days after sowing
(DAS). The results showed significant differences between crops, conditions and time intervals, as well as the single
and double order interactions for all the characters studied viz., total dry weight, stem dry weight, root dry weight,
leaf dry weight, shoot length, root length and leaf area. Total dry weight and its components viz., stem dry weight,
root dry weight and leaf dry weight along with leaf area showed a significant increase under enhanced CO2 conditions.
Among the four crops studied the overall results showed the highest response to elevated CO2 by blackgram
while the lowest response by sorghum.
Not Available
 
Date 2020-02-25T06:08:21Z
2020-02-25T06:08:21Z
2006
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/32570
 
Language English
 
Relation Not Available;
 
Publisher Maddi Vanaja, Jyothi lakshmi Narayana, Sushil Kumar Yadav, Maheswari Mandapaka, Bandi Venkateswarlu