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Interception of photosynthetically active radiation and its utilization by chickpea varieties under irrigated and water stress conditions

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Title Interception of photosynthetically active radiation and its utilization by chickpea varieties under irrigated and water stress conditions
Not Available
 
Creator T.D. Lama
P.S. Deshmukh
N.V.K. Chakravarthy
 
Subject Biomass production, chickpea, radiation interception, radiation utilization efficiency, water stress
 
Description Not Available
Field experiments were conducted at IARI, New Delhi to study the interception of photosynthetically active radiation and utilization in six varieties of chickpea viz., Amethyst, Annegiri, BG-362, ICC-4958, K-850 and Tyson. Among the varieties, BG-362, K-850 and Annegiri intercepted higher percentage of photosynthetically active radiation (PAR) as compared to the other three varieties under both irrigated and unirrigated conditions at the maximum leaf area index (LAI) stage. The intercepted photosynthetically active radiation (IPAR) was closely related to the biomass production. The R2 values for the regression equations between IPAR and biomass revealed that IPAR accounted for 90 to 93 per cent of the variation in biomass production in chickpea. Both IPAR and radiation use efficiency (RUE) were reduced under unirrigated conditions. However, the reduction in RUE was relatively less in Annegiri. K-850 and ICC-4958 suggesting that it has a role to play for increasing the productivity of chickpea in rainfed areas.
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Date 2019-12-04T04:06:41Z
2019-12-04T04:06:41Z
2003-12-01
 
Type Journal
 
Identifier Lama, T. D., Deshmukh, P. S. and Chakravarty, N. V. K. 2003. Interception of photosynthetically active radiation and its utilization by chickpea varieties under irrigated and water stress conditions. Indian Journal of Plant Physiology. 8(4): 388-391.
0019-5502
http://krishi.icar.gov.in/jspui/handle/123456789/26811
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Plant Physiologists