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Reintroduction of Extra Short Duration Pigeonpea (ICPL 88039) in Rice-Wheat Systems of the Indo-Gangetic Plains: RWC Technical Bulletin No. 9.

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Title Reintroduction of Extra Short Duration Pigeonpea (ICPL 88039) in Rice-Wheat Systems of the Indo-Gangetic Plains: RWC Technical Bulletin No. 9.
 
Creator Pande, S
Gupta, R K
Dahiya, S S
Chauhan, Y S
Singh, S
Singh, U P
Jat, M L
Singh, S S
Sharma, H C
Rao, J N
Chandana, P
 
Subject Pigeonpea
 
Description Rice–wheat cropping systems (RWCS) are managed on 10 million ha in the Indo Gangetic Plains
(IGP) of India. Recent reports, however, indicate that the system is under fatigue and the growth
rate of rice and wheat has started declining. Natural resources, particularly soil and water, are
threatened because of their over exploitation. Water efficient legumes such as pigeonpea can play
an important role in reversing the process of degradation of soil and water resources, and improving
the production potential of RWCS.
Among legumes, pigeonpea [Cajanus cajan (L.) Millesp] has been an integral part of RWCS and
was widely grown in early sixties. However, agricultural polices of the Green Revolution era
beginning 1970 focused on increased production through the introduction of input-responsive
cultivars of rice and wheat, which not only replaced or marginalized the traditional long and short
duration cultivars of pigeonpea but also made them unsuitable even to be used as a break crop
in the existing RWCS. It is in this context that ICRISAT developed extra short duration pigeonpea
(ESDP) cultivar ICPL 88039. This genotype was evaluated along with traditional cultivars for its
suitability as a break crop to restore soil heath, and improve productivity of RWCS.

A large volume of literature is available on studies related to the beneficial effects of legumes
on the productivity of rice and wheat. In this bulletin, attempts have been made to briefly describe
the process and important findings of reintroducing pigeonpea, particularly ESDP genotype ICPL
88039 in the pigeonpea–wheat rotation by scientists from Indian Council of Agricultural Research
(ICAR), Rice–Wheat Consortium (RWC) of the Indo-Gangetic Plains, State Agricultural Universities
(SAUs) and International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in
partnership with farmers. Efforts were made to identify the constraints and opportunities in
growing ICPL 88039 in rotation with wheat for its long term sustainability and resource
conservation in RWCS in the IGP. This technical bulletin provides information on the abiotic, biotic
and socio-economical constraints that can limit ICPL 88039 production in the RWCS. Color
photographs are included to facilitate identification of insect and diseases. A package of practices
for ICPL 88039 is also included for use of the farmers, researchers and scientists.
 
Publisher RWC-ICRISAT
 
Date 2006
 
Type Monograph
NonPeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/2121/1/Reintroduction_of_extra_short_duration_pigeonpea_%28ICPL_88039%29_in_rice-wheat_systems_of_the_indo-gangetic_plains.pdf
Pande, S and Gupta, R K and Dahiya, S S and Chauhan, Y S and Singh, S and Singh, U P and Jat, M L and Singh, S S and Sharma, H C and Rao, J N and Chandana, P (2006) Reintroduction of Extra Short Duration Pigeonpea (ICPL 88039) in Rice-Wheat Systems of the Indo-Gangetic Plains: RWC Technical Bulletin No. 9. Technical Report. RWC-ICRISAT, NASC Complex Pusa, New Delhi.