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Rice Mealybug (Brevennia rehi):A Potential Threat to Rice in a Long-Term Rice-Based Conservation Agriculture System in the Middle Indo-Gangetic Plain


Affiliations
1 ICAR Research Complex for Eastern Region, Patna 800 014, India
2 International Maize and Wheat Improvement Centre (CIMMYT), South Asia Regional Office, Patna 800 014, India
3 ICAR Research Complex for Eastern Region, Research Centre, Ranchi 834 010, India
 

The middle Indo-Gangetic Plain (MIGP) of India covering eastern Uttar Pradesh and Bihar is endowed with rich and diverse natural resources (land, water and environment), but low productivity and income. Rice-based cropping systems have maximum coverage of net sown area (9.64 m ha) in the MIGP1. Wheat, mustard, potato, maize and pulses are the major crops grown in rotation with rice. Rice–wheat system is extensively practised by the farmers of the region. This system requires high inputs in terms of machinery, nutrients, water and agro-chemicals. Unlike the northwestern part of the IGP (Trans and Upper IGP), the rice–wheat system of the MIGPs are less mechanized/labour-intensive due to small and fragmented land holdings and resource-poor farmers2. The total factor productivity index of the crops was reported to decline from 1.4% in Trans IGP to 0.43% in the MIGP2. Thus, the technological innovations along with socio-economic and policy reforms are the major challenges to sustain increase in productivity of ricebased production systems in the MIGP. There is a need to develop technologies for sustainable intensification and diversification of the rice–wheat system, including tillage and crop establishment options.
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  • Rice Mealybug (Brevennia rehi):A Potential Threat to Rice in a Long-Term Rice-Based Conservation Agriculture System in the Middle Indo-Gangetic Plain

Abstract Views: 405  |  PDF Views: 151

Authors

J. S. Mishra
ICAR Research Complex for Eastern Region, Patna 800 014, India
S. P. Poonia
International Maize and Wheat Improvement Centre (CIMMYT), South Asia Regional Office, Patna 800 014, India
J. S. Choudhary
ICAR Research Complex for Eastern Region, Research Centre, Ranchi 834 010, India
Rakesh Kumar
ICAR Research Complex for Eastern Region, Patna 800 014, India
Md. Monobrullah
ICAR Research Complex for Eastern Region, Patna 800 014, India
Mausam Verma
ICAR Research Complex for Eastern Region, Patna 800 014, India
R. K. Malik
International Maize and Wheat Improvement Centre (CIMMYT), South Asia Regional Office, Patna 800 014, India
B. P. Bhatt
ICAR Research Complex for Eastern Region, Patna 800 014, India

Abstract


The middle Indo-Gangetic Plain (MIGP) of India covering eastern Uttar Pradesh and Bihar is endowed with rich and diverse natural resources (land, water and environment), but low productivity and income. Rice-based cropping systems have maximum coverage of net sown area (9.64 m ha) in the MIGP1. Wheat, mustard, potato, maize and pulses are the major crops grown in rotation with rice. Rice–wheat system is extensively practised by the farmers of the region. This system requires high inputs in terms of machinery, nutrients, water and agro-chemicals. Unlike the northwestern part of the IGP (Trans and Upper IGP), the rice–wheat system of the MIGPs are less mechanized/labour-intensive due to small and fragmented land holdings and resource-poor farmers2. The total factor productivity index of the crops was reported to decline from 1.4% in Trans IGP to 0.43% in the MIGP2. Thus, the technological innovations along with socio-economic and policy reforms are the major challenges to sustain increase in productivity of ricebased production systems in the MIGP. There is a need to develop technologies for sustainable intensification and diversification of the rice–wheat system, including tillage and crop establishment options.

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DOI: https://doi.org/10.18520/cs%2Fv117%2Fi4%2F566-568