Salient Research Achievements

Programme III: Models for forewarning & forecasting

Pest Dynamics in Relation to Climate Change (target crops: Rice, Pigeonpea, and Groundnut & Tomato) under National Innovations in Climate Resilient Agriculture (NICRA)

Significant achievements  

  • ICT based Real Time Pest Dynamic (RTPD) studies for the four target crops viz., rice (7), pigeonpea (6), groundnut (5) and tomato (6)) across 10 agro-climatic zones from 12 agro ecological regions across 11 States were implemented for the sixth year.  Of the 24 study locations, twenty three and fifteen implemented kharif 2016 and rabi 2016-17pest surveillance plans, respectively.

  • Pest status vis a vis climatic variability was inferred for all study locations across for target crops through temporal analysis of pest dynamics with weather variability.

  • Documented the field level impact of climatic variability on gall midge, blackbug and parasitoid Tetrastichus on yellow stem borer at Aduthurai (TN), caseworm at Madhya (KA), stemborers at Ludhiana (PB) and panicle mite and false smut at Raipur (CG) on rice.

  • In pigeonpea, rainfall variability influencing jassids and Phytophthora at Kalaburgi (KA), emerging pest of pod wasp at Vamban (TN), decreasing Fusarium wilt at Warangal (TS) and sterility mosaic at S.K. Nagar (GJ) were brought out.

  • Increasing maximum temperature and decreasing/fluctuating minimum temperature resulting in increased thrips infestation on groundnut was established through comparative studies across Dharwad (KA), Jalgaon (MH), Kadiri (AP), Vridhachalam (TN), and Junagadh (GJ). Trends of early and late leaf spots of groundnut at Junagadh, jassids at jalgaon (N+MH) and leaf miner and Spodoptera litura at Vridhachalam (TN) were worked out for their status in relation to climatic variability.

  • Molecular characterisation of target spot and strains of leaf curl virus of tomato at Kalyani, first report of Tuta absoluta during January 2017 at Varanasi (UP), status of buck eye rot at Rajendranagar (TS), early blight at Bengaluru (KA) and identification of Fusarium solani causing root rot at Ludhiana (PB) were made on tomato.

  • Development of empirical model for SMD at Gujarat, early blight at Bengaluru and weather indices based algorithm for target leaf spot at Kalyani (WB) was done. Validation of rule based for rice insect pests and empirical models for major insect pests and diseases of all target crops were done for RTPD locations.

  • Hosted all the models on web as well as ‘PESTPREDICT’ mobile applications with QR codes vis a vis user manual

  • Developed insecticide and fungicide calculators as android applications for crops of rice, pigeonpea, groundnut and tomato

  • Projection of status of rice insect pests for future climate change periods were made which indicated differing severity at different agro climatic zones.

Forewarning of major crop pests on spatial scale for their integrated management- SAC-ISRO

Significant achievement  

  • Spectral data for rice crop has been collected using hand-held ASD Spectro-radiometer. Development of forewarning models for yellow stem borer for Rice at Cuttack has been initiated.  The process of mobile applications for dissemination of pest advisory has also been initiated. 

  • Developed and validated the forewarning models for mustard aphid for Bharatpur and Hisar at block level viz. crop age at first appearance of pests. Web-based system is ready for operational purpose for both the locations.

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