Listing of NARC Projects (Discipline-wise)

A. Varietal Development
A.1. Open Pollinated Varieties (OPVs)

  • Development of open pollinated full season maize for different production environments of Nepal (OPVs full season).
  • Development of early maturing maize varieties for terai and hills of Nepal.
  • Development of QPM varieties for terai and mid-hills of Nepal.
  • Development of maize genotypes under drought stress condition.
  • Utilization of local landraces for the development of maize varieties suitable for different production environments.
  • Development of maize varieties for Karnali region.
  • High value maize varieties development for Nepal.
  • Maintenance of released maize varieties for Nepal.
  • OPV’s/Synthetic varieties development/advancement

A.2. Hybrids

  • Performance of full season and hybrid maize variety throughout the year in Rampur, Chitwan.
  • Development and evaluation of inbred lines.
  • Seed increase of promising inbred lines by controlled pollination.
  • Characterize inbred lines and hybrids based on morpho-physiological traits.
  • Development of conventional (single cross) & non-conventional (top cross) hybrids.
  • Evaluation of crosses for similar agronomic traits.
  • Formation of synthetic population.
  • Evaluation of hybrids and synthetic population in Coordinated Varietal Trials (CVT).
  • Evaluation of hybrids under Coordinated Farmers Field Trials (FFT).
  • Carry out on station and on farm hybrid and synthetic seed production.
  • Open pollination of the selected lines in isolation
  • Evaluation of CIMMYT Hybrids
  • Evaluation of NMRP hybrids using PVS in hybrids growing pockets
  • Test cross or diallel cross for GCA and SCA and evaluation of crosses
  • Seed production of inbred lines
  • Seed production of two way cross hybrids
  • Seed production of three way cross hybrids
  • Hybrid seed production training to seed entrepreneurs
  • Multi-stakeholder’s visit to NMRP and hybrid growing areas
  • Source seed production of Rampur Hybrid-2
  • Multilocation testing of multinational company hybrids

B. Crop Management

  • Field experimentation in testing the performance of hybrids and OPV of maize under conventional tillage and no tillage with or without residue in Terai, Nepal.
  • Identification of best bet technology (nutrient management, plant densities, time of planting etc) on hybrids and OPVs of maize and their verification in Terai.
  • Performance studies of Conservation Agriculture (CA) under maize based system in Nepal.
  • Verification of best-bet CA based crop management practices under maize based system in Nepal.
  • Studies on various weed management methods in maize.
  • Water management studies in spring and rainy season maize.
  • Performance evaluation of manual and power operated corn shellers.
  • Studies on the intercropping of hybrid and OPV of maize with different legume species in Nepal.
  • Studies on the intercropping of maize and potato in Terai and hills.

C. Disease Management

  • Management of maize diseases through host resistance.
  • Score and screen the inbred lines and hybrids and composite against the major diseases and insects.
  • Development of grey leaf spot tolerant maize varieties

D. Insect paste management

  • Survey surveillance of Armyworm at different locations.
  • Life cycle study of armyworm at lab condition.
  • Mass rearing of Rice moth (Corcyra cephalonica) as host insect of Trichogramma
  • Laboratory rearing , maintenance of Trichogramma in lab and application of Trichogramma in seed production block at NMRP.
  • Establishment of botanical pesticide garden at NMRP, Rampur.
  • Management of storage pest through the use of indigenous botanical pesticides.
  • Evaluation of effect of packing materials and seed moisture content on storability of maize (Zea mays L.) seeds.

E. Soil fertility Management

  • Nutrient management for summer and spring season maize.
  • Enhancing soil phosphorus availability and P- uptake in maize based cropping system.
  • Assessment of soil fertility status of NMRP’s outreach research sites.
  • Updating the fertilizer dose for extra early, normal, and hybrid maize variety.
  • Variety cum fertilizer trial (VCFT) on improved maize genotypes on acid soils of Rampur.
  • Fertilizer management for pipeline inbreds of RML32 and RML17 , RML4, RML95 and RML96.
  • Testing and evaluation of precision technology in nitrogen management of maize.
  • Grain yield estimation of different maize varieties sown on different date using optical sensor (Green seeker crop sensor).

F. Outreach Research

  • Participatory varietal selection
  • Farmers acceptance test (FAT)
  • IRD and Minikit distribution of maize
  • Dissemination of maize varieties and technology through frontline demonstrations.
  • Verification and demonstration of intercropping of maize and rajma bean in the farmers field of Terai
  • Diamond trial on nutrient management for maize based cropping system
  • Survey and surveillance of maize insect pests in three outreach research sites of NMRP
  • Verification of farm machinery and crop establishment method in farmer’s field
  • Inter and intra regional OR tours by researchers and farmers
  • Publication of leaflets, booklets and brochures.
  • Three months farmers-scientist program (2 farmers) on maize seed production
  • SMS (research and extension) trainings

G. Source seed production

  • Breeder seed production of different maize varieties
  • Foundation seed production of different maize varieties
  • Foundation seed production of different rice varieties
  • Foundation seed production of different wheat and sunhemp varieties

Expected outputs:

  • Two promising winter maize hybrids will be identified
  • At least two heats tress resilient maize hybrids will be identified
  • Two maize genotypes each for GLS, BLSB, Turcicum, SLB, and stem borer resistant/tolerant will be identified;
  • At least one variety suitable for Karnali region will be identified; One OPV of maize for hills and one OPV of maize for Terai will be identified;
  • At least one appropriate plant density with respect to tillage practices on hybrid maize will be identified.
  • Best bet Conservation Agriculture under maize-based system identified.
  • Appropriate planting time for promising maize genotypes at Rampur condition will be identified.
  • Appropriate weed management practice for spring and summer season maize will be identified.
  • Appropriate fertilizer dose for full season hybrid and QPM will be identified.
  • Frequency of Nitrogen application of full season and Early maize will be identified;
  • Technology for enhancing availability of soil phosphorus on maize will be identified.
  • Extent and distribution pattern of Army worm incursion at Rampur will be identified
  • Eco-friendly maize stem borer management practice will be identified.
  • Appropriate maize storage pest management (bags + botanical products) will be identified.
  • Breeder seed-1 ton, Foundation seed-36 ton of maize; 20 ton, 4 ton, and 1 ton foundation seed of rice, wheat and sunn-hemp will be produced and marketed.