Rice root nematode, Hirschmanniella oryzae, H. mucronata
Sympto ms
- Infested roots show discoloration and partially hollow.
- Feeding adversely affects absorption of water and nutrients.
- Plants show stunted growth in patches.
- Reduced on tillers
Management
- Nursery treatment with carbofuran at 175 g / cent nursery and 33 kg/ha in main field.
- Pseudomonas fluorescens as seed treatment (10g/kg seed), seedling root dip(1.5kg/ha) and Soil application @ 2.5 kg/ha in main field