- To prevent the plants from bacterial, fungal, viral infections, cultivars resistant to diseases is developed which reduce the dependence on fungicide or insecticide.
- Fungi can cause brown rust of wheat, red rot of sugarcane, late blight of potato.
- Bacteria can cause black rot of crucifer.
- Virus can cause tobacco mosaic, turnip mosaic etc.
Method of breeding for disease resistant-
- Screening of germplasm for resistance sources.
- Hybridization of selected parent.
- Selection and evaluation of hybrids.
- Testing and release of new varieties.
Sl no.
|
Crop
|
Variety
|
Resistance to diseases
|
1
|
Wheat
|
Himgiri
|
Leaf and stripe rust, hill bunt
|
2
|
Brassica
|
Pusaswarnim
|
White rust
|
3
|
Cauliflower
|
Pusashubhra
|
Black rot and curl blight rot
|
4
|
Cow pea
|
Pusakomal
|
Bacterial blight
|
5
|
Chili
|
Pusasadabahar
|
Chily mosaic virus, tobacco mosaic virus and leaf curl.
|
