Learn about the comparison among Puccinia Graminis, Puccinia Recondita and Puccinia Striiformis.
Comparison # Puccinia Graminis:
1. Puccinia Graminis appears in last week of November in South India and in March in North India.
2. Infected region of Puccinia Graminis is mainly stem, then leaf sheath, leaf blade and ear.
3. In Puccinia Graminis, Uredosori are large elongated, dark brown to rusted in colour. Oval, brown, thick walled with 4-round equatorial germ pores. Available mainly on stem, elongated and black in colour.
4. Uredospore in Puccinia Graminis is oval, brown, thick walled with4-round equatorial germ pores.
5. In Puccinia Graminis, teleutosorus is available mainly on stem, elongated and black in colour. Burst on maturity.
6. In Puccinia Graminis, teleutospore is 2-celled, chestnut brown to black in colour, thick walled with very thick round or pointed apex.
7. Alternate hosts of Puccinia Graminis are Berberis vulgaris, Mahonia sp. and Mahoberberis sp.
8. Collateral hosts of Puccinia graminis are Bromus japonicus, B. mollis, B. patulus, Hordeum murimum, Lolium prenne, Aegilops squarrosa, etc.
Comparison # Puccinia Recondita:
1. Puccinia Recondita appears in January in Eastern and Northern India.
2. Infected region of Puccinia Recondita is mainly leaf, rarely leaf sheath and stem.
3. In Puccinia Recondita, Uredosori are small round to oval, bright orange in colour.
4. Uredospore in Puccinia Recondita is oval or round, bright orange with 7-10 scattered germ pores.
5. In Puccinia Recondita, teleutosorus develops rarely; if present, they are confined to the lower surface of the leaf and black in colour. Do not burst.
6. In Puccinia Recondita, teleutospore is 2-celled, dull black in colour, thick walled with flattened and less thick at the apex.
7. Alternate hosts of Puccinia Recondita is Thalictrum falvum, Isopyrum fumarioides, Clematis spp., Anchusa spp.
8. Collateral hosts of Puccinia Recondita are Bromus japonicus, B. catharticus, Horedeum murinum, etc.
Comparison # Puccinia Striiformis:
1. Puccinia Striiformis appears in January to February in Eastern and Northern India.
2. Infected region of Puccinia Striiformis is mainly leaf but in severe cases leaf-sheath, stem and also ears.
3. In Puccinia Striiformis, Uredosori are small round to oval, lemon- yellow in colour.
4. In Puccinia Striiformis, uredospore is oval to spherical, yellow, with 6-16 scattered germ pores.
5. In Puccinia Striiformis, teleutosorus is confined to lower surface of the leaf, elongated and black. Do not burst.
6. In Puccinia Striiformis, teleutospore is 2-celled, dark-brown in colour, thick-walled with flattened and less thick at the apex.
7. Alternate hosts of Puccinia Striiformis are Muehlenbeckia hugeli.
8. Collaterla hosts of Puccinia Striiformis are Aegilops sp.