| Crop | Rice (Oryza sativa) |
| Disease | Sheath Rot |
| Pathogen | Sarocladium oryzae (Acrocylindrium oryzae) |
| Group | Fungi (Ascomycota) |
- The flag leaf sheath shows oblong or irregular spots with dark reddish brown margin with grey centre. They enlarge and coalesce, covering major portions of leaf sheath.
- Partial or complete choking of panicle occurs and results in chaffy and discolored grains.
- The panicles rot and abundant whitish powdery fungal growth is formed inside the flag leaf sheath.
| Pathogen | Sarocladium oryzae |
| Mycelium | Hyaline, Branched and Septate |
| Asexual reproduction | Conidia : Hyaline, single celled and cylindrical in shape |
| Sexual reproduction | No Info : No information |
| Reproductive Structures | ||
| Mode | Spore | Fruiting Body |
| Asexual reproduction | Conidia | NO INFO. |
| Sexual reproduction | NO INFO. | NO INFO. |
| Favorable Conditions | 25-30°C, Closer planting, high doses of nitrogen, high humidity. Injuries made by leaf folder, brown plant hopper and mites increases the infection. |
| Primary spread | Air-borne conidia |
| Secondary spread | Seed borne |
| Collateral Hosts | COHOST |
| Kingdom | Fungi |
| Phylum | Ascomycota |
| Class | Sordariomycetes |
| Subclass | Hypocreomycetidae |
| Order | Hypocreales |
| Family | Sarocladiaceae |
| Genus | Sarocladium |
| Species | S. oryzae |
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