| Crop | Jack Fruit (Artocarpus heterophyllus) |
| Disease | Rhizopus Fruit Rot |
| Pathogen | Rhizopus atrocarpi |
| Group | Mucoromycota See Taxonomy |
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- Young fruits and male inflorescences are badly attacked by the fungus and only a small percentage of the fruits reach maturity.
- The disease is a soft rot. A large number of the affected fruits fan off early. In the first stage of attack ·the fungus appears as greyish growth with abundant mycelia which gradually becomes denser forming a black growth.
- The fungus gradually advances until the whole fruit or the entire inflorescence rots and falls off.
| Pathogen | Rhizopus atrocarpi |
| Mycelium | Coloured, coenocytic mycelium with rhizoids and tuft of sporangiophore with sporangia. |
| Asexual reproduction | Sporangia : ASEXUALC |
| Sexual reproduction | Zygospore : |
| Reproductive Structures | ||
| Mode | Spore | Fruiting Body |
| Asexual reproduction | Sporangia | Sporangium |
| Sexual reproduction | Zygospore | NO INFO. |
| Favorable Conditions | FAV |
| Primary spread | PRISPRD |
| Secondary spread | SECSPRD |
| Collateral Hosts | COHOST |
| Kingdom | Fungi |
| Division | Mucoromycota |
| Class | |
| Order | Mucorales |
| Family | Mucoraceae |
| Genus | Rhizopus |
| Species | R. atrocarpi |
- Spraying with Bordeaux mixture 1% or COC 0.25%
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