Since this fungus mainly attacks fruit after harvest, the last fungicide spray prior to harvest should be one that includes Rhizopus rot on the label for stone fruit. * Symptoms A common fungal disease called Rhizopus Rot attacks jackfruit flowers and fruit. Managing Rhizopus Rot. Rhizopus stolonifer causing rot of jackfruit have been isolated and identified.. Rhizopus rot occurs primarily after harvest but may develop on ripe fruit in the garden. Introduction • Jackfruit is a common fruit in our country. 1. Sweet potatoes are susceptible to a number of diseases during the postharvest storage period and during shipping. • Two rhizobacteria inhibit pathogen growth remarkably both in vitro and in vivo.. First report of post harvest control of the rot by food grade lactic acid bacteria. However, controlling hail, birds, and insects may be at best difficult, if not impossible. Species of Rhizopus survive on debris in the soil when host plants are not present. Rot is more likely to occur in high-rainfall areas or during and after stormy periods. At ideal temperatures, the fungus will move rapidly through the fruit. Its scientific name is Artocarpus heterophyllus. Main Disease of the Jackfruit Rhizopus rot Gummosis disease Pink disease 5 6. It is recommended that in order to save your jackfruit, applications of a broad spectrum copper fungicide spray should be made, according to label directions, shortly after fruit set. Rhizopus Head Rot Management. Background. Most jackfruit are bagged in order to reduce attack from insects, but ideally these bags should be porous and should not allow moisture to build up next to the fruit as such conditions encourage the development of the fungal inoculums. Rhizopus head rot is directly linked to physical injury of heads, and as a consequence, anything that can be done to minimize head damage is important. Ideally, management of jackfruit rot needs to start in the orchard. The pathogen can produce the enzyme pectinase in appreciable amount. 30 R. Ghosh et al./Biological Control 83 (2015) 29–36 Bavistin and Blytone were used at different concentrations. When warm, humid, wet weather coincides with the flowering and fruiting season jackfruit can prematurely rot and fall off the tree. Spores are spread by wind and insects, and infection occurs only through wounds in ripe fruit. When warm, humid, wet weather coincides with the flowering and fruiting season, rhizopus rot can cause total loss of fruit in jackfruit trees. The disease is more likely to occur in high-rainfall areas or during and after stormy periods. The jackfruit also known as jack tree, jakfruit, or sometimes simply jack or jak. Rhizopus rot is a common fungal disease of jackfruit flowers and fruit. Rhizopus rot progression is temperature related, with optimum temperatures around 80°F. 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