Ideally, management of jackfruit rot needs to start in the orchard. When warm, humid, wet weather coincides with the flowering and fruiting season, rhizopus rot can cause total loss of fruit in jackfruit trees. [Credits: pestnet.org; Flickr.com] A common fungal disease called Rhizopus Rot attacks jackfruit flowers and fruit. Sweet potatoes are susceptible to a number of diseases during the postharvest storage period and during shipping. 4 5. Introduction • Jackfruit is a common fruit in our country. When warm, humid, wet weather coincides with the flowering and fruiting season jackfruit can prematurely rot and fall off the tree. The most common are Rhizopus soft rot (Rhizopus stolonifer), bacterial soft rot (Erwinia chrysanthemii), Fusarium root rot (Fusarium solani), Fusarium surface rot (Fusarium oxysporum), and black rot (Ceratocystis fimbriata).R. Rhizopus … * Symptoms Species of Rhizopus survive on debris in the soil when host plants are not present. The disease is more likely to occur in high-rainfall areas or during and after stormy periods. 30 R. Ghosh et al./Biological Control 83 (2015) 29–36 Bavistin and Blytone were used at different concentrations. Rhizopus fruit rot of jackfruit: (A) infected fruit; (B) infected male flower. Managing Rhizopus Rot. Rhizopus rot progression is temperature related, with optimum temperatures around 80°F. Rhizopus Head Rot Management. The jackfruit also known as jack tree, jakfruit, or sometimes simply jack or jak. Background. The pathogen can produce the enzyme pectinase in appreciable amount. 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. At ideal temperatures, the fungus will move rapidly through the fruit. 1. Rhizopus stolonifer causing rot of jackfruit have been isolated and identified.. 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. Spores are spread by wind and insects, and infection occurs only through wounds in ripe fruit. Main Disease of the Jackfruit Rhizopus rot Gummosis disease Pink disease 5 6. • 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. 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. Its scientific name is Artocarpus heterophyllus. However, controlling hail, birds, and insects may be at best difficult, if not impossible. Managing Rhizopus Rot of Jackfruit. This is as a result of Rhizopus rot which is common in jackfruit. 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