UC IPM Pest Management Guidelines: Pomegranate
Aspergillus rot infections begin most commonly in the orchard following rain during flowering and early fruit development. Pomagranates perform best in areas with hot, dry summers, which means northern gardeners in cooler regions with plentiful rainfall may find raising the tree a challenge. Aspergillus fruit rot (Aspergillus niger) is similar to Alternaria the fungus grows inside the flowering, growing Pomegranate fruits after rainfall. Quarantined Blue-Green Mold Penicillium expansum Non-Quarantined Dry Fruit Rot Nematospora coryli The fungus may grow inside the fruit without external symptoms, but external decay symptoms are more commonly seen with Aspergillus fruit rot than with Alternaria fruit rot. Thoroughly sort and grade pomegranates for discoloration and cracking to reduce the chance of packing diseased fruit. Black sporulation may also show on the rind and on the cracks of the fruit. Pomegranate fungal diseases are a common issue in plants grown in wet regions during the spring and early summer. Another occasional fungal issue is Cercospora fruit spot, which will not only cause black rotted spots on the outside of fruit but also compressed black areas on twigs and defoliation. has previously been reported in USA, Mexico (Farr et al ., 2007), and as a postharvest disease in Greece (Pantidou, 1973). No Pomegranates On Trees: How To Get A Pomegranate To Set Fruit, Why Pomegranate Blooms Fall: What To Do For Dropping Flowers On Pomegranate, Planting Pomegranate Trees: How To Grow A Pomegranate Tree From Seeds, Plant Donation Info: Giving Away Plants To Others, Easy Garden Gifts: Choosing Gifts For New Gardeners, Mixed Container With Succulents: Succulents For Thriller, Filler, and Spiller Designs, Identifying Scotch Thistle – Tips For Managing Scotch Thistle Plants, Plumeria Flower Fertilizer – When And How To Fertilize Plumeria, Caring For Camellias: Tips On Growing A Camellia Plant, Growing Etrog Citron: How To Grow An Etrog Tree, Recipes From The Garden: Pressure Cooking Root Vegetables, Gratitude For The Garden – Being Grateful For Each Growing Season, 7 Reasons To Do Your Garden Shopping Locally, Thankful Beyond Words – What Represents Gratefulness In My Garden. © 1996–2020 Statewide IPM Program, Agriculture and Natural Resources, University of California Regents of the University of California unless otherwise noted. Fruit skins become pale but not dramatically different. The rot was observed in Trivandrum in a consignment delivered from Bangalore. The disease is severe during August-September when there is high humidity, and the temperature between 20-27C. In the present investigation, the populations of Aspergillus and Penicillium s.l. Leaf-footed bugs can carry a fungal yeast that may cause arils to darken and wither. Control of fungal issues should start before the fruit develops in early spring and continue through summer as fruits mature. Alternaria fruit rot (also known as black heart) and Aspergillus fruit rot appear after rains as the flowers begin to open, and infect the internal portion of the pomegranate. and Cercospora sp. Fungal issues are part of growing pomegranate plants. Many of the exact causes of these diseases are not completely understood but fungicide use and proper cultivation of the plants can help the tree combat minor infestations. This is the first record of A. niger causing fruit rot of pomegranate. Aspergillus rot infections begin most commonly in the orchard following rain during flowering and early fruit development. It prefers tropical to sub-tropical regions but some varieties can tolerate temperate zones. - Dry fruit rot because it is reported as a stigmatomycosis disease in CA (Fawcett 1929). Because the fruit crown covers the blossom tissues, the use of preharvest sprays are generally ineffective. Pomegranates are fairly vigorous trees or shrubs which adapt well to regions that support citrus plants. Pathogens live on dead plant and fruit debris during the tree’s dormancy. It can actually cause a tree to die over time. The fungus can grow inside the fruit without external decay symptoms. There are many methods of treating pomegranate fruit diseases, so don’t despair and keep reading for some solutions. As the most concerning diseases in pomegranate, fungal issues can be the hardest to control. There are also varieties suited for semi-temperate zones but these need well-drained soil and protection from excess moisture. Adaskaveg, Plant Pathology, UC Riverside, T.J. Michailides, Kearney Agricultural Research and Extension Center, Parlier.
2020 aspergillus fruit rot in pomegranate