Rambutan postharvest diseases in Thailand. [Workshop paper]
1994
Farungsang, U. | Sangchote, S. (Kasetsart Univ., Bangkok (Thailand). Dept. of Plant Pathology) | Farungsang, N. (Kasetsart Univ., Bangkok (Thailand). Central Lab. and Greenhouse Complex)
Mature rambutan fruits were collected from growing areas in the east and south of Thailand and stored at 13 deg. C or 25 deg. C for 17 days. Percentage of disease incidence at 13 deg. C was reduced and shelflife (as 50 percent of fruit remaining disease-free) was doubled as compared with 25 deg. C storage. The pathogenic fungi isolated from infected fruits were Colletotrichum gloeosporioides (two types), Gliocephalotrichum bulbilium, Lasiodiplodia theobromae, P estalotiopsis sp., Phomopsis sp. and Glomerella cingulata. The spectrum of the fungi varied with storage temperature. C. gloeosporioides and L. theobromae could severely infect other kinds of fruits. Chemical postharvest treatment gave unsatisfactory results in controlling disease. Further studies of biological control techniques for postharvest treatments are therefore warranted.
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