Rambutan fruit rots and their chemical control
1985
Sirirat Sanyong
Rambutan fruits collected from 4 markets and one orchard location were left to become rotten. Isolation of the fungal pathogens from the rotten tissues revealed many fungi including Aspergillus niger group, Botryodiplodia theobromae Pat., Colletotrichum sp., Gliocephalotrichum bulbilium, Isolate 1, Gliocephalotrichum bulbilium, Isolate 2, Penicillium sp., Pestalotia sp., and Phomopsis sp. However, those fungi which were constantly associated with the rotten rambutan fruits and proved to be pathogenic were Colletotrichum sp., Botryodiplodia theobromae Pat., Gliocephalotrichum bulbilium, Isolate 1 and Gliocephalotrichum bulbilium, Isolate 2. Postharvest treatments of the rambutan fruits from the market showed that Benlate and Rovral were effective at 1,000 and 1,500 ppm. Field spray with Benlate and Rovral since flowering until harvest time resulted to longer shelf life of rambutans than the Botran and Tecto fungicides. Residues analysis of the treated rambutans by post harvest treatments were 0.057, 0.156, 0.125 and 0.823 ppm for Benlate, Botran, Rovral and Tecto, respectively. The sprayed fruits contained Benlate (0.144 ppm) and Tecto (0.0368 ppm)
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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