Kan suksa withi kanprapprung khunnaphap khong mankhut phua kan song-ok.
1987
Wallapa Dhirabhava | Warunee Premanoch | Chaiwat Kratureuk
The experiment was done at Plue Horticultural Experiment Station, Chantaburi Province. Carbaryl 30 g/201, carbaryl + benomyl 10 g/201 and carbaryl + thiabendazole 15 g/201 were sprayed onto mangosteen trees from flowering stage to harvesting time at 14 day-intervals. Mangosteen fruits were harvested by harvesting equipment and packed in retail cartons wrapped with PVDC. Fruits from sprayed trees showed less damage of insect injuries and gum drops on the fruit surface but not significantly different from the unsprayed ones. After two weeks storage at 17-18 degree celsius, 90-92 % R.H., no significant difference between fruits from sprayed and unsprayed trees in the case of fruit rot, translucent flesh and gum deposit inside the fruits were seen. Fruits harvested by harvesting equipment had low percentage of fruit rot compared to those which dropped onto the ground. The results showed highly significant differences in statistics. Weight loss of fruits in the PVDC wrapped cartons was less than the unwrapped ones and that made the fruits looked fresh and nice. Further studies should be done specifically on the kind of plastic film which is suitable for fruit wrapping.
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