Effects of carbon dioxide on control of anthracnose disease (Colletotrichum gloeosporioides) and fruit quality of Pansetong guava (Psidium guajava L. cv. Pansetong) | เธเธฅเธเธญเธเธเธฒเธฃเนเธเธญเธเนเธเธญเธญเธเนเธเธเนเธเนเธญเธเธฒเธฃเธเธงเธเธเธธเธกเนเธฃเธเนเธญเธเนเธเธฃเธเนเธเธช (Colletotrichum gloeosporioides) เนเธฅเธฐเธเธธเธเธ เธฒเธเธเธฅเธเธฃเธฑเนเธเธเธฑเธเธเธธเนเนเธเนเธเธชเธตเธเธญเธ (Psidium guajava L. cv. Pansetong)
2007
Manatchaya Rattanachot(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Plant Pathology) E-mail:b_o_w_8_2@hotmail.com, agrnpv@ku.ac.th | Niphon Visarathanonth(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Plant Pathology) | Somsiri Sangchote(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Plant Pathology) | Jingtair Siriphanich(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture. Department of Horticulture)
Carbon dioxide (CO2) in the closed system fumigation of Pansetong guava (Psidium guajava L.) at concentrations of 5 percent, 10 percent, 15 percent and 20 percent with exposure times 12 and 24 hours could inhibit anthracnose disease symptom development of the inoculated guava fruits with Colletotrichum gloeosporioides. More inhibition of symptom development was observed at 10 deg C than at room temperature (26-28 deg C) storage. Non-inoculated guava fruits treated with 20 percent CO2 at 12 and 24 hours fumigation time periods did not show any anthracnose disease incidence at both room temperature and 10 deg C storage. Increasing times of CO2 exposure decreased total acidity, but slightly changing total soluble solid content, ascorbic acid content and fruit firmness.
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