Abstract. Mango suffers from several diseases at all stages of its life. Anthracnose, caused by the fungus
Colletotrichum gleosporioides is the most important post harvest disease of mango. The effect of various
concentrations of chitosan solution on the mycelium growth and spore germination of Colletotrichum
gloeosporioides (Penz.) the causal agent of anthracnose disease of mango fruits was studied under vitro conditions.
Chitosan solution at 0.6mg/l obtained significantly reduction of C. gloeosporioides growth and inhibited spore
germination, while, chitosan solution at 0.8mg/l resulted a complete reduction and inhibition of fungal mycelium
growth and spore germination. Meanwhile, coating mango fruits with 0.2 and 0.4% (w/v) chitosan solution obtained
a highly protective effect against anthracnose disease incidence of mango fruits, by 98.1% and 95.4% after 30 days
of storage, respectively. At the same treatments were reducing the percentage of fruit rotted tissues by 89.3 and
95.0%, respectively. The results of this study showed that chitosan was a alternative safe coating method for prevent
mango fruits against anthracnose disease which causes economic losses during transportation, marketing and
storage. [Journal of American Science. 2010;6(8):361-367]. (ISSN: 1545-1003).
Abstract. Mango suffers from several diseases at all stages of its life. Anthracnose, caused by the fungusColletotrichum gleosporioides is the most important post harvest disease of mango. The effect of variousconcentrations of chitosan solution on the mycelium growth and spore germination of Colletotrichumgloeosporioides (Penz.) the causal agent of anthracnose disease of mango fruits was studied under vitro conditions.Chitosan solution at 0.6mg/l obtained significantly reduction of C. gloeosporioides growth and inhibited sporegermination, while, chitosan solution at 0.8mg/l resulted a complete reduction and inhibition of fungal myceliumgrowth and spore germination. Meanwhile, coating mango fruits with 0.2 and 0.4% (w/v) chitosan solution obtaineda highly protective effect against anthracnose disease incidence of mango fruits, by 98.1% and 95.4% after 30 daysof storage, respectively. At the same treatments were reducing the percentage of fruit rotted tissues by 89.3 and95.0%, respectively. The results of this study showed that chitosan was a alternative safe coating method for preventmango fruits against anthracnose disease which causes economic losses during transportation, marketing andstorage. [Journal of American Science. 2010;6(8):361-367]. (ISSN: 1545-1003).
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