Abstract

The effects of sodium nitroprusside (SNP) treatment on the disease resistance and storage quality of citrus fruits were investigated through inoculation and storage. The results showed that SNP treatment could effectively reduce the disease incidence and lesion diameter of satsuma mandarin inoculated with Colletotrichum gloeosporioides Penz. during storage. Compared with control, weight lose rate degraded, but soluble protein, ascorbic acid (ASA), reducing sugar content and SSC/TA ratio increased in SNP treated fruits. 50 μmol•L-1 SNP treatment had the better effect than 30 and 100 μmol•L-1 SNP treatment.

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