Abstract
ABSTRACTThe ripe fruit of Pyrus ussuriensis ‘Nanguoli’ is favoured by people for its attractive colour, exquisite flesh and pleasant flavour. However, its flavour is negatively affected by early harvest. Therefore, this study aimed to determine whether exogenous methyl jasmonate (MJ) can help to regulate aromatic volatiles biosynthesis in pre-climacteric ‘Nanguoli’ fruit at different maturity stages (135 days after full bloom (DAFB) or ‘early harvested’ and 145 DAFB or ‘normal harvested’). MJ promoted aromatic volatile biosynthesis in normal harvested fruit, with the number of volatile compounds increasing from 43 in untreated fruit to 51 and 57 in fruit that had been treated with 1 and 5 mM MJ, respectively. By contrast, MJ had little effect on early harvested fruit, which exhibited an increase from 41 to 49 and 44 volatile compounds following treatment with 1 and 5 mM MJ, respectively. The total content of aromatic volatiles also increased by 53.75% and 66.82% in normal harvested fruit treated with 1 an...
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More From: New Zealand Journal of Crop and Horticultural Science
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