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  • Title: Identification of in situ flower volatiles from kiwifruit (Actinidia chinensis var. deliciosa) cultivars and their male pollenisers in a New Zealand orchard.
    Author: Twidle AM, Suckling DM, Seal AG, Fedrizzi B, Pilkington LI, Barker D.
    Journal: Phytochemistry; 2017 Sep; 141():61-69. PubMed ID: 28558268.
    Abstract:
    In situ flower volatiles from six kiwifruit cultivars (Actinidia chinensis var. deliciosa); 'Hayward', 'Chieftain', 'M56', 'Zes007' (Green11), 'M36', and 'M43' were collected by dynamic headspace sampling. Forty-five compounds were detected in the headspace of the flowers, with straight chain hydrocarbons and terpenes accounting for >98% of the volatiles emitted quantitatively across the six cultivars. Of these hydrocarbons, (3Z,6Z,9Z)-heptadecatriene is reported for the first time from a floral source while (8Z)-hexadecene and (9Z)-nonadecene are reported for the first time from kiwifruit flowers. All three hydrocarbons were verified by synthesis. Quantitative comparison of the six honey bee perceived compounds from the headspace of the cultivars showed that the males 'M36' and 'M43' closely matched the female cultivar Green11 that they are used to pollinate. Males 'M56' and 'Chieftain' were not as closely matched to the female cultivar 'Hayward' that they are used to pollinate. The male 'M56' in particular differed significantly from the female 'Hayward' in four of the six honey bee perceived compounds.
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