Influence of genotype, floral stage, and water stress on floral nectar yield and composition of mānuka (Leptospermum scoparium) | Zendy

Michael J. Clearwater | Zendy; Maria Revell | Zendy; Stevie Noe | Zendy; Merilyn ManleyHarris | Zendy

Open Access

Influence of genotype, floral stage, and water stress on floral nectar yield and composition of mānuka (Leptospermum scoparium)

Author(s) -

Michael J. Clearwater,

Maria Revell,

Stevie Noe,

Merilyn ManleyHarris

Publication year - 2017

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcx183

Subject(s) - nectar , biology , botany , sugar , pollinator , fructose , sucrose , horticulture , pollination , pollen , food science

Floral nectar can be variable in composition, influencing pollinator behaviour and the composition of honey derived from it. The non-peroxide antibacterial activity of mānuka (Leptospermum scoparium, Myrtaceae) honey results from the chemical conversion of the triose sugar dihydroxyacetone (DHA), after DHA accumulates for an unknown reason in the nectar. This study examined variation in nectar DHA, glucose, fructose and sucrose content with floral stage of development, between mānuka genotypes with differing flower morphology, and in response to water stress.

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