Work

Phthalimide-modification of Sex Expression in Gynoecious and Monoecious Cucumbers1

Year: 1983

Type: article

Abstract: Staminate flowers were induced in a gynoecious line (MSU 394G) and the pistillate phase was delayed in a monoecious cultivar (‘Sumter’) of cucumber ( Cucumis sativus L.) with 2 phthalimide derivatives, 1-(3-chlorophthalimido)-cyclohexanecarboxamide and 1-(1-cyclohexene-1,2-dicarboximido)-cyclohexanecarboxamide. Single and multiple foliar sprays at 1000 mg liter −1 during expansion of the first true leaf (5–7 cm in width) delayed flowering as indexed by days from seeding to anthesis and the node of the first pistillate flower in monoecious ‘Sumter’. Repeat applications induced staminate flowers in gynoecious MSU 394G and staminate flower production continued over a wide range of nodes. Marked differences in response to the phthalimides appeared to be related to the season in which the experiments were performed. The greatest number of staminate flowers was induced when the gynoecious plants were exposed to an 8-hour photoperiod early in plant development and then grown under a 14-hour photoperiod.

Source: Journal of the American Society for Horticultural Science

DOI: 10.21273/jashs.108.2.278

Authors: Shao Ying Xu, Martin J. Bukovac

Institution: Michigan State University

Language: English

Topic: Advances in Cucurbitaceae Research

Subfield: Genetics

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

SDG: Zero hunger

Open Access status: hybrid

Estimated APC paid: $3,500