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Direct analysis of néctar and floral volatile organic compounds in hybrid onions by HS-SPME/GC-MS: Relationship with pollination and seed production
Soto Vargas, Verónica Carolina; Maldonado, Irma Beatriz; Jofre, Viviana Patricia; Galmarini, Claudio Romulo; Silva, Maria Fernanda (2016)In this study, a simple and solvent-free method using headspace solid-phase microextraction (SPME) and gas chromatography–mass spectrometry (GC–MS) was developed for determination of the volatile compounds from fresh flowers ... -
Floral nectary structure, nectar presentation and morpho-anatomical analysis of male‐fertile and male‐sterile anthers in onion (Allium cepa, Amaryllidaceae) = Estructura del nectario floral, presentación del néctar y análisis morfo-anatómico de anteras de líneas androfértiles y androestériles en cebolla (Allium cepa, Amaryllidaceae)
Gonzalez, Ana Maria; Maldonado, Irma Beatriz; Galmarini, Claudio Romulo; Peralta, Iris Edith (Sociedad Argentina de Botánica, 2023-09)Background and aims: The onion (Allium cepa var. cepa) is an allogamous species in which male-sterile lines have been developed. However, the structure of the flower and floral nectaries have only been briefly described. ... -
Nectar and flower traits of different onion male sterile lines related to pollination efficiency and seed yield of F1 hybrids
Soto Vargas, Verónica Carolina; Maldonado, Irma Beatriz; Gil, Raul Andres; Peralta, Iris Edith; Silva, Maria Fernanda; Galmarini, Claudio Romulo (Entomological Society of America, 2013-06)Honey bees are the main pollinators of onion crops for seed production, but owing to low attractiveness of flowers, pollination is often inadequate. Pollination problems result in low seed yields. This problem is accentuated ...