Názov/Title: Продуценты пади и характеристика падевого мёда / Dew producers and characteristics of honeydew
Typ dokumentu/Document Type: Vedecká monografia / Scientific Monograph
Autori/Authors: Mykola Lisovyy, Dina Lisohurska, Leonora Adamchuk
ISBN: ISBN 978-80-552-2275-2
Vydavateľ/Publisher: Slovak University of Agriculture in Nitra, Slovakia
Rok, strany/PY, pages: 2020, 132 p.
Publikované online/Published on-line: 2020-12-31
Abstrakt/Abstract Dew – sugar-containing secretions of sucking herbivorous insects. The most significant representatives of these insects for beekeeping belong to the order
of arthropods (Rhynchota). In central Europe, these are aphids of the genus Lachnus and robber flies of the genus Lecania. The most important coniferous plants for honeydew growers are Picea abies, Abies alba,
various species of Pinus sp. and Larix sp.; deciduous trees include Quercus sp ., Tilia sp. and Acer sp.Freshly isolated dew is transparent like water, contains 5–18 % dry matter, has a specific gravity of 1.0 to 1.3,
pH 5.1–7.9 and a total nitrogen content of 0.2–1.8 % dry matter. Under the influence of air, the droplets change color, the concentration of dry matter, depending on the air humidity, can rise to 30–50 % and higher.
The content of carbohydrates in honeydew is 90–95 % of dry mass. The monograph describes the species of insects that are producers of dew, the composition of honeydew honey from different countries of the world
is given. The methodology for studying the presence of dew in honey is described. The research results of samples of Ukrainian honeydew honey and their pollen spectrum are presented.
Kľúčové slová/Keywords: dew, honeydew, dew honey, honeydew producers, composition of dew honey, properties of honeydew
Toto dielo je publikované pod/This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International Licence
Plný text/Fulltext (Flipbook)