Title: Investigation of oak manna of
Quercus infectoria (Gas-e-Alafi) and production mechanism and utilization.
Personal Authors: Mohammadi, M.,
Dini, M.,
Tavakkoli, M.Author Affiliation: Research Institute of Forests and Rangelands, P.O. Box: 13185-116, Tehran, Iran.
Editors: No editors
Document Title: Iranian Journal of Medicinal and Aromatic Plants Research
Abstract: Gaz-e-Alfi (oak manna) is a valuable by-product of western oak forests especially in northern parts of Zagross, Iran. The material has high medicinal and commercial value. The manna is produced on the leaf surfaces and young branches of two Quercus species: Quercus infectoria and Q. brantii, by nymphs and adults of two aphids: Tuberculoides annulatus and Thelaxes suberi. The material become sticky as crystallized sugar. The production and utilization time of the material is on late spring and sometimes on first autumn. The distribution of the host plants and aphids is in west Azarbaijan, Kordestan, Kermanshah and Lorestan provinces of Iran.
Publisher: Research Institute of Forests and Rangelands
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