Emilija arsov (12 risultati)

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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Erwinia amylovora, a bacterial blight affecting fruit, is one of the most known and dangerous diseases affecting quince, pear and apple and other Rosaceae family plants. It was first discovered in America in 1780, and first appeared in Macedonian quinces in 1989. Erwinia amylovora, called bacterial blight of fruit trees and ornamental plants, is one of the most intensely pathogenic bacteria that have been studied. It is assumed that the disease was first recognised in the United States at the end of the 18th century in wild species of plants, from which the bacteria spread to sensitive varieties of pear (Pyrus communis), apple (Malus silvestris) and quince (Cydonia oblongata), introduced by early American settlers from Eastern Europe and Southwest Asia. Drying of fruit trees was first observed in mountainous areas on both sides of the Hudson River in New York. From this region, the bacteria spread at high speed to neighbouring countries. Symptoms of E. amylovora are generally seen in the flowers which dehydrate and then turn either brown or black. The most massive and intensive symptoms is spread from the flowers.…

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Bojkov GligorThe author team are particularly interested to solve the most complicated situations in the protection of the vines, especially interested in the factors that contribute to the increased number of chemical treatments in.…

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Mitrev SasaAuthors: Prof d-r Sasa Mitrev, full professor and Assist. prof. Emilija Arsov, PhD Plant Protection, Faculty of Agriculture, Goce Delcev University, Stip, Department for Plant and Environmental Protection. Scientific work . …

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Eine der wichtigsten Pflanzenkrankheiten im Weinbau ist der Grauschimmel, der durch Botrytis cinerea Pers. Fr., dem Anamorphen eines Ascomycetenpilzes(Botryotinia fuckeliana Whetzel), verursacht wird. Die Entwicklung von Grauschimmel auf Traubenbeeren haengt. …