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Marziye Maleki1 , Reza Mostowfizadeh-Ghalamfarsa2,
Volume 2, Issue 1 (3-2013)
Abstract

Regarding to the need of improving the quality and quantity of agricultural products, the science of plant protection has been taken under consideration. Accurate identification and detection of plant pathogens is one of the best ways for successful plant disease management. One of the useful methods is analysis of the volatile organic compounds, which spread from diseased plants. In this method, specificity of the volatile organic compounds and also the factors that affect the identifying of plant diseases and effective methods on these compounds are important. First, these compounds should be collected and then be analyzed. The best method for analysis of these compounds is dynamic sampling followed by gas chromatography and using the proper probes. Although the high costs of the tools make it difficult to apply this method for agricultural purposes, but by using the statistical methods and estimations the costs can be decrease.
Kamran Ghasemi,
Volume 7, Issue 1 (3-2018)
Abstract

Ghasemi K. 2018. Sulfur role in plant diseases management. Plant Pathology Science 7(1):63-72.

Sulfur (S), as a promoter of plant defense system and fungicidal effect, can have a critical role in organic farming. Presence of sulfuric defense compounds including elemental sulfur, H2S, glutathione, اسیدیتهytochelatins, secondary metabolites and S-rich proteins are vital under stress conditions. As a soil disinfectant, carbon disulfide is widely used against soil-borne pathogens. This is used for controlling the root and crown rot disease caused by Armillaria. Sulfur fumigation is used against powdery mildew in greenhouse production. Fumigation and application of sulfur pad are methods for controlling the grape and some other fruits rot in storage. Besides, sulfur is effective in control of mites, psyllids, and thrips.



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