The study of the effects of mycorrhiza and potassium fertilizer on certain characteristics of the coriander plant under salt stress conditions
Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 5
Abstract
Salt stress is one of the most important abiotic stresses in the world, whose negative effects on the crop development has increased the number of researches on the salt tolerance, aimed to improve the plant tolerance. Potassium sulfate (SOP) consists of 50% K2O, thus being suitable for the crops which are incompatible with chloral ion. Moeover, thanks to its having sulfate and its power of gradual release of potassium, it is very beneficial. It must be mentioned that we have used fertilizers in this research. The arbuscular mycorrhizal fungi are found in almost all types of soils, different climates (tropical, moderate and polar) and in most agricultural lands. Therefore and in order to evaluate the effects of potassium sulfate fertilizer and mycorrhizal fungi on the characteristics of the coriander plant under salt stress conditions, the fertilizer was added in three levels (without fertilizer, with the 200 kg/ha potassium fertilizer, and the 300 kg/ha potassium fertilizer) and glomus mosseae in two levels (with mycorrhiza and without it) and three levels of salinity (1, 2, and 3 ds/m). After two months of irrigation with the above-mentioned items, this experiment was carried out in a factorial manner in completely randomized design with three replications in plastic pots under greenhouse conditions. The resulting date was analyzed by the SAS statistical software and the means were compared using the Duncan’s multiple range test with the probability level of 1%. The diagrams were drawn in the Excel program. The quantity of chlorophylls a and b, proline were determined with the help of data statistical analysis. The results showed that the salinity had significant decreasing effect on the physiological and morphological characteristics of the coriander plant.
Authors and Affiliations
Seyyed Mohsen Miremad Zarrintaj Alipour and Shahram Ashraf
Keywords
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