Identification of Mycorrhiza and Effect on the Growth Parameters Potato

Document Type : Original Articles


1 MSc. of Plant Sciences, Faculty of Biosciences, Shahid Beheshti University, Tehran, Iran

2 Professor, Dephartement of Biology, Faculty of Biosciences, Shahid Beheshti University, Tehran, Iran

3 Research Instructor, Dephartement of Herbages Researchs, Iranian Research Institute of plant Protection, Tehran


Potato is one of the most important agricultural products. ِ ِDue to high nutritional it has high nutritious value, it is considered as one of the main products in the nutrition of under developing countries. Mycorrhiza fungi increasethe growth of plants with establishing coexistence relation with the plants. The purpose of this work is to identify the mycorrhiza fungi which have mutual relation with roots of potato plant and relation with edible potato plant and study their effects on the growth parameters of this plant.Wet sieving and decanting method was used for purification of the spores the spoors of these fungi are separated with sieve from the wet earth.In this study four species of mycorrhiza fungi belonging to the genus Glomus type were identified. These species were: Glomus aggregatum, Funneliformis.geosporum, Funneliformis mosseae and Claroideoglomus etunicatum, In order to increase the mycorrhizal fungi, the pot culture method was used.Statistical study revealed that there is a significant differences in the number of leaves, flowers, size of stem and root, fresh and dry and weight in treated plants as compare to control Mycorrhiza fungi were inoculated in the potato plants. In this study it was determined that in the potatoes which were inoculated with AMF, the size of plants in dry and wet condition, were so high with regard to the care of fertilize treatments .According to the results of this study, we can hope that in future we will be able to use Mycorrhiza instead of using chemical fertilizers. This method will improve the growth of potato plants and will prevent the chemical contamination of the farms.


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