Effectiveness of three arbuscular mycorrhizae species on growth of some vegetable crops under calcareous soil conditions

Document Type : Original Article

Authors

1 Department of Soil and Agricultural Chemistry and 2Department of Plant production, Faculty of Agriculture, Saba Basha, Alexandria University, Egypt

2 Department of Plant production, Faculty of Agriculture, Saba Basha, Alexandria University, Egypt

3 Department of Soil and Agricultural Chemistry , Faculty of Agriculture, Saba Basha, Alexandria University, Egypt

Abstract

This work was aimed to examine the growth of some vegetable crops to select the species of AM fungi that can help to improve the growth of each vegetable crop especially under calcareous soil conditions and low P level. Surface calcareous soil sample (0-15cm) was collected from Abd El Baset village, Burg Al Arab, Alexandria - Egypt. Three levels of phosphorus fertilizer were applied before filling the pots to obtain P0 (without P fertilizer); P1 (50% of recommended P fertilizer (100 kg calcium superphosphate (15.5 % P2O5) / fed.)) and P2 (100% of recommended P fertilizer (200 kg calcium superphosphate (15.5 % P2O5) / fed.)). Three arbuscular mycorrhizal (AM) species were belonging to the genus Glomus used in this experiment. The applied species were Glomus macrocarpium; Glomus intraradiaces and Glomus fasciculatum.   Three vegetable crops were examined, Summer Squash (Cucurbita pepo L.); Tomato (Solanum lycopersicum) and Carrot (Daucus carotaL.). In conclusion, from the results of this study and under the same conditions of this experiment, we can recommended that, first, all mycorrhizal species were effective on plant growth and P content more than untreated plants, second the mycorrhizae specie G. intraradiaces developed the growth and P content of squash and tomato plants, while G. macrocarpium enhancing growth and P content of carrot plants under low P level and with calcareous soil conditions

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