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Crop and Pasture Science
Dag, A., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Yermiyahu, U., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Ben-Gal, A., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Zipori, I., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Kapulnik, Y., Department of Agronomy and Natural Resources, Agricultural Research Organization, Bet Dagan 50250, Israel
We evaluated arbuscular mycorrhizal fungi (AMF) for enhancement of irrigated olive (Olea europaea L.) tree growth and vigour under arid horticultural conditions. The response of 12 common commercial olive cultivars to AMF (Glomus mosseae and Glomus intraradices) inoculation was measured in a nursery experiment. Long-term post-transplanting response to AMF inoculation (G. intraradices alone or G. intraradices+G. mosseae) at the seedling stage was also assessed for 3 cultivars in an irrigated orchard in an arid region. Two control treatments without AMF inoculation were evaluated: one with fertilisers provided as in commercial olive nurseries, the other with no fertiliser application during the time of the inoculation treatments. Inoculated v. uninoculated plants in the nursery showed increases in height, and root and shoot biomass. Intensity of response was highly cultivar-specific. Olive trees inoculated with AMF also performed better than untreated plants in the orchard experiment. Inoculated plants in the nursery showed consistent increases in P and K content both in leaves and roots. Fertilisation at the first growth stage, after rooting, did not contribute to seedling growth and therefore, the practice of stopping fertilisation to promote AMF inoculation was found acceptable. With the correct choice of cultivarinoculum combination, AMF inoculation technology can benefit olive cultivation, particularly in arid regions where native AMF levels are low. © 2009 CSIRO.
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Nursery and post-transplant field response of olive trees to arbuscular mycorrhizal fungi in an arid region
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Dag, A., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Yermiyahu, U., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Ben-Gal, A., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Zipori, I., Gilat Research Center, Agricultural Research Organization, M.P. Negev 85280, Israel
Kapulnik, Y., Department of Agronomy and Natural Resources, Agricultural Research Organization, Bet Dagan 50250, Israel
Nursery and post-transplant field response of olive trees to arbuscular mycorrhizal fungi in an arid region
We evaluated arbuscular mycorrhizal fungi (AMF) for enhancement of irrigated olive (Olea europaea L.) tree growth and vigour under arid horticultural conditions. The response of 12 common commercial olive cultivars to AMF (Glomus mosseae and Glomus intraradices) inoculation was measured in a nursery experiment. Long-term post-transplanting response to AMF inoculation (G. intraradices alone or G. intraradices+G. mosseae) at the seedling stage was also assessed for 3 cultivars in an irrigated orchard in an arid region. Two control treatments without AMF inoculation were evaluated: one with fertilisers provided as in commercial olive nurseries, the other with no fertiliser application during the time of the inoculation treatments. Inoculated v. uninoculated plants in the nursery showed increases in height, and root and shoot biomass. Intensity of response was highly cultivar-specific. Olive trees inoculated with AMF also performed better than untreated plants in the orchard experiment. Inoculated plants in the nursery showed consistent increases in P and K content both in leaves and roots. Fertilisation at the first growth stage, after rooting, did not contribute to seedling growth and therefore, the practice of stopping fertilisation to promote AMF inoculation was found acceptable. With the correct choice of cultivarinoculum combination, AMF inoculation technology can benefit olive cultivation, particularly in arid regions where native AMF levels are low. © 2009 CSIRO.
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