Effect of inoculum rate on mycorrhizal growth responses in pot-grown onion and clover |
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Authors: | Conway LL Powell |
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Institution: | (1) Ruakura Soil and Plant Research Station, Ministry of Agriculture and Fisheries, Private Bag, Hamilton, New Zealand |
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Abstract: | Summary White clover and onion plants were grown from seed in pots of sandy loam above pads of mycorrhizal inoculum soil at 0.17–1.40
g/pot (equivalent to 250–2000 kg/ha) and harvested on four occasions. In sterilized soil increasing inoculum rates increased
the onset and size of the mycorrhizal growth response of white clover. In unsterilized soil the indigenous mycorrhizal fungi
greatly stimulated growth of both clover and onion. Nevertheless, all mycorrhizal inoculum rates further stimulated shoot
growth in onion (92% increase over all harvests), while only the highest inoculum rate significantly stimulated clover growth
(52% increase). |
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Keywords: | Mycorrhizal fungi Onion Pot trial Rates of inoculum White clover |
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