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The present study is the first report on the isolation of Penicillium menonorum from rhizosphere soil in Korea and its identification based on morphological characteristics and internal transcribed spacer gene sequence. The fungal isolate was named KNU-3 and was found to exhibit plant growth-promoting (PGP) activity through indole acetic acid (IAA) and siderophore production, as well as P solubilization. KNU-3 produced 9.7 mg/L IAA and solubilized 408 mg of $Ca_3PO_4/L$, and inoculation with the isolate significantly (p < 0.05) increased the dry biomass of cucumber roots (57%) and shoots (52%). Chlorophyll, starch, protein, and P contents were increased by 16%, 45%, 22%, and 14%, respectively, compared to plants grown in uninoculated soil. The fungus also increased soil dehydrogenase (30%) and acid phosphatase (19%) activities. These results demonstrate that the isolate KNU-3 has potential PGP attributes, and therefore it can be considered as a new fungus to enhance soil fertility and promote plant growth. Moreover, the discovery of PGP ability and traits of this fungus will open new aspects of research and investigations. In this study, plant growth promotion by P. menonorum KNU-3 is reported for the first time in Korea after its original description.
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참고문헌 (42)
참고문헌 신청
Smit E / 2001 / Diversity and seasonal fluctuations of the dominant members of the bacterial soil community in a wheat field as determined by cultivation and molecular methods / Appl Environ Microbiol 67:2284~2291
Pešaković M / 2013 / Biofertilizer affecting yield related characteristics of strawberry (Fragaria × ananassa Duch.) and soil micro-organisms / Sci Hortic 150:238~243
Maity A / 2014 / Penicillium pinophilum: a novel microorganism for nutrient management in pomegranate (Punica granatum L.) / Sci Hortic 169:111~117
Malviya J / 2011 / Effect of phosphate solubilizing fungi on growth and nutrient uptake of ground nut (Arachis hypogaea) plants / Adv Biores 2:110~113
Christensen M / 2000 / Integration of modern taxonomic methods for Penicillium and Aspergillus classification / Harwood Academic Publishers :309~320
Pešaković M / 2013 / Biofertilizer affecting yield related characteristics of strawberry (Fragaria × ananassa Duch.) and soil micro-organisms / Sci Hortic 150:238~243
Maity A / 2014 / Penicillium pinophilum: a novel microorganism for nutrient management in pomegranate (Punica granatum L.) / Sci Hortic 169:111~117
Malviya J / 2011 / Effect of phosphate solubilizing fungi on growth and nutrient uptake of ground nut (Arachis hypogaea) plants / Adv Biores 2:110~113
Christensen M / 2000 / Integration of modern taxonomic methods for Penicillium and Aspergillus classification / Harwood Academic Publishers :309~320
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