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Abstract
It has been reported that humic acid can increase plant growth and benefecial soil microbe population. A glasshouse experiment was conducted to study the effect of humic acid on growth of host plant and sporulation of arbuscular mycorrhizal fungi under salt stress in trap pot culture. Trap cultures were maintenance at various salinity levels as according to field salinity. Half of the pots received 2.5% humic acid and control treatment received no humic acid. Result of research indicate that humic acid can increase growth of host plant and mycorrhizae sporulation at all salinity levels. Acaulospora is highest its spore production followed by of Glomus and Gigaspora .
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References
- Allen, E.B. and G.L. Cunningham. 1983. Effects of vesicular-arbuscular mycorrhizae on Distichlis spicata under three salinity levels. New Phytol. 93 : 227-236.
- Ayuso, M., T. Hernandez, C. Garcia, and J.A. Pascual. 1996. Stimulation of barley growth and nutrient absorption by humic substances
- originating from various organic materials. Bioresource Technology 57 : 251-257
- Badura L. 1965. On the mechanism of stimulating influence of Na-Humate upon the process of alcoholic fermentation and multiflication of yeasts. Acta. Soc. Bot. Pol. 34 : 287-328.
- Brundrett, M.C., L. Melville dan L. Peterson. 1994. Practical Methods in Mycorrhiza Research. Mycologue Publications. Ontario, Canada.
- Chen, Y. and M. Schnitzer. 1978. The surface tension of aqueous solutions of soil humic substances. Soil Sci. 125 : 7-15.
- Chen, Y. and T. Aviad. 1990. Effect of humic substances on plant growth. Di Dalam : maccarthy P, Clapp CE, Malcolm RL, dan Bloom PR (Eds.). Humic substances in soil and crop science: selected readings. American Society of Agronomy, Inc. Soil Science Society of America, Inc. Madison, Wisconsin, USA. p. 161-186
- Cooper, K.M. 1984. Physiology of VA mycorrhizal associations. Di Dalam : Powell, C.L. dan D.J. Bagyaraj (Eds.) VA Mycorrhiza. Florida. CRC Press.
- Juniper S and Abbott LK. 1993. Vesicular- arbuscular mycorrhizas and soil salinity. Mycorrhiza. 4 : 45-57
- Lulakis, M.D. and S.I. Petsas. 1995. Effect of humic substances from vine-canes mature compost an tomato seedling growth. Bioresource Technology 54 : 179-182
- MacCarthy, P., C.E. Clapp, R.L. Malcolm, and P.R. Bloom. 1990. Humic substances in soil and crop science: selected readings. American Society of agronomy, Inc. Soil Science Society of america, Inc. Madison, Wisconsin, USA.
- Menge, J.A. 1984. Inoculum production. Di Dalam : Powell, C.L. dan D.J. Bagyaraj (Eds.) VA Mycorrhiza. Florida. CRC Press. Pond, E.C., J.A.
- Menge and W.M. Jarrell. 1984. Improved growth of tomato in silinized soil by vesicular-arbuscular mycorrhizal fungi collected from salinie soils. Mycologia 76 :
- -84
References
Allen, E.B. and G.L. Cunningham. 1983. Effects of vesicular-arbuscular mycorrhizae on Distichlis spicata under three salinity levels. New Phytol. 93 : 227-236.
Ayuso, M., T. Hernandez, C. Garcia, and J.A. Pascual. 1996. Stimulation of barley growth and nutrient absorption by humic substances
originating from various organic materials. Bioresource Technology 57 : 251-257
Badura L. 1965. On the mechanism of stimulating influence of Na-Humate upon the process of alcoholic fermentation and multiflication of yeasts. Acta. Soc. Bot. Pol. 34 : 287-328.
Brundrett, M.C., L. Melville dan L. Peterson. 1994. Practical Methods in Mycorrhiza Research. Mycologue Publications. Ontario, Canada.
Chen, Y. and M. Schnitzer. 1978. The surface tension of aqueous solutions of soil humic substances. Soil Sci. 125 : 7-15.
Chen, Y. and T. Aviad. 1990. Effect of humic substances on plant growth. Di Dalam : maccarthy P, Clapp CE, Malcolm RL, dan Bloom PR (Eds.). Humic substances in soil and crop science: selected readings. American Society of Agronomy, Inc. Soil Science Society of America, Inc. Madison, Wisconsin, USA. p. 161-186
Cooper, K.M. 1984. Physiology of VA mycorrhizal associations. Di Dalam : Powell, C.L. dan D.J. Bagyaraj (Eds.) VA Mycorrhiza. Florida. CRC Press.
Juniper S and Abbott LK. 1993. Vesicular- arbuscular mycorrhizas and soil salinity. Mycorrhiza. 4 : 45-57
Lulakis, M.D. and S.I. Petsas. 1995. Effect of humic substances from vine-canes mature compost an tomato seedling growth. Bioresource Technology 54 : 179-182
MacCarthy, P., C.E. Clapp, R.L. Malcolm, and P.R. Bloom. 1990. Humic substances in soil and crop science: selected readings. American Society of agronomy, Inc. Soil Science Society of america, Inc. Madison, Wisconsin, USA.
Menge, J.A. 1984. Inoculum production. Di Dalam : Powell, C.L. dan D.J. Bagyaraj (Eds.) VA Mycorrhiza. Florida. CRC Press. Pond, E.C., J.A.
Menge and W.M. Jarrell. 1984. Improved growth of tomato in silinized soil by vesicular-arbuscular mycorrhizal fungi collected from salinie soils. Mycologia 76 :
-84