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Effect of vesicular arbuscular mycorrhiza and organic matter on growth of rubber stump (Hevea brasiliensis Muell. Arg.)

By: Asmarlaili Sahar, Hardy Guci, Muhdi

Key Words: Mycorrhiza, Hevea brasiliensis, Adaptation, Water stress

Int. J. Agr. Agri. Res. 9(4), 31-35, October 2016.

Abstract

The objective of the research was to study the effect of VAM (Vesicular arbuscular mycorrhiza) and organic matter to the growth of stump rubber (Hevea brasiliensis Muell Arg.). VAM is isolate potential and compatible with the rubber plant was Glomus sp. and Acaulospora sp. This research was conducted at screen house, Faculty of Agriculture, University of Sumatera Utara. This research is used a factorial randomized block design. As the first factor being tested is an inoculant mycorrhizalie M0 (without inoculant); M1 (Inoculant Glomus sp); M2 (Inoculant Acaulospora sp) and M3 (Inoculant Glomus sp + Acaulospora sp). The second factor is the organic matter (0300, 600 and 900 g compost/polybag). Each treatment combination was replicated four times. The results showed that the organic matter increases as height of plant, increasing accretion stem diameter, increasing the dry weight of the canopy and root dry weight rubber seedlings in soil under stress drought. To increase plant height and in trunk diameter was obtained from the treatment B1M3 is done by adding organic matter to 300g/ polybag combined with the provision of inoculant M3 (Glomus sp + Acaulospora sp). As for the dry weight of the plant canopy and root dry weight seen that the higher dose of compost given the dry weight of the plant canopy and root dry weight rubber seedlings increased significantly in soils experiencing drought stress.

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