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» PENGARUH PEMBERIAN BAKTERI Rhizobium SpTERHADAP PERTUMBUHAN DAN PEMBENTUKAN BINTIL AKAR Mucuna bracteata DENGAN BIJI DAN STEK
   2018,Mardiana Wahyuni dan Elisa Putri Sebayang
   

Mucuna bracteata is one of legume cover land that is currently much used by oil palm and rubber plantations.Thebenefitsof Mucunabracteataarerapidgrowth,highbiomassyields,Nfixationfromthe air, tolerant to the diseases and pest attacks is not well-liked by livestock because the leaves contain high levels of phenol . Activity fixation of Nitrogen from the air were marked by the formation of rhizobia. In some plantation crop Mucuna bracteata rhizobia form a slow, nodules, formed one year after planting. Based on this research required the addition of rhizobium bacteria in order to inokulan the formation of rhizobia can take place properly. The research was carried out in the area of nursery STIPAP. Research has been done from April – July 2017 with the parameter length swirl (cm), number of leaves (strands), total dry weight, root nodule rhizobia. Treatment of planting material (M) and Rhizobium no significant effect on the length of tendrils. Treatment of planting material (M) had significant effect on leaf number parameter, treatment of seed planting material(M0) 135,50; (M1) 30,75 (64% compared to M0), Rhizobium treatment had no significant effect on leaf number. The treatment of planting material had significant effect on the number of root nodule (M0) 135.50; (M1 ¬) 57 ie 42%. The effect on the weight of root nodule 15.06 g (M0), 10.08 g (M1) with a percentage of 64%. N content of Mucuna bracteata leaf in all observations belong to high category with value N> 3,1%.

Keywords : Mucuna bracteata, inokulum, Rhizobium sp., nodule.

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