Imron Rosidi Pengarang

The Correlation Between the Interval and Concentration of PGPR’s (Plant Growth Promoting Rhizobacteria) Spraying to The Production and Quality of bitter melon Seeds (Momordica Charantina L.) Imron Rosidi Seed Production Technic Study Program Agricultural Production Department ABSTRACT The study was conducted in Mrawan Pringtali, Mayang subdistrict and Seed Technology Laboratory of Jember State Polytechnic, Jember regency from June-November 2017. This research used Factorial Randomized Block Design with 2factors. The first factor is PGPR concentration treatment (P) consist of 3levels, P0 = without PGPR, P1 = PGPR treatment 12,5 ml/L, P2 = PGPR treatment 15 ml/L, P3 = PGPR treatment 17,5 ml/L. The second factor isspraying interval of PGPR (T1), consisted of 3 levels, T1 = once of 7 days, T2 = once of 14 days, T3 == once of 21 days. The data was analyzed by f test (ANOVA) and continued by Duncan’s Multiple Range Test (DMRT) with error rate 5% (*) or 1% (**). The spraying interval T1 (7 onceof 7 days) was higher than otherson 15HST 71,2%, 30HST 236,0%, and 45HST 345,1%. There is an interaction with The Correlation Between the Interval and Dose of PGPR’s Spraying to The Production and Quality of bitter melon Seeds (Momordica charantina L.) Keywords : PGPR, bitter melon