The Effect of Concentration and Frequency of Plant Growth Promoting Rhizobacteria (PGPR) on The Growth and Product of Red Rice (Oryza Nivara L.)

  • Vinsensius Olin Kaet Faculty of Agriculture, The University of Timor
  • Aloysius Rusae Fakultas Pertanian, Sains, dan Kesehatan, Universitas Timor
  • Origenes Boy Kapitan Jurusan Tanaman Pangan dan Hortikultura, Politeknik Pertanian Negeri Kupang
Keywords: Concentration, Frequency, PGPR, Red Rice

Abstract

This study aims to determine the concentration and frequency of watering the Plant Growht Promoting Rhizobacteria (PGPR) on the growth and yield of red rice (Oryza Nivara L.). This study revealed a factorial Randomized Block Design (RBD) consisting of two (2) factors with three (3) replications, the first factor (K) was the concentration of PGPR biological fertilizer consisting of control (K0), 50 g / 10 L ( K1), 75 g / 10 L (K2) the second factor (F) the frequency of fertilization consisting of 2 fertilization times (F1): planting time (WT) and 21 DAS, 4 fertilization times (F2): planting time (WT) 14 , 21, 42 DAS and 5 times fertilization (F3): planting time (WT) 14, 21, 42, and 56 DAS. Of these two factors, there are 9 treatment combinations, namely K0F1, K0F1, K2FI, K0F2, K1F2, K2F2, K0F3, K1F3, K2F3. The results showed that the PGPR concentration and frequency had an effect on the growth and yield of red rice plants, the growth parameters of rice plants, the concentration of 50 g / 10 L of water with a frequency of 4 times the best plant height (57.48 cm), 0.29 cm stem diameter tillers 23.33 chicks. root fresh weight (10.90 g), root dry weight (6.23 g), shoot fresh weight (87.53 g), shoot dry weight (36.16 g), number of panicles per clump (18.11 clumps), permalai pithy weight (5866.69 tonnes / ha). The combination treatment with a concentration of 50 g / 10 L of water with a frequency of 4 times PGPR watering is highly recommended because it can increase the growth and yield of red rice plants.

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Published
2025-04-11
How to Cite
Kaet, V., Rusae, A., & Kapitan, O. (2025). The Effect of Concentration and Frequency of Plant Growth Promoting Rhizobacteria (PGPR) on The Growth and Product of Red Rice (Oryza Nivara L.). Savana Cendana, 9(4), 101-108. https://doi.org/https://doi.org/10.32938/sc.v9i4.1318
Section
Original research article