Pengaruh PGPR Akar Kelapa Sawit Dan Trichoderma sp. Terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Varietas Dxp Simalungun Di Awal Main Nursery

Dimas Sandy, Rafly (2023) Pengaruh PGPR Akar Kelapa Sawit Dan Trichoderma sp. Terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Varietas Dxp Simalungun Di Awal Main Nursery. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

Good oil palm seed management is by fulfilling the availability of nutrients and water for the metabolism of growth and development of oil palm. PGPR stimulates plant growth because it has bacteria that colonize roots by synthesizing plant growth regulator substances. Trichoderma sp. is beneficial as a potential microorganism is antagonistic besides that it is also known as a soil biological fertilizer and plant growth stimulator. This study used a non-factorial randomized block design (RBD) consisting of 4 treatments. As for each treatment, P0: without the application of PGPR and Trichoderma sp. P1 : application of PGPR (density 105 CFU) P2 : application of Trichoderma sp. (density 108 spores/ml) P3 : PGPR application (density 105 CFU) + Trichoderma sp. (density 108 spores/ml). Observational data were analyzed using analysis of variance (ANOVA), then it was tested further with LSD (Lessest Significant Difference) 5%. he results of this study were PGPR application + Trichoderma sp. very significant effect on the parameters of the number of oil palm seed fronds observed main nursery at 14 WAP, and 16 WAP, and had a verysignificant effect on root volume at 17 WAP. As for the parameters of plant height and stem diameter of oil palm seedlings main nursery unreal effect.

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