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Research Paper | Agriculture | Indonesia | Volume 8 Issue 3, March 2019 | Popularity: 6.2 / 10

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Improvement of Rice Mutants to Drought Stress in Root System, Lignocellulose Production, and Nitrogen Uptake

Riza Meutia, Muyassir, Efendi

Abstract: Soil fertility needs to be maintained properly in order to produce optimal agricultural production. The drought stress that hit Indonesia decreased rice production. Deficiency of N elements will produce plants not grow well, while excess N will inhibit plant growth. This study aims to determine the production of lignocellulosic biomass and also uptake from several mutant rice strains in drought stress conditions. Split plot design was prepared as the pattern of Group Random Design. The mutant rice strain studied were the lines of Sanberasi-9a, Sanberasi-76, Sanberasi-88, and Inpari 10 Laeya Varieties and IR 64 as a comparison. The study showed that the production of lignocellulosic biomass of mutant rice lines available between 52.34 grams to 60.85 grams per plant under drought stress conditions but would not improve these conditions, also applies to nitrogen uptake. Drought stress can reduce the yield of lignocellulosic biomass in mutant rice lines. There is no real interaction between rice strains and drought stress on lignesululose biomass production and nitrogen nutrient uptake.

Keywords: Rice, Mutant, Drought, Lignocellulose, Nitrogen

Edition: Volume 8 Issue 3, March 2019

Pages: 298 - 300

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