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      Aplikasi Bakteri Penghasil Fitase Terenkapsulasi untuk Tanaman Jagung pada Kondisi Cekaman Kekeringan dan Defisiensi Fosfor

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      Date
      2026
      Author
      RAMADHAN, ARDIAN
      Sopandie, Didy
      Sulastri
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      Abstract
      Produktivitas tanaman jagung sering mengalami penurunan akibat cekaman kekeringan dan rendahnya ketersediaan fosfor di dalam tanah, sehingga diperlukan upaya untuk meningkatkan kemampuan adaptasi tanaman terhadap kondisi tersebut. Salah satu pendekatan yang dapat dilakukan yaitu melalui aplikasi bakteri osmoadaptif penghasil fitase terenkapsulasi yang berperan dalam membantu pelarutan fosfor dan meningkatkan toleransi tanaman terhadap cekaman abiotik. Penelitian ini bertujuan menganalisis pengaruh aplikasi bakteri penghasil fitase terenkapsulasi terhadap pertumbuhan, fisiologi, dan hasil tanaman jagung pada kondisi cekaman kekeringan dan defisiensi fosfor. Penelitian dilaksanakan di greenhouse BRIN KST BJ Habibie Serpong menggunakan rancangan RKLT dengan perlakuan faktor tunggal, kombinasi perlakuan aplikasi bakteri (tanpa bakteri dan dengan bakteri), dosis pemupukan fosfor (100% dan 50% dari dosis), serta tingkat penyiraman (100% dan 50% KL) dengan tiga ulangan. Peubah yang diamati meliputi pertumbuhan vegetatif, hasil panen, serta peubah fisiologi tanaman seperti Relative Water Content (RWC), Membrane Stability Index (MSI), Electrolyte Leakage (EL), kandungan prolin, dan klorofil. Hasil penelitian menunjukkan bahwa seluruh perlakuan tidak memberikan pengaruh yang berbeda nyata terhadap semua peubah yang diamati.
       
      Maize crop productivity is often reduced due to drought stress and low phosphorus availability in the soil; therefore, efforts are needed to enhance the plants’ ability to adapt to these conditions. One approach that can be adopted is the application of encapsulated phytase-producing osmoadaptive bacteria, which help to solubilise phosphorus and improve the plants’ tolerance to abiotic stress. This study aims to analyse the effect of applying encapsulated phytase-producing bacteria on the growth, physiology and yield of maize plants under conditions of drought stress and phosphorus deficiency. The study was conducted in the BRIN KST BJ Habibie Serpong greenhouse using a completely randomised block design (RKLT) with single-factor treatments, combining bacterial application (with and without bacteria), phosphorus fertiliser rates (100% and 50% of the recommended dose), and irrigation levels (100% and 50% of the recommended amount), with three replicates. The variables observed included vegetative growth, crop yield, and plant physiological parameters such as Relative Water Content (RWC), Membrane Stability Index (MSI), Electrolyte Leakage (EL), proline content, and chlorophyll. The results of the study showed that none of the treatments had a significant effect on any of the variables observed.
       
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      http://repository.ipb.ac.id/handle/123456789/173886
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      • UF - Agronomy and Horticulture [7661]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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