{"id":474,"date":"2023-06-17T11:36:17","date_gmt":"2023-06-17T11:36:17","guid":{"rendered":"https:\/\/agrotek.id\/istilah\/?p=474"},"modified":"2023-06-17T11:36:17","modified_gmt":"2023-06-17T11:36:17","slug":"plant-growth-promoting-rhizobacteria","status":"publish","type":"post","link":"https:\/\/agrotek.id\/istilah\/plant-growth-promoting-rhizobacteria\/","title":{"rendered":"Plant Growth Promoting Rhizobacteria"},"content":{"rendered":"<div class=\"eed6017755204510f99b5cfa227f034d\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-9879128820429486\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- agrotek istilah -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-9879128820429486\"\r\n     data-ad-slot=\"3451189371\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">Plant Growth Promoting Rhizobacteria (PGPR) adalah kelompok bakteri yang menghuni daerah rhizosfer, yaitu wilayah tanah yang mengelilingi akar tanaman. Bakteri ini memiliki kemampuan untuk mempromosikan pertumbuhan tanaman melalui interaksi yang bermanfaat dengan tanaman.<\/p>\n<p style=\"text-align: justify;\">PGPR memiliki beberapa karakteristik dan fungsi yang mendukung pertumbuhan tanaman, antara lain:<\/p>\n<ol style=\"text-align: justify;\">\n<li>Pemanfaatan nutrisi: PGPR dapat meningkatkan ketersediaan nutrisi bagi tanaman dengan mengubah bentuk nutrisi yang tidak larut menjadi bentuk yang dapat diambil oleh akar tanaman. Misalnya, mereka dapat mengubah fosfat yang tidak larut menjadi bentuk larut yang dapat digunakan oleh tanaman.<\/li>\n<li>Produksi hormon: PGPR mampu menghasilkan hormon tumbuhan seperti auksin, sitokinin, dan gibberelin. Hormon-hormon ini dapat merangsang pertumbuhan akar, mengatur pertumbuhan tunas, dan meningkatkan kekuatan dan vitalitas tanaman secara keseluruhan.<\/li>\n<li>Supresi penyakit: Beberapa strain PGPR memiliki kemampuan untuk menghambat pertumbuhan patogen tanaman atau bersaing dengan mereka secara langsung. Mereka dapat menghasilkan senyawa antimikroba, bersaing untuk sumber daya, dan merangsang respons pertahanan tanaman, sehingga mengurangi insiden penyakit tanaman.<\/li>\n<li>Toleransi terhadap stres: PGPR membantu tanaman dalam mengatasi berbagai stres lingkungan, seperti kekeringan, salinitas, dan toksisitas logam berat. Mereka membantu produksi protein yang terkait dengan respons terhadap stres, mengatur keseimbangan osmotik, dan meningkatkan efisiensi penyerapan air dan nutrisi.<\/li>\n<li>Resistensi sistemik terinduksi: PGPR dapat merangsang respons kekebalan tanaman, yang dikenal sebagai resistensi sistemik terinduksi. Mekanisme ini melibatkan aktivasi sistem pertahanan tanaman di seluruh tubuh tanaman, sehingga melindungi tanaman dari berbagai patogen dan hama.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\">Penerapan Plant Growth Promoting Rhizobacteria dalam pertanian dan hortikultura telah menunjukkan hasil yang menjanjikan dalam meningkatkan produktivitas tanaman, penggunaan nutrisi, dan toleransi terhadap stres. Pendekatan ini memberikan solusi yang berkelanjutan dan ramah lingkungan dalam meningkatkan pertumbuhan tanaman tanpa terlalu mengandalkan bahan kimia sintetis. Namun, keefektifan PGPR dapat bervariasi tergantung pada strain bakteri, jenis tanaman, dan kondisi lingkungan, sehingga penting untuk memilih strain yang sesuai dan mengoptimalkan aplikasinya sesuai dengan jenis tanaman dan sistem pertumbuhan yang spesifik.<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Plant Growth Promoting Rhizobacteria (PGPR) adalah kelompok bakteri yang menghuni daerah rhizosfer, yaitu wilayah tanah yang mengelilingi akar tanaman. Bakteri ini memiliki kemampuan untuk mempromosikan pertumbuhan tanaman melalui &#8230; <a title=\"Plant Growth Promoting Rhizobacteria\" class=\"read-more\" href=\"https:\/\/agrotek.id\/istilah\/plant-growth-promoting-rhizobacteria\/\" aria-label=\"More on Plant Growth Promoting Rhizobacteria\">Baca Selengkapnya<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-474","post","type-post","status-publish","format-standard","hentry","category-mikrobiologi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v20.12) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plant Growth Promoting Rhizobacteria<\/title>\n<meta name=\"description\" content=\"Plant Growth Promoting Rhizobacteria (PGPR) adalah kelompok bakteri yang menghuni daerah rhizosfer, yaitu wilayah tanah 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