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Journal : JURNAL AGROTEKNOLOGI

PENGARUH INTRODUKSI ISOLAT RIZOBAKTERIA INDIGENUS TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KENTANG (Solanum tuberosum L.) DAN DINAMIKA POPULASI GULMA DI ALAHAN PANJANG, SUMATERA BARAT FRISKIA HANATUL QOLBY; IRAWATI CHANIAGO; INDRA DWIPA; ZURAI RESTI
Jurnal Agroteknologi Vol 11, No 1 (2020): Agustus 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v11i1.9411

Abstract

Potato (Solanum tuberosum L.) is of important major crops for its carbohydrate and plays important roles to support food sovereignty along with rice, wheat, corn, and sorghum. Potato growth and yield at West Sumatra has not reached its maximum potential due to some factors including cultivation. One major important constraint in potato growing in West Sumatra is the fact that farmers use the 8th to 12th generation of potato seedlings which have a very low agronomic potential. Yet, weeds have caused another problem in the field and reduce potato yield. An experiment has been conducted at the Laboratory of Microbiology, Faculty of Agriculture, Universitas Andalas and Nagari Alahan Panjang, Subdistrict Lembah Gumanti, Solok Regency from November 2018 to March 2019. The experiment was aimed at determining the best indigenous rhizobactria isolates to increase the growth and yield of potato plants as well as weed population dynamics associated with potato plants. Six isolates of indigenous rhizobacteria and a control treatment group were tested in a completely randomised design with three replicates. The isolates were L1 S3.1, L1 S3.2, L1 S4.4, L2 S1.2, L2 S2.3, L2 S3. 2. Data were analyzed with analysis of variance and mean separation with Duncan's New Multiple Range Test (DNMRT) at 5%. Results showed that isolate L1 S4.4 was best in increasing the number of branches, number of tubers, and weight of potato yield. The isolates tested affected weed populations dynamics, prior to treatments there were 8 species of weeds found at the field i.e Bidens pilosa L., Leptochloa chinensis, Eleusine indica L., Agerathum conyzoides, Richardia sp, Galinsoga parviflora, and Sonchus arvensis. During potato growing at the field, weed species of Eleusine indica L. and Gynura divaricata dissappeared from the soil. In contrast,  Amaranthus spinosus emerged demonstrating that weed population dynamic has occurred.
Co-Authors . Gusmini . Reflinaldon Afrima Sari Agil Syah Putra Agustian Agustian Anwar, Aswaldi Aprisal Aprisal Aprisal Aprisal, Aprisal Aprizal Zainal Ardi Ardi Ardi Ardi Ardi Ardi Aries Novita Putri Armansyah Armansyah Astri Harnov Putri Auzar Syarif Awang Al Hamdi Benni Satria Berri Brilliant Albar Bujang Rusman Cam Hong Ha Chairil Ezward, Chairil Damayanti, Elok Dede Suhendra Dede Suhendra Dewi Rezki Diah Sundari Ilyani Dini Hervani Dini Hervani Doni Hariandi Edwin Edwin Eka Candra Lina elara resigia Erlina Rahmayuni Eti Farda Husin Fajriwandi Fajriwandi Faly Sandika Fatardho Zudri Ferry Lismanto Syaiful FRISKIA HANATUL QOLBY Ghifron Ardana Hadi Rafindo Haliatur Rahma, Haliatur Henny Puspita Sari Henny Puspita Sari Irawati Chaniago Irawati Irawati Irfan Suliansyah Irwin Mirza Umami J Juniarti Jumsu Trisno KRISTINA, NILLA Meisilva Erona S Meisilva Erona Sitepu Muhammad Makky Muhammad Revan Hasibuan Muhsanati Muhsanati MUHSANATI MUHSANATI Musliar Kasim Nadila Aulia Ardi Nalwida Rozen Nandita Samaralya Tori NOVRI NELLY Obel, Obel Pancolo Agung Nur Pamuji Prima Fithri Puan Habibah Rachmad Hersi Martinsyah Raesi, Syahyana Ramadhan, Nugraha Ramadhan, Nugraha Ramadhan, Nugraha Refdinal Refdinal Reski Marbeni Putra Rika Hariance Ryan Budi Setiawan Ryan Dwi Setyawan Sanna Paija Hasibuan Sari Rahmadhini Shinta Mulyana Silvia Permata sari Siska Efendi Siti Rahmah Sutoyo Sutoyo Syafrimen Yasin Syahyan Raesi Syarief, Zulfadly Syarief, Zulfadly Trizelia . Warnita Warnita Weni Veriani Winda Purnama Sari Winda Purnama Sari Wulan Kumala Sari Yaherwandi Yanny Savitri Zahlul Ikhsan Zul Fahmi Zul Irfan Zulfadly Syarief Zulfadly Syarif Zurai Resti