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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal DIALEKTIKA : Jurnal Ilmu Sosial Wacana: Jurnal Ilmu Sosial dan Ilmu Politik Interdisiplin Journal of Student Research Student Scientific Creativity Journal Jurnal Riset Rumpun Ilmu Sosial, Politik dan Humaniora (JURRISH) Jagur: Jurnal Agroteknologi Eksekusi: Jurnal Ilmu Hukum dan Administrasi Negara Jurnal Sains Student Research Jembatan Hukum: Kajian Ilmu Hukum, Sosial dan Administrasi Negara Jurnal Ilmiah Nusantara

Dini Yuliani

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Author-ID : 2447653

Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Kelimpahan Wereng Hijau, Insiden Penyakit Tungro, dan Efektivitas Sumber Inokulum pada Ketinggian Tempat Berbeda Dini Yuliani
Jurnal Ilmu Pertanian Indonesia Vol. 19 No. 3 (2014): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Rice Tungro disease is one of biotic constraint that can reduce yield potential of rice. Tungro disease viruses are transmitted from one plant to another by leafhoppers that feed on tungro-infected plants. The most efficient vector is the green leafhopper, Nephotettix virescens. Green leafhoppers (GLH) generally found in areas with high altitude and low temperature. However, GLH and tungro disease can be found in medium and low altitude areas. The aim of this study was to determine the abundance of green leafhopper, tungro disease incidence, and effectiveness of inoculum source in different altitude at endemic areas. Field observations conducted to observe tungro disease incidence and the density of GLH population. Moreover, greenhouse activities were conducted to examine the effectiveness of inoculum sources, including ratoon, spilled grain, weeds, and plants in the vegetative phase. The results showed there was no significant difference in the GLH population dynamics in upland areas represented by Garut and lowland areas represented by Purwakarta, both showed low population density. Ratoon, spilled grain, and plants in the vegetative phase were the effective inoculum sources to be used as host tungro viruses.

Metarhizium anisopliae dan Andrographis paniculata Terhadap Serangga Bukan Hama Sasaran Dini Yuliani
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 1 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The objective of this study was to determine the effect of Metarhizium anisopliae and Andrographis paniculata to the natural enemies of Nephotettix virescens and non-target insect pests. This research was conducted in tungro endemic areas in Subang District, West Java in the wet season 2013/2014. The method of research used a split plot design with four replications. The main plot was IR66, Inpari 9, and Ciherang varieties. Subplot was the application of M. anisopliae, A. paniculata, and control. Observations were carried out five times started at nursery (2 weeks after seedling), 14, 28, 42, and 56 days after planting using insect nets, double swing 10 times on each plot observations. The results show M. anisopliae and A. paniculata not adversely affect on non-target insect pests such as Chironomid and natural enemies of N. virescens namely Lycosa pseudoannulata, Cyrtorhinus lividipennis, Sepedon sp., damselfly, Tipulidae sp., Telenomus sp., dragonfly, and Tetrastichus sp.. Efficacy of M. anisopliae and A. paniculata as one of the control strategies that are environmentally friendly and proved not harmful to non-target insect pests.

Evaluasi Ketahanan Galur International Rice Bacterial Blight terhadap Hawar Daun Bakteri dan Identifikasi Patotipe Xanthomonas oryzae pv. oryzae Provinsi Jawa Tengah Berdasarkan Galur IRBB Dini Yuliani; Wage Ratna Rohaeni; . Sudir
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is the major disease in rice plants causing considerable economic losses. The objective of the study was to evaluate the resistant International Rice Bacterial Blight (IRBB) lines against bacterial leaf blight and the identification of Xoo pathotype from Central Java Province as the basis recommendation of the resistant varieties assembly with the background of resistant genes to overcome BLB disease. The evaluation of Xoo isolates from 22 districts in Central Java Province on IRBB lines was conducted in the rainy season 2016-2017 using split plot with three replications. The main plot was 15 IRBB lines, while the subplot was 110 Xoo isolates. Among 15 lines of IRBB, there were 10 lines have functioned as pathotype examiner of Xoo. The results obtained 6 lines were reacted resistant, namely IRBB5, IRBB7, IRBB8, IRBB57, IRBB64, and IRBB66. The IRBB66 line can be used as a resistant elder for the assembly of BLB resistant varieties because it has a combination of pyramiding resistant genes that were effective against BLB in some areas of Central Java Province. Pathotype IX was only found and dominant in Pemalang. Pathotype X was obtained in six districts of Tegal, Brebes, Banjarnegara, Purbalingga, Purworejo, and Grobogan. Pathotype XII was the most dominant prototype in 15 districts. Assembling of resistant varieties with resistant gene backgrounds based on the existence of a specific Xoo pathotype in the field can reduce the severity of BLB disease.

Co-Authors . Sudir Agus W Anggara Angelica Nena putri Octavia Arie Budiawan Arie Buriawan Asep Nurdin RA Asep Nurdin Rosihan Anwar Asep Nurwanda Ayu Yuliani Deti Suarti Devi Karina Seviany Fahcmi Syam Arifin Gian Ramadhan H. Sirodjul Munir Hilya Auliya Ida Noviyanti Irfan Nursetiawan Lidya Widiantie Maharani, Nita Ospia Meli Melinda Neti Sunarti Nida Nurpadilah Otong Husni Taufiq Rahma Aulia Kharisma Regi Refian Garis Reihan Alif Setiawan Repa Nurlaela Rizka Nurlela Rizky Firmansyah Tajudin Santoso Santoso Sirodjul Munir Suryadi Suryadi Syara Agita Vina Dwi Yulianti Wage Ratna Rohaeni

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