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INDONESIA
Jurnal Penelitian Pertanian Tanaman Pangan
Published by Pusat Penelitian dan Pengembangan Tanaman Pangan
ISSN : 25415166     EISSN : 25415174     DOI : 10.21082
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Penelitian Pertanian Tanaman Pangan merupakan publikasi yang memuat makalah ilmiah primer hasil penelitian tanaman pangan (padi dan palawija). Redaksi menerima makalah dari peneliti Puslitbang Tanaman Pangan, Balai Pengkajian Teknologi Pertanian (BPTP), maupun perguruan tinggi. Makalah yang dikirimkan hendaknya sudah mendapat persetujuan dari pimpinan instansi masing-masing. Ketentuan penulisan makalah untuk dapat dimuat di jurnal ini tertera dalam "Author Guidelines/Petunjuk bagi Penulis" di halaman terakhir Jurnal Penelitian Pertanian.
Arjuna Subject : -
Articles 2 Documents
 1 
Search results for , issue " Vol 32, No 3 (2013): Desember 2013" : 2 Documents clear
Identifikasi Varietas Contoh untuk Karakter Penciri Spesifik sebagai Penunjang Harmonisasi Pengujian BUSS Padi Sitaresmi, Trias; Yunani, N.; Zakki, K. A.F.; Mulsanti, Indria W.; Utomo, Sudibyo T.W.; Daradjat, A. A.
Jurnal Penelitian Pertanian Tanaman Pangan Vol 32, No 3 (2013): Desember 2013
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (104.158 KB) | DOI: 10.21082/jpptp.v32n3.2013.p148-158

Abstract

DUS testing (distinctness, uniformity, stability) for a new variety is required for plant variety protection, using international standard method stated on the test guideline. Identification of specific traits needs to be done, in order to obtain stable characters that are valid to be used as standard variety to represent appearance of class-specific characters. This study aims to 1) evaluate specific/asteric characters (*) according to UPOV descriptors; 2) Identify genotypes that can be used as standard varieties for the appearance of specific characters in the process of harmonization of DUS testing among rice producing countries in Southeast Asia. Activities included characterization of 56 genotypes of irrigated and upland rice and were carried out at the Experimental Station of Indonesian Center for Rice Research in Sukamandi, West Java, from September 2011 to January 2012. Observation of plant characters was based on PPU. The result showed that from 43 of class expression of asteric qualitative characters (*), only 28 class expressions were identified in the materials. The characters class expressions are represented by 25 genotypes/varieties. Another eleven more characters asteric (character essential for the harmonization of test results for the PVP), which were not represented by the candidate sample varieties in this study need to identified.
Gulma Inang Virus Tungro dan Kemampuan Penularannya ke Tanaman Padi Ladja, Fausiah
Jurnal Penelitian Pertanian Tanaman Pangan Vol 32, No 3 (2013): Desember 2013
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (77.043 KB) | DOI: 10.21082/jpptp.v32n3.2013.p187-191

Abstract

Tungro disease in rice (Oryza sativa Linn) is caused by rice tungro virus (RTV), which consists of two forms of particles, namely Rice Tungro Bacilliform Virus and Rice Tungro Spherical Virus. The virus is effectively transmitted by green plant hopper (Nephotettix virescens). The alternate hosts for the virus in the paddy field are the remnant of rice shoot, weeds and wild rice. The research was conducted at green house and at Field Experiment of Virus Research Station in Lanrang South Sulawesi, during Wet Season of 2010. Total of twenty weed species dominant in the rice field were collected and were innoculated with tungro virus. Weed species capable as alternate host of tungro virus were used as source of inoculums for the four rice varieties, i.e. Inpari 7, Inpari 8, IR64, and TNI, and they were planted surrounding the rice test varieties. The experiment was laid in a randomized block design, four replicates. Result showed that among the fifteen weed species identified as alternate host, only four were capable of transmiting tungro virus to rice plant, namely Cyperus rotundus, Phyllanthus niruri, Fimbristylis miliaceae, and Eulisine indica. Tungro disease severity was positively correlated with the population of insect vector.

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