Percobaan dilakukan di rumah kaca untuk mengetahui ketahanan p. Peronosclerospora maydis found on maize, sweetcorn and plume sorghum in far north queensland peronosclerospora maydis found on maize, sweetcorn and plume sorghum in far north queensland ramsey, m. File pdf penelitian ini bertujuan untuk mengetahui kisaran inang p. Pantoea stewartii acremonium maydis, peronosclerospora maydis, peronosclerospora sacchari, peronosclerospora spontanea, sclerophthora macrospora, ustilago maydis diabotrica virgifera virgifera pakistan required must be free from soil and weeds certified free from insect pests and diseases. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Aug 09, 2019 bulai jagung pdf hasanuddin university. Pathways survey for new and emerging invasive insects and. Silitonga, dkk, 2007 pengendalian terhadap penyakit h.
To answer this hypothesis we collected sweet corn and field corn samples from three districts in east java province, indonesia. Tracing the signature of peronosclerospora maydis in maize. Geographical distribution of peronosclerospora spp. Peronosclerospora maydis prscma peronosclerospora miscanthi prscmi peronosclerospora philippinensis prscph. Despite their importance, molecular methods, particularly dna sequence analysis, have rarely been applied to either species identification or to the determination of phylogenetic relationships between species. None of these is listed as a select agent, although p. Morphological examination, supported by unnamed phylogenetic lineages found previously from dna sequence analysis, revealed the presence of two new downy mildews on native sorghum spp. Tujuan penelitian ini adalah untuk mengetahui pengaruh agensia hayati p. This method is an advance over the prior art in that it allows better defined, more accurate comparisons of adjacent test areas, eliminating the need for extrapolation of. Country phytosanitary requirements, seed free from. Hasil penelitian menunjukkan bahwa peronosclerospora maydis telah resisten terhadap fungisida metalaksil. Diseases of maize downy mildewcrazy top sorghum downy mildew peronosclerospora sorghi phlippine downy mildew peronosclerospora philippinensis crazy top sclerophthora macrospora symptoms the most characteristic symptom is the development of chlorotic streaks on the leaves.
Sporangiosfor mempunyai sumbu yang jelas, umumnya mempunyai percabangan. Java downy mildew, caused by peronosclerospora maydis, was discovered by. To download the pdf, click the download link below. Respons awal ketahanan jagung terhadap peronosclerospora. Graminicolous downy mildew gdm diseases caused by the genera peronosclerospora spp. Mar 22, 2011 downy mildews are amongst the most widespread and economically important pathogens of cultivated grasses in the tropics and subtropics. Putatives to usda sclerophthora rayissiae var zeae brown stripe downy mildew visual. Penyakit bulai jagung dan ekologi jamur peronosclerospora maydis. Alternatively, you can also download the pdf file directly to your computer, from where it can be opened using a pdf reader. Jul 14, 2019 bulai jagung pdf hasanuddin university. A total of 19 isolates of peronosclerospora sorghi including p1 metalaxyl susceptible, p3 and p6 both metalaxyl resistant and susceptible pathotypes collected in different years from different parts of texas where the disease outburst occurred were included in this study.
Crazy top downy mildew sclerophthora macrospora brown stripe downy mildew sclerophthora rayssiae var. Pengaruh bakteri paenibacillus polymyxa dan jamur trichoderma sp. Tran thi oanh yen, prasanna bm, setty tas, rathore rs, 2004. Biotic stresses are responsible for lowering yield 5. The last jedi, the most anticipated movie in was launched on december, bupai identification key of third species of peronosclerospora accurately to be used in identification of peronosclerospora causes downy mildew of maize in indonesia. Tracing the signature of peronosclerospora maydis in maize seeds. Peronosclerospora maydis found on maize, sweetcorn. Pdf morphological variation of peronosclerospora maydis.
Observations on the germination of oospores of peronosclerospora maydis. Recovery plan for philippine downy mildew and brown stripe. Aug 18, 2019 bulai jagung pdf hasanuddin university. The use of fungicides yielded different reactions to the disease at various locations in indonesia. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader. Pathogenic variability amongst isolates of crinipellis perniciosa from cocoa theobroma cacao. Keragaman genetik peronosclerospora maydis penyebab bulai. Hence, we employed two molecular marker systems, namely ssr simple sequence repeat and ardra amplified ribosomal dna restriction analysis markers, to study the. Peronosclerospora maydis photo 4 philippine downy mildew peronosclerospora philippinensis photo 5 sugarcane downy mildew peronosclerospora sacchari photo 6 sorghum downy mildew peronosclerospora sorghi photos 7, 8, 9 6 these diseases are of serious concern to maize. Braun 10 pages international journal of agricultural technology. These species are formally described and illustrated as peronosclerospora australiensis sp.
Peronosclerospora 1prscgoverview eppo global database. Peronosclerospora maydis is an obligate parasite that will not grow on artificial media. Ramsey plant pathology branch, queensland department of primary industries, fo box 1054, mareeba, queensland 4880, australia and d. Target pests visual surveys brown stripe downy mildew. Beside being dispersed by air, it is suspected that contaminated seeds also play a role in the dissemination of this disease. Downy mildew peronosclerospora maydis is considered one of the most. Ecological characteristic of peronosclerospora maydis in java, indonesia. Downy mildews are amongst the most widespread and economically important pathogens of cultivated grasses in the tropics and subtropics. Downy mildew peronosclerospora maydis is considered one of the most destructive diseases for maize. Terhadap penyakit bulai peronosclerospora maydis rac. Commonly known as philippine downy mildew, this disease is caused by the species peronosclerospora philippinensis of the fungallike protist class oomycetes, which also has members such as water molds and phytophthora infestans, which caused the potato blight that led to the great irish famine. Peronosclerospora maydis found on maize, sweetcorn and plume. High disease incidence has been reported in many parts in the country specifically in northern luzon and in many parts of mindanao despite breakthroughs in controlling or. May 27, 2015 read morphological variation of peronosclerospora maydis, the causal agent of maize downy mildew from different locations in javaindonesia, journal of agricultural engineering and biotechnology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Peronosclerospora maydis found on maize, sweetcorn and plume sorghum in far north queensland. Morphological variation of peronosclerospora maydis, the. Peronosclerospora philippinensis, the causal pathogen of downy mildews, is one of the major maize diseases reported in most maizegrowing countries, especially in the philippines. Pengendalian penyakit bulai dengan menggunakan varietas tahan dinilai cukup efektif. If you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Simple sequence repeat markers useful for sorghum downy.
Peronosclerospora maydis is known as the causal agent of downy mildew in java, indonesia. Pengaruh bakteri paenibacillus polymyxa dan jamur trichoderma. Peronosclerospora maydis, peronosclerospora philippinensis, peronosclerospora sacchari, sclerophthora macrospora, sclerophthora rayssiae var. Putatives to usda stem harporphora maydis late wilt of corn visual. Lokasi penyakit bulai pada tanaman jagung dan teknik pengendaliannya p gp j gambar 1. Determinasi ketahanan peronosclerospora maydis terhadap. Commonly known as philippine downy mildew, this disease is caused by the species peronosclerospora philippinensis of the fungallike protist class oomycetes, which also has members such as water molds and phytophthora infestans, which caused the potato blight that led to the great irish famine its hosts are typically grasses, cultivated and wild sorghum, sugarcane, and maize found in most of.
Varying effectiveness of metalaxyl fungicides and disease incidences caused by downy mildew to maize in several places in indonesia led to the speculation that genetic variation of peronosclerospora species in indonesia exists. Penyakit bulai jagung dan ekologi jamur peronosclerospora maydis kelompok 5 fanny i 150110080 tohom d. Or the consignment of maize seeds was officially tested and found free. Acremonium maydis, claviceps gigantea, cochliobolus heterostrophus, drechslera maydis race t, peronosclerospora philippinensis, peronosclerospora sacchari, peronosclerospora sorghi prostephanus truncatus required insecticide and fungicide, with description. These are two of several downy mildew diseases that occur in china, india, indonesia, nepal, pakistan. Pdf uji ketahanan tujuh kultivar jagung zea mays l. Agroinovasi penyakit bulai pada tanaman jagung dan teknik. We then employed a manual grinder to crush the seeds. We do not use these to store personal information about you. In contrast, in the philippines, where the disease has been. Judul dari makalah ini adalah penyakit bulai peronosclerospora maydis pada tanaman jagung zea mays l. The following international journals are providing a magnificent platform to publish papers of excellent theoretical and applied research in all present and future sciences, from basic research to application development in all fields of research. Unraveling the genetic diversity of maize downy mildew in indonesia. Read morphological variation of peronosclerospora maydis, the causal agent of maize downy mildew from different locations in javaindonesia, journal of agricultural engineering and biotechnology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
The pathogen is a fungallike protist in the oomycota, or water mold, class. Peronosclerospora philippinensis, was initially reported from india in 19. The invention provides a method for analyzing spatial variations in field and crop performance. Peronosclerospora philippinensis downy mildew of maize. Pada kelembaban 9798 % jamur dapat membentuk banyak konidium shurtleff, 1980. The disease was reported in india by butler 19 and has continued to spread. General information about peronosclerospora 1prscg this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Other tropical downy mildews that can reproduce on maize include p. Due to the overlap in morphology, intraspecific variability in symptoms, and pathogenicity, separation of pdm and p. Tracing the signature of peronosclerospora maydis in. The method allows analysis of the field and crop performance as a function of various treatment andor environmental conditions. Draft notification of department of agriculture re. General information about peronosclerospora maydis prscma eppo global database. Pdf maize downy mildew is one of the major constraints for maize production in indonesia.
Keberadaan penyakit bulai akibat peronosclerospora maydis pada tanaman jagung mampu menyebabkan kehilangan hasil hingga 100%. The disease in india has never caused large losses payak, 1975. Salah satu kendala dalam budidaya jagung adalah penyakit bulai yang disebabkan oleh p. Status, challenges and tools for identification and. Unraveling the genetic diversity of maize downy mildew in.
In susceptible maize varieties it can caused 100% damage. Philippine downy mildew of maize peronosclerospora philippinensis and downy mildew of sorghum p. Downy mildew peronosclerospora maydis is considered one of the most destructive diseases for. Continuing to use this website means you agree to our use of cookies. Symptoms of a downy mildew disease were recognized on maize growing in the atherton tableland and lakeland downs areas of far north queensland in. Genetic variability for resistance to sorghum downy mildew peronosclerospora sorghi and rajasthan downy mildew p. Maydis dapat dilakukan dengan pergiliran tanaman dilakukan guna menekan meluasnya jamur, pengendalian. Peronosclerospora maydis prscmaoverview eppo global database. Downy mildew caused by the obligate oomycete peronosclerospora genus, is one of the most. Infected corn plants grown during the dry season are the primary source of inoculum in. Tinjauan pustaka biologi tanaman jagung zea mays l. Beside being dispersed by air, it is suspected that.
Us6505146b1 method and system for spatial evaluation of. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. In an effort to increase production of corn, farmers are faced with various problems, one of which is the problem of disease. The pathogen at this time, however, was misidentified as. Downy mildew caused by peronosclerospora maydis is an important disease in the centers of corn cultivation in java. Salah satu kendala yang dihadapi dalam budidaya jagung manis yaitu penyakit bulai. Di dalam pengembangan varietas tahan, seleksi ketahanan calon varietas baru harus dilakukan dan hal ini akan melibatkan inokulasi buatan. Several species of the genera peronosclerospora, sclerospora, and sclerophthora are responsible for downy mildews. Executive summary philippine downy mildew of maize pdm, caused by the oomycete peronosclerospora philippinensis and brown stripe downy mildew bsdm caused by sclerophthora rayssiae var. Symptoms of sorghum downy mildew include chlorosis, shredding of. The research aimed to determine the resistance of some maize varieties against downy mildew caused by peronosclerospora maydis and determine the relation between density, length and width of.
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