Peronosclerospora maydis pdf files

Pabendon, nurnina nonci 1, dan wahyu purbowasito setyo waskito 2 1balai penelitian tanaman serealia jl. Maydis leaf blight or southern maize leaf blight is. Studies on downy mildew of maize in indonesia with special reference to the perennation of the fungus. Status, challenges and tools for identification and diagnosis. Tracing the signature of peronosclerospora maydis in maize. Ps101 corn diseases i university of missouri extension. Dari tahun 1973 sampai 1979 diperoleh hasil panen masingmasing sebesar 115, 92, 19, 44, 62, 55, dan 70 ribu ton atau terjadi kerugian masingmasing. Sukmaraga, lagaligo, srikandi, lamuru dan gumarang. Di dalam pengembangan varietas tahan, seleksi ketahanan calon varietas baru harus dilakukan dan hal ini akan melibatkan inokulasi buatan. Status of invasive threats to field crops in minnesota. Geographical distribution of peronosclerospora spp. Modeling and mapping the current and future distribution of. Judul dari makalah ini adalah penyakit bulai peronosclerospora maydis pada tanaman jagung zea mays l. A recent outbreak of sorghum downy mildew in texas has led to the discovery of both metalaxyl resistance and a new pathotype in the causal organism, peronosclerospora sorghi.

In contrast, in the philippines, where the disease has been. Objective bacterial canker of kiwifruit caused by pseudomonas syringae pv. Comparison of host ranges of peronosclerospora philippinensis and p. Peronosclerospora philippinensis purdue university. Once files have been uploaded to our system, change the order of your pdf documents.

Pdf downy mildew disease caused by peronosclerospora maydis in maize plants can cause yield loss up to 100%. 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 stomata of maize plants with resistance to downy mildew. Tar spot occurs at high elevations in mexico, central and south america. An alternative host was strongly suspected and a survey near fields where the disease had been prevalent led to the identification of p. Molecular phylogenetic analysis of peronosclerospora. Early reports from africa are probably erroneous semangoen, 1970. Epidemi penyakit bulai peronosclerospora maydis di daerah lampung pertama kali terjadi tahun 1973 mengakibatkan penurunan hasil jagung cukup drastis pada tahuntahun berikutnya. Several species of the genera peronosclerospora, sclerospora, and sclerophthora are responsible for downy mildews. Disease management of downy mildew by using resistant varieties is considered quite effective. Symptoms on maize can be superficially similar, but microscopic examination and measurement. Perenosclerospora maydis, peronosclerospora philippinensis, peronosclerospora sacchari, peronosclerospora sorghi, sclerophthora rayssiae. Lignification of mycelium occurred in the treatment of aspirin at 6 hours observation after inoculation and saccharin treatment on observation 12 hours after inoculation. Continuing to use this website means you agree to our use of cookies.

Click add files and select the files you want to include in your pdf. Previous studies indicated that in indonesia downy mildew is caused by three different species of the genus peronoslerospora. Muis et al keragaman genetik peronoslerospora maydis pada jagung 9 keragaman genetik peronosclerospora maydis penyebab bulai pada jagung berdasarkan analisis marka ssr amran muis 1, marcia b. Peronosclerospora species and other downy mildews of the. Results obtained from this research provides a good explanation for frequent breakdown of. Pengaruh varietas dan dosis pupuk kalium terhadap perkembangan penyakit bulai peronosclerospora maydis rac. The spots gradually increase in area into bigger elliptical spots and are straw to grayish brown in the centre with dark brown margins. Peronosclerospora maydis prscmacategorization eppo. Konidianya hialin, berdinding tipis, berukuran 2446.

Arthropods acalolepta australis, acanthocinus aedilis, acizzia acaciaebaileyanae, acizzia uncatoides, acrolepiopsis assectella, acrosternum hilare, acutaspis. The disease in india has never caused large losses payak, 1975. Tinjauan pustaka biologi tanaman jagung zea mays l. You can merge pdfs or a mix of pdf documents and other files. Recovery plan for philippine downy mildew and brown stripe downy mildew of corn caused by peronosclerospora philippinensis and sclerophthora rayssiae. The list includes country requirements that receive seed from cimmyt mexico. Penyakit bulai disebabkan oleh cendawan peronosclerospora maydis yang luas sebarannya. Sporangiosfor mempunyai sumbu yang jelas, umumnya mempunyai percabangan. Graminicolous downy mildew gdm diseases caused by the genera peronosclerospora spp.

Terima kasih dan penghargaan yang setinggitingginya penulis ucapkan kepada dr muhamad syukur, sp msi, dr ir trikoesoemaningtyas, msc dan dr ir. Shaw suku peronosporaceae mempunyai sporangiosfor yang berbeda jelas dari hifa yang biasa. Peronosclerospora philippinensis, the causal pathogen of downy mildews, is one of the major maize diseases reported in most maizegrowing countries, especially in the philippines. Efficacy of three systemic fungicides against downy mildew peronosclerospora maydis rac. Mar 22, 2011 downy mildews are amongst the most widespread and economically important pathogens of cultivated grasses in the tropics and subtropics. Kathy kromroy, angie ambourn, jean ciborowski, angela stoddard, margaret wiatrowski, jennifer burrington, mike merriman, claire franke pathways survey for new and.

Crazy top downy mildew sclerophthora macrospora brown stripe downy mildew sclerophthora rayssiae var. Peronosclerospora 1prscgoverview eppo global database. Pengendalian penyakit bulai dengan menggunakan varietas tahan dinilai cukup efektif. Jenis ini berasal dari jawa dan memiliki inang jagung dan sorghum plumosum di australia 1. Kerusakan akibat penyakit pada jagung ini dapat mencapai 90% atau puso semangun, 2004. These observations and the difficulty in resolving among phylogenetically related downy mildew pathogens dramatically point out the need for simply scored markers in order to differentiate among isolates and species, and. We do not use these to store personal information about you. Click, drag, and drop to reorder files or press delete to remove any content you dont want.

Oogonianya berwarna coklat kemerahan, berbentuk elips tidak beraturan, berukuran 55 73 x 49. They are, however, documents that will help usda guide further efforts directed. Menurut bptph lampung 2012, pada 2010 serangan penyakit bulai tercatat seluas 599 hektar dan pada 2011 luas serangan meningkat menjadi. 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. Dalmacio et al 3 found that chloroplasts of both healthy and diseased leaves infected with p. Downy mildew of sorghum, maize, and sugarcane are among the worlds most destructive diseases bonde et al. Makalah pengendalian hayati patogen pengendalian hayati penyakit bulai peronosclerospora maydis pada tanaman jagung. Bulai merupakan salah satu penyakit penting pada tanaman jagung. 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.

Physoderma maydis the disease normally occurs in areas of high rainfall and high mean temperatures. Tracing the signature of peronosclerospora maydis in. Keragaman genetik peronosclerospora maydis penyebab. The aim of the present study was to test and explore the possibility of using maxent maximum entropy models to predict and analyze the future largescale distribution of psa in china.

Peronosclerospora sacchari, sclerospora indica, sclerospora maydis, and. Recovery plan for philippine downy mildew and brown stripe downy mildew of corn caused by peronosclerospora philippinensis and sclerophthora rayssiae var. Pdf documents are often used because they help preserve the original content of the document, but this can make splitting the file up a little more difficult than other document formats. Agroinovasi penyakit bulai pada tanaman jagung dan teknik. Fostering the safe distribution of maize and wheat seed. Information about peronosclerospora sorghi diagnosis, including distribution and treatment advice cookies on plantwise knowledge bank like most websites we use cookies. Java downy mildew, caused by peronosclerospora maydis.

Peronosclerospora maydis wikipedia bahasa indonesia. Recovery plan for philippine downy mildew and brown stripe. 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. Tracing the signature of peronosclerospora maydis in maize seeds. To answer this hypothesis we collected sweet corn and field corn samples from three districts in east java province, indonesia. 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. Sudjadi et al12 studied on the corn plants infected with sclerospora maydis p.

Biopestisida untuk pengendalian hama dan penyakit tanaman. Respons awal ketahanan jagung terhadap peronosclerospora. These species are formally described and illustrated as peronosclerospora australiensis sp. Penyebaran penyakit bulai bisa terjadi sangat cepat karena konidia dapat menyebar melalui udara. Kelestarian ketahanan varietas unggul jagung terhadap penyakit bulai peronosclerospora maydis iowa state university press. Peronosclerospora maydis dan daya hasil jagung manis merupakan salah satu upaya untuk mengembangkan metode perakitan hibrida jagung manis yang tahan penyakit bulai dan berdaya hasil tinggi. The first noticeable symptoms develop on leaf blades and consist of small chlorotic spots, arranged as alternate bands of diseased and healthy tissue photo 1. Crop losses occur there when tar spot infections are colonized by second fungi monographella maydis and a third fungi coniothyrium phyllachorae. Status of invasive threats to field crops in minnesota 2 background a number of emerging and invasive insects, plant pathogens, and weeds threaten commodities in minnesota.

Merge pdf files combine pdfs in the order you want with the easiest pdf merger available. If reprinting or copying, please complete the permissions form that can be found under guidelines to reprint or copy on the left side of this page. Keragaman genetik peronosclerospora maydis penyebab bulai. 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.

To download the pdf, click the download link above. Rearrange individual pages or entire files in the desired order. Peronosclerospora maydis merupakan penyakit utama yang paling berbahaya di indonesia. The pathogen was identified as peronosclerospora maydis in 1986 following examination of conidiophores with conidia and host range studies.

Downy mildew on maize in indonesia can cause total loss of yield on susceptible varieties. Small yellowish round to oval spots are seen on the leaves. Simple sequence repeat markers useful for sorghum downy. How to merge pdfs and combine pdf files adobe acrobat dc. Peronosclerospora philippinensis downy mildew of maize. Peronosclerospora maydis adalah salah satu fitopatogen penyebab penyakit bulai downy mildew yang terutama menyerang jagung dan sorgum di daerah tropika. File pdf penelitian ini bertujuan untuk mengetahui kisaran inang p. Apr 03, 2011 downy mildew on maize in indonesia can cause total loss of yield on susceptible varieties. The c ooperative a gricultural p est s urvey program is a combined effort. Peronosclerospora maydis found on maize, sweetcorn and.

Beside being dispersed by air, it is suspected that contaminated seeds also play a role in the dissemination of this disease. Downy mildew is an important disease in maize cultivation in the world. Peronosclerospora sacchari is the type species of the genus. The pathogen is a fungallike protist in the oomycota, or water mold, class. Pdf artificial inoculation methods to test the infection of. To change the order of your pdfs, drag and drop the files as you want. General information about peronosclerospora maydis prscma eppo global database. Editors note this publication is intended as a downloadable pdf. Report of fine structure in relation to sugarcane alia in 1907 9. Effects of dewperiod temperature on sporulation, germination of conidia, and systemic infection of maize by peronosclerospora sacchari.

Peronosclerospora sorghi infects susceptible plants though sexual oospores, which survive in the soil, and asexual sporangia which are disseminated by wind. Once you merge pdfs, you can send them directly to your email or download the file to our computer and view. Pathways survey for new and emerging invasive insects and. Peronosclerospora maydis, kecuali di sulawesi yang disebabkan oleh p. Detection and identification of peronosclerospora sacchari in maize by dna hybridization. They found that two types of fungal hyphae, crooked type and slender type, prevailed in the host plants.

They are sent to a computer by website operators or third parties. Categorization of peronosclerospora maydis prscma this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Cookies are small text files that contain a string of characters and uniquely identifies a browser. Punta loca, marchitez amarilla del arroz sclerophthora macrospora mildiu rayado cafe sclerophthora rayssiae var. Peronosclerospora sorghi sorghum downy mildew cabi. Penyakit penting tanaman utama penyakit bulaidowney mildew peronosclerospora maydis pada jagung zea mays novayanti g. 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. Peronosclerospora philippinensis, was initially reported from india in 19. Kindly click the following link to access the ijsbar journal site to search for published papers or to submit new paper for publication international journal of sciences. The map above is a summary of data from previous studies of muis et al 20. Peronosclerospora maydis prscmaoverview eppo global database. It attacks leaves, leaf sheaths, stalks, and sometimes outer husks. Downy mildew peronosclerospora maydis is considered one of the most destructive diseases for maize.

Peronosclerospora maydis dan peronosclerospora philippinensis yang luas sebarannya, sedangkan peronosclerospora sorghii hanya ditemukan di dataran tinggi berastagi sumatera utara dan batu malang jawa timur. 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. The subgenus peronosclerospora of sclerospora is raised to generic rank and described, the following species are transferred from sclerospora into peronosclerospora. Penelitian ini bertujuan untuk mengetahui keragaman genetik patogen penyebab penyakit bulai di indonesia menggunakan marka ssr. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. Recently it has been detected in australia bonde, 1982, but it has not been found in other countries.

The pathogen at this time, however, was misidentified as. Simamora d1a010 slideshare uses cookies to improve functionality and performance, and to. Lokasi penyakit bulai pada tanaman jagung dan teknik pengendaliannya p gp j gambar 1. Abstract downy mildew disease caused by peronosclerospora maydis in maize plants can cause yield loss up to 100%.

Mycosphaerella zeaemaydispeyronellaea zeae maydis 38. Quarantine pest list the annexed table 1 of the amended enforcement ordinance of the plant protection law 1. Peronosclerospora maydis is an obligate parasite that will not grow on artificial media. Most browsers are initially set up to accept cookies, since this is required by most website owners in order to access their sites. No seed transmission has been detected from seeds dried prior to planting smith and. Although no other graminaceous downy mildew infects sorghum, several infect maize peronosclerospora maydis, p. Quarantine pest list international plant protection convention. Adapun jenis cendawan lain yaitu peronosclerospora philipinensis dan peronosclerospora sorghii yang juga penyebab penyakit bulai ditemukan di.