Like other viruses, bean common mosaic virus interferes with genetic signaling within the plant. Leaves that are distorted by the virus cannot function normally, so plants stop gaining size and may produce dense clusters of infertile flowers
Bean common mosaic virus (BCMV) is a potyvirus that induces mosaic symptoms in bean plants (left panel) and decreases yield. Some varieties of bean are resistant to BCMV but ironically this makes them sensitive to systemic necrosis and death if they become infected with another potyvirus, bean common mosaic necrotic virus (BCMNV: middle panel) . Crop losses caused by BCMV and BCMNV impact severely not only on commercial scale cultivation of this high-value crop bu Galvez GE, 1980. Aphid-transmitted viruses. In: Schwartz HF, Galvez GE, eds. Bean common mosaic virus in bean production problems. Cali, Colombia: CIAT, 211-233. Gamez R, 1973. The viruses of beans in Central America. III. Races of common bean mosaic virus from El Salvador and Nicaragua. Turrialba, 23(4):475-47
There are a number of mosaic viruses that commonly affect plants in the vegetable garden, including: Bean Common Mosaic Virus (BCMV) and Bean Yellow Mosaic Virus (BYMV) are the primary mosaic viruses that affect beans of all types. They are typically spread by aphids, but BCMV is also seed-borne, so do not save seeds from infected plants Bean yellow mosaic virus (BYMV), also called bean virus 2 (BV-2), is the most widespread bean virus in New York State and can be found nearly every year. The symptoms of this disease may vary depending upon the variety, the virus strain, the stage of growth at the time of infection, and environmenta
Affecting a wide variety of horticultural and vegetable crops — roses, beans, tobacco, tomatoes, potatoes, cucumbers and peppers — mosaic is a viral diseases found throughout the United States. Plant viruses can be difficult to detect as symptoms look similar to many nutrient deficiencies and vary depending on the age of the plant when. Complementation of the Host Range Restriction of Southern Cowpea Mosaic Virus in Bean by Southern Bean Mosaic Virus David L. Hacker1 and Benjamin C. Fowler2 Department of Microbiology and Center for Legume Research, University of Tennessee, Knoxville, Tennessee 37996-084
Introduction. Legumes and in particular common bean (Phaseolus vulgaris L.) and cowpea (Vigna unguiculata L.) are the primary source of proteins in developing countries and in particular within the sub-Saharan Africa (SSA) region.However, one of the major limitations in legume production are viruses, among them are bean common mosaic necrosis virus and (BCMNV) cowpea aphid-borne mosaic virus. The taxonomy of BCMV and BCMNV has undergone major changes and this section aims to clarify its current status. Prior to 1934, BCMV was variously named Bean virus 1, Bean mosaic virus, and Phaseolus virus 1 (Morales & Bos, 1988).The originally identified BCMV isolate was lost, and all reports on the virus from its discovery in 1917 until 1943 presumed that all BCMV strains were pathogenically. Diseases, like the bean mosaic virus and bacterial brown spot, may cause pods to bend in many different directions. In mosaic viruses, pods tend to have blotchy coloration, with dark and light green areas or bronzing scattered across the pod. Bacterial brown spot sometimes causes brown spots to appear on pods The virology diagnostics team at Fera utilises a range of tests, including ELISA, and molecular methods such as PCR and next generation sequencing, to both detect and identify a range of plant affecting viruses, viroids and phytoplasmas. Accurate plant virus diagnosis is integral to effective crop management Sobemoviruses infect both dicotyledonous and monocotyledonous plants. However, the natural host range of each virus species is narrow except that sowbane mosaic virus (SoMV) can infect plants from several different families. Disease symptoms are mainly mosaic and mottle of infected leaves
BCMV, the former serotype B, contains many strains including some that were previously considered to be distinct viruses, such as peanut stripe virus (PStV), blackeye cowpea mosaic virus, Dendrobium mosaic virus (DeMV), Author's personal copy Bean Common Mosaic Virus and Bean Common Mosaic Necrosis Virus 5 Table 2 Bean Common Mosaic Necrosis. Bean Common Mosaic Virus Bean common mosaic virus, or BCMV, may cause the leaves of a plant to become mottled and stunted and curled downward, reports the University of California Agriculture and.. All cultivated bean varieties are susceptible and the diseaseis regarded as the most serious threat to bean production in SriLanka. Using the current taxonomic nomenclature (Fauquet etal., 2008) we propose the name Horsegramyellow mosaic virus-[Sri Lanka:2009] HgYMV-[LK:09] for this variant of the virus. This is the first report of the virus in. Peace lily mosaic virus [DQ851494] (PcLMV) Bean common mosaic necrosis virus . Bean common mosaic necrosis virus-USA:NL-3 [AY282577] (BCMNV-NL3) Bean common mosaic virus . Bean common mosaic virus-NL4 [DQ666332] (BCMV-NL4) Azuki bean mosaic virus [AB012663*] (AzBMV) Blackeye cowpea mosaic virus [AJ312437=NC_003397] (BlCMV) Dendrobium mosaic.
While the soybean-infecting tospovirus (Soybean vein necrosis-associated virus, SVNaV) genome has been completely sequenced , only the RNA-dependent RNA polymerase gene of the common bean tospovirus (Bean necrotic mosaic virus, BeNMV) has been determined . No biological characterization has been reported for either virus The cowpea plans naturally infected with AMV exhibit yellow (calico) mosaic foliage symptoms, at times, leaf yellowing accompanied by leaflet let deformation and dwarfing of plants. Infected parts turn yellow without any discoloration of seeds Bean yellow mosaic virus is the main cause of mosaic symptoms in faba bean and it is common in all parts of the world; furthermore, there are numerous BYMV strains and variants. 28 The infection is transmitted through sap inoculation and aphids A. craccivora, A. fabae, A. pisum, M. persicae), while main and alternate sources of infections are. Bean common mosaic (043) - Worldwide distribution. Pasture and food legumes, e.g., yard long and French bean, and weeds, e.g., wild passion fruit. Important disease that lowers pod yields. Plants stunted, leaves distorted with light and dark green patches. Spread by aphids, seed (>30%) and, less importantly, in pollen. Cultural control: select healthy plants for seed; do not plant new crops.
Country of publication : UK. Language of text : English. Indexing terms for this abstract: Organism descriptor(s) : Bean common mosaic virus bean common mosaic virus Subject Category: Organism Names see more details, Glycine (Fabaceae) glycine (fabaceae) Subject Category: Organism Names see more details, Glycine max glycine max Subject Category. X-ray diffraction studies reveal that the polypeptide chain of the southern bean mosaic virus protein subunit has a fold closely similar to the shell domain of tomato bushy stunt virus. The. Bean (Phaseolus vulgaris) is one of the most important vegetables in Sri Lanka.In 1999, a new bean disease was reported from the town of Balangoda, Sri Lanka. Symptoms included a bright yellow mosaic pattern on the leaves, rugosity, reduced leaf size and stunting of the entire plant Bean Mosaic Virus Bean Powdery Mildew Bean Root Rot Bean Rust Bean White Mould Brassica Alternaria Leaf Spot Tobacco Mosaic Virus Tomato Early Blight Tomato Fusarium Wilt Tomato Powdery Mildew UK/Europe; Australia/NZ; S Afric Twenty-seven seed samples of catjang bean and yard long bean (Vigna unguiculata sspp.) collected from different provinces of North Vietnam were tested for the presence of the blackeye cowpea mosaic strain of Bean common mosaic virus (BCMV-B1CM), Cowpea aphid-borne mosaic virus, Cowpea mosaic virus, Cucumber mosaic virus and Southern cowpea mosaic virus using a growing-on test, ELISA, bioassay.
Mosaic Cucumber Virus is one beast of a disease, and unfortunately once infected, the plant cannot be cured. This virus is most often spread by aphids, and can live in the soil that the plants inhabit. It can even over-winter in perennial and weed roots, returning with the new growth in the spring. The virus is fairly easy to spot How to Identify Curly Top. There are several symptoms that may indicate curly top: The leaves of the infected plants, especially tomatoes and peppers, twist and curl upwards. The petioles (the stalk that is attached to the stem and is supporting the leaf) may bend downwards. The leaves turn yellow with purplish veins 2.1. Virus preparation The southern bean mosaic virus stock (cow pea strain) was kindly provided by Dr. J. E. Johnson of Purdue University. The virus was grown in cowpea plants and was isolated in the native, com-pact state using a modiﬁcation (Johnson et al., 1974) of the puriﬁ-cation procedure of Ghabrial et al. (1967) Bean common mosaic necrosis virus (BCMNV) is one of the most common and most destructive viruses of common bean and can cause a yield loss as high as 100%. The common bean ( Phaseolus vulgaris L) is an important legume crop for food and cash in Kenya. In Kenya, there is inadequate documentation on the strains of the virus infecting common bean Record Number : 19801369805. Identifier (s) : alfalfa transient streak virus, arracacha virus, CMI/AAB description, CMI/AAB descriptions of plant viruses, MAIZE RAYADO FINO MARAFIVIRUS, OAT STERILE DWARF FIJIVIRUS, phytopathogens, phytopathology, set 14, strawberry veinbanding virus, TURNIP YELLOW MOSAIC TYMOVIRUS, viruses of plants
Mungbean mosaic virus (MBRV), Bean common mosaic virus — serotype B, Azuki bean mosaic virus, Bean mosaic virus, Bean western mosaic virus (Bos, 1964), Blackeye cowpea mosaic virus (305, mungbean mosaic virus (Abu Kassim, 1981; Kaiser and Mossahebi, 1974; Rao et al., 1986), Peanut stripe virus, Peanut mild mottle virus, Peanut chlorotic ring. Salerno-Rife T, Rutgers T, Kaesberg P. Translation of southern bean mosaic virus RNA in wheat embryo and rabbit reticulocyte extracts. J Virol. 1980 Apr; 34 (1):51-58. [PMC free article] Ghosh A, Rutgers T, Ke-Qiang M, Kaesberg P. Characterization of the coat protein mRNA of southern bean mosaic virus and its relationship to the genomic RNA Direct sow outdoors in spring after the threat of frost has passed, and every 2-3 weeks until mid- summer for a continuous supply. Ideal germination temperature is 70-90 F. Plant seeds 1 inch deep in rows, spacing seeds 2-4 inches apart. Keep the seedlings moist but not soaked. Do not splash water onto the foliage as this spreads bean mosaic virus The most important virus vector is the peach-potato aphid (Myzus persicae) due to the large numbers that can invade UK beet crops. The potato aphid (Macrosiphum euphorbiae) is also significant in transmission of the yellowing viruses and the black bean aphid (Aphis fabae) can transmit BYV and BtMV. The black bean aphid normally appears in late.
Re: Runner beans looking poorly. « Reply #9 on: July 01, 2021, 16:43 ». Back again. We had some heavy downpours since I last wrote that seems to have got rid of the blackflies and ants and the runner beans are shutting up, although the worst infested plant is the slowest to recover and is half the size of the others. Logged Bean common mosaic virus Azuki bean mosaic virus Bean common mosaic virus isolate Mysore Bean common mosaic virus strain Blackeye Dendrobium mosaic virus Peanut stripe virus Bean yellow mosaic virus Bean yellow mosaic virus isolate B25 Bean yellow mosaic virus-[Canna] Bean yellow mosaic virus-[Capsicum annuum 'Purple flash'] Bean yellow mosaic. Ghabrial, S. A. and Schultz, F. (1983). Serological detection of bean pod mottle virus in bean leaf beetles. Phytopathology 73: 480-483. Calvert, L. A. and Ghabrial, S. A. (1983). Enhancement by soybean mosaic virus of bean pod mottle virus titer in doubly infected Serological detection of bean pod mottle virus in bean leaf beetles
Aphids can spread bean mosaic virus. If this becomes a problem, plant resistant varieties. Besides aphids, you'll want to watch out for the common bean beetles. Be ready to knock them into a jar of soapy water Lots of tasty, stringless, bright yellow, pencil pods, borne on vigorous plants which can tolerate unfavourable and variable weather conditions - just right for growing in the UK! Good for freezing. Resistant: bean mosaic virus. Growing Information. Grow outdoors (or in a tunnel or greenhouse for late crops) in the same way as runner beans Bush green bean varieties grow to about 2 feet (60 cm) tall. When properly spaced, the plants grow together and support each other, and need no trellising. They come in a week or two earlier than pole beans, but produce fewer green beans. OP=Open Pollinated BMV=Resists Bean Mosaic Virus A=Resists Anthracnos The size of the tobacco leaf mosaic virus is 17 mµ.On the other hand, parrot fever virus (Psittacosis) Chlamydia psittaci is the largest among the viruses, which is a large as 450 mµ in diameter.According to Salle (1974), these are not virus. They can easily seen under a normal compound microscope
Incidence of bean common mosaic virus and bean common mosaic necrosis virus in bean (Phaseolus vulgaris L.) and wild legume seedlots in Tanzania. Seed Sci Technol. 2000; 28: 85-92. View Article Google Scholar 18. Myers JR, Mink GA, Mabagala R. 2000. Surveys for bean common mosaic virus in East Africa Robert H. Symons, in RNA, 2001 12.7.1 Hammerhead Self-cleavage Structure. The hammerhead self-cleavage structure was first identified in both the (+) and (−) forms of ASBV 41 and so named and further defined during the characterization of the self-cleavage of the 324 nt virusoid or viroid-like satellite RNA of lucerne transient streak virus (vLTSV) 50− 52 and the (+) form of the 359 nt. Dwarf Bean. We offer a wide range of dwarf bean varieties for the professional grower with improvements in colour, texture, taste, size, plant habit and disease resistance. More varieties are available for each size with specific technical specifications. Contact the Tozer sales office or our product specialist for more details 'Cauliflower mosaic virus is universally used as a 'promoter' which amplifies gene activity.' 'In the field, it's hard to tell the difference between infection from soybean mosaic virus and bean pod mottle virus.' 'Black raspberries also are very susceptible to mosaic virus.' Tobacco mosaic virus (TMV) causes a mottling of older leaves and may cause the malformation of leaflets, which may become shoestring-like in shape. Viruses are highly infectious and readily transmitted by any means that introduces even a minute amount of sap from infected into healthy plants
Molecular studies on Southern Bean Mosaic virus. Author: Othman, Rofina Yasmin. ISNI: 0000 0001 3461 0294 Awarding Body: University of East Anglia uk.bl.ethos.359327 DOI: Not available: Keywords: Agronomy Share: Terms and. Cucumber Mosaic Virus Tobacco Mosaic Virus is not the most common virus to infect houseplants. The Cucumber Mosaic Virus, named for the first plant it attacked, causes a lot of deaths among herbaceous and woody plant species. Ornamental plants tend to be among the largest number of victims Aphid, Black Bean Aphid, Cabbage Aphid, Rose Aphid, Woolly Aphids (General) Asparagus Beetle Bay Sucker Psyllid Bean Mosaic Virus Bean Powdery Mildew Bean Root Rot Bean Rust Bean White Mould Brassica Alternaria Leaf Spot Brassica Black Rot Brassica Club Root Brassica Downy Mildew Bumble Bee Burying Beetle Butterfly Cabbage Moth Cabbage Root Fly. Good resistance to Bean Mosaic Virus and Anthracnose. Dwarf Bean 'Nomad' produces bumper crops of straight, stringless, dark-green pods. Flavour is outstanding. 'Cantare' AGM (Duchy Originals Organic Seeds via T&M) Heavy yields of dark green pods of about 10cm (4) in length that can be picked over a long period. French runner bean hybrid Yellow net and yellow mosaic patterns can also develop. Infection by the PNRSV virus can cause leaf mottling.Vein banding, often seen in roses infected with both PNRSV and ArMV, can occur with PNRSV-only infections, especially during long periods of high temperatures. In some cultivars, RMVc causes a color-breaking, mottled effect in flowers
Lablab has increased livestock mass and milk severe mosaic virus (CPSMV), Southern bean mosaic virus production during the dry season (Makembe and Ndlovu (SBMV) and Tobacco mosaic virus (TMV) were detected 1996; Murphy and Colucci 1999), and goats fed with maize from samples collected from NGSZ, while CMV, CPMoV, stover diets gave birth to kids. Bean Mosaic Virus Bean Powdery Mildew Bean Root Rot Bean Rust Bean White Mold Brassica Alternaria Leaf Spot Tobacco Mosaic Virus Tomato Early Blight Tomato Fusarium Wilt Tomato Powdery Mildew UK/Europe; Australia/NZ; S Afric Unfortunately, this virus affected my pink-eyed purple podded beans - which did not have mosaic until the tepary bean plants grew larger. My tolerance for disease in my garden is zero. This means that the beans were removed, pods and all, along with other infected plants and all bean debris was promptly deposited in the trash This variety is earlier and higher yielding than 'Kelvedon Wonder'. It produces long, stringless pods which have a delicious flavour. It also shows good resistance to common bean mosaic virus and. Full text unavailable from EThOS. Please contact the current institution's library for further details
The sturdy plants are not sensitive to wind and are resistant to the bean mosaic virus (V1) and the common bean mosaic virus (BCMV1). Planting: Never plant in cold, damp weather. Plant in warm, nutrient-rich soils in a sunny location. Make sure to water regularly. At the beginning of May, plant 4-5 beans in pots Delivery from. Late May to Early June. An incredibly reliable variety producing an abundance of stringless beans over a long season. Has good French bean flavour. Good disease resistance against bean mosaic virus and anthracnose. RHS AGM winner. If picked regularly, Delinel will crop over and over again Bean golden mosaic virus (BGMV) is a single-stranded DNA virus (family Geminiviridae, genus Begomovirus) whose genome has two components of about 2.6 kb in length each, typical of the New World geminiviruses (Gilbertson et al. 1993), both of which are necessary for plant infectivity French Bean Purple Teepee as the name suggests produces slightly curved, long dark purple pods, which are round in profile. The beans are held above the foliage for ease of picking, have excellent flavour and are stringless. Best picked when pods are young, they turn dark green when cooked. Resistant to Common Bean Mosaic Virus
Magdoff-Fairchild (1967) found a maximum of ΔIEP 2 among four variants of highly purified Southern bean mosaic virus, all measured under the same conditions. Other groups confirmed strain dependency within a single study with ΔIEPs of comparable or smaller magnitudes ( Aach 1963 ; Douglas et al. 1966 ; Chlumecka et al. 1973 ; Mouillot and. Key words: Bean common mosaic virus (BCMV), Bean common mosaic necrosis virus (BCMNV), common bean viruses, Tanzania, virus molecular detection. INTRODUCTION Common bean (Phaseolus vulgaris L.) is a diploid (2n = 2x = 22) self-pollinating species that can also out-cross, albeit at very low rates (Ferreira et al., 2000; Gepts, 2001) Beans are a good source of Vitamin A and freeze well. Neckarqueen is a vigorous climbing variety that is well suited to the variable (often poor) british weather. Producing lots of tasty, stringless, long, oval/round pods up to 29cm with resistance to Bean Mosaic Virus 1 and 2. Sow from March-April in pots undercover, May-June direct outdoors
Bean Mosaic Virus Common Rust Curly Top Beet Mosaic Virus Halo Blight Powdery Mildew Beans Beans are a staple in nearly every garden — whether you grow to feed your family or to sell at market. At Johnny's we trial multiple bean varieties, and offer only those that meet our standards for flavor, true-to-type performance, and yield. Our. The 'BCMV +' represents the bean common mosaic virus subgroup consisting of BCMV (of which AzMV, BlCMV, DeMV, PStV are strains), BCMNV, CABMV (includes SAPV), WMV-2 (includes VNV), PWV and ZYMV, and the 'BYMV +' refers to the bean yellow mosaic virus subgroup consisting of BYMV (includes pea mosaic virus) and ClYVV
Click on the article title to read more 85 days. A favorite staple in Italian cuisine, and a key ingredient in minestrone soup, this rich, meaty, white, kidney bean is delicious and satisfying when cooked. Our Cannellini Lingot variety produces delectable, hearty beans in 6-8 inch pods on bush-type plants that reach 22-26 inches tall. Seeds per ounce: 45 Abstract. Eight viruses are reported from cowpeas in Africa. Three are beetle‐transmitted (cowpea yellow mosaic comovirus, cowpea mottle virus (carmovirus?), and southern bean mosaic sobemovirus), two are aphid‐borne (cowpea aphid‐borne mosaic potyvirus and cucumber mosaic cucumovirus), two are whiteflytransmitted (cowpea golden mosaic virus (geminivirus?) and cowpea mild mottle. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Bean (Phaseolus vulgaris) is one of the most important vegetables in Sri Lanka. In 1999, a new bean disease was reported from the town of Balangoda, Sri Lanka. Symptoms included a bright yellow mosaic pattern on the leaves, rugosity, reduced leaf size and stunting of the entire plant A survey of viruses affecting French bean (Phaseolus vulgaris) in Iran includes a first report of Southern bean mosaic and Bean pod mottle virus. Plant Disease 89 (9): 1012. DOI: 10.1094/PD-89-1012B
Pea & Bean Seeds Sow pea seeds and bean seeds in succession (every few weeks), and you'll have a continuous crop through the summer! Plant sweet peas near these delicious legumes to improve pollination, and companion plant with nasturtiums to draw aphids away from your crop This is the first scholarly reference work to cover all the major scientific themes and facets of the subject of seeds. It outlines the latest fundamental biological knowledge about seeds, together with the principles of agricultural seed processing, storage and sowing, the food and industrial uses of seeds, and the roles of seeds in history, economies and cultures 60 days. The perfect Romano bean for fresh-from-the-garden harvesting over the long season. This flavorful pole bean yields big, flat sided pods that average 9 inches in length and remain stringless. A great bean for quick and nutritious summer meals. Grows 6-8 feet tall. White seeds; 60 per ounce. BM
T=3 icosahedral capsid protein. The capsid is composed 60 asymmetric units made of 3 protein (T=3), for a total of 180 capsid proteins. Icosahedric triangulation number is calculated following Caspar and Klug system. Physical principles in the construction of regular viruses. D. L. Caspar, A. Klug À côté de chaque source dans la liste de références il y a un bouton « Ajouter à la bibliographie ». Cliquez sur ce bouton, et nous générerons automatiquement la réfé Item Details. Also known as Cherokee Black, the variety is good as both a snap and a dry bean; when mature, the greenish-purple 6 pods encase shiny jet-black seeds. This bean was shared with Seed Savers Exchange by the late Dr. John Wyche of Hugo, Oklahoma. His Cherokee ancestors carried this bean over the Trail of Tears, the infamous winter. The Long Island is a compact Brussels sprout with heavy yields! This is a workhorse variety that produces very flavorful sprouts. This compact, 24 tall plant yields 75-100 dark green, 1-2 sprouts over a long period. Don't overlook this popular vegetable for your garden. First introduced in the 1890's. This variety is a great freezing variety.
Treat the plant with an appropriate pesticide once you spot aphids since these pests can spread bean mosaic virus. Bean rust is a reddish-brown fungus that can show up in patches on the leaves of a kidney bean plant, and it should be treated with a fungicide as soon as you spot the first signs of it. Powdery mildew may attack your plant, as well When seedlings from 16 faba bean and 7 field pea seed lots were tested for 3 viruses, neither Broad bean stain virus nor Broad bean true mosaic virus was detected, but PSbMV was found in 5 field pea seed lots at incidences of <1-14%. PSbMV was detected in commercial field pea seed stocks of cvv
From 1972 to 1980 Rossmann and his team worked on the southern bean mosaic virus. This required developing new software and adapting existing software. Cocksfoot mottle virus (265 words) exact match in snippet view article find links to article Group: Group. Non GMO Heirloom Organic. TOP CROP BEAN Seeds. Stringless; resistant to Bean Mosaic Virus. ALL SEED LOTS ARE TESTED FOR GERMINATION. You will receive 250 seeds. Excellent for canning—holds its deep green color and flavor during processing EMD-5696 UK EMBL/EBI Mirror. Title: Electron cryo-microscopy of human cytomegalovirus virion Authors: Dai XH, Yu XK, Gong H, Jiang XH, Abenes G, Liu HR, Shivakoti S, Britt W, Zhu H, Liu FY, Zhou ZH Sample: Human cytomegalovirus (HCMV) virion Method: Single particle reconstruction (8.3 angstroms resolution) Remarks : Reconstruction of human. Pea seed-borne mosaic virus. Bab közönséges mozaik. Bean common mosaic virus. Babmozaik. Cucumber mosaic virus. Lucernamozaik. Alfalfa mosaic virus. Déli babmozaik. Southern bean mosaic virus. Borsó baktériumos zsírfoltosság és hervadás. Pseudomonas syringae pv. pisi. Baktériumos paszulyvész. Xanthomonas campestris pv. phaseol Yardlong bean (Vigna unguiculata subsp. sesquipedalis L.) is an important horticultural commodity in Indonesia. During the last ten years, yardlong bean planting areas in Indonesia especially in Java often suffered from epidemics of viral disease showing typical symptoms of yellow mosaic on their leaves