2 edition of Banana bunchy top disease & its ahpid [sic] vector found in the catalog.
Banana bunchy top disease & its ahpid [sic] vector
Of works published from 1912 to 1986.
|Other titles||Banana bunchy top disease & its aphid vector., Banana bunchy top disease and its aphid vector.|
|Statement||S. Suresh, A. Regupathy.|
|LC Classifications||Z5354.P3 B357 1987, SB608.B16 B357 1987|
|The Physical Object|
|Pagination||60 p. :|
|Number of Pages||60|
|LC Control Number||87905551|
The Banana bunchy top virus (BBTV) is a circular single-stranded DNA virus ( nm in diameter) that causes Bunchy top in bananas. Although the disease was first reported in the late s, the virus itself, which was originally classified as a Luteovirus, was isolated in the late s and reassigned to the Nanoviridae family in the genus Babuvirus. cigar end rot, banana bunchy top virus disease, and post-harvest diseases. Banana thrips, nematodes and the banana weevil are among the most important pests of banana in most banana growing regions in banana weevil,(C. sordidus)is a major pest of bananas in all banana growing regions of Kenya (Kung’uet al., ).
Field samples of banana plants affected by bunchy top disease from Hawaii, Indonesia and Tonga, but not unaffected controls, gave strong positive reactions when tested by enzyme-linked immunosorbent assay using Australian polyclonal and Australian and Taiwanese monoclonal antibodies specific for banana bunchy top virus (BBTV). Isometric virus-like particles, nm in diameter, were Cited by: Congo. The geographical distribution of the disease throughout the vast Congo basin, has, however, not been studied. Banana bunchy top virus (BBTV), a luteovirus, multiplies in the phloem and is transmitted by the aphid vector Pentalonia nigronervosa (Magee, ; Burns et al., ). Once established, it is extremely difficult to.
Banana Industry Biosecurity Guideline Version: 1 Purpose banana bunchy top virus; and pest bananas. If a pest or disease is detected, such records may enable a parcel by parcel approach to be taken rather than whole-of-property controls being imposed. Brief introduction • Banana bunchy top disease (BBTD) is 1 of the most important disease of bananas in many producing regions • Virus can be spread by: – infected plant suckers – infected plant tissues used in banana micro- propagation – Aphid vectors, Pentalonia nigronervosa • Lots of misconceptions or inaccuracies regarding BBTD.
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Banana bunchy top disease & its ahpid [sic] vector: An annotated bibliography [S Suresh] on *FREE* shipping on qualifying : S Suresh. Definition. Banana bunchy top is a viral disease caused by a single-stranded DNA virus called the banana bunchy top virus (BBTV).
It was first identified in Fiji inand has spread around the world since then. Like many viruses, BBTV was named after the symptoms seen, where the infected plants are stunted and have "bunchy" leaves at the top.
The disease is transmitted from plant-to-plant Family: Nanoviridae. Bunchy top is a viral disease caused by the Banana bunchy top virus (BBTV). The disease, often called BBTD for banana bunchy top disease, gets its name from the bunchy appearance of infected 30, Bunchy top | The knowledge. Banana bunchy top virus (BBTV) is a threat to Hawaii bananas; BBTV is diagnosed by identifying symptoms of diseased plants or by submitting a banana leaf sample to test for the banana bunchy top virus.
Diseased plants should be destroyed properly. Banana bunchy top virus (BBTV) is the most devastating virus disease of bananas. It is present across all of south Asia and the Pacific and is currently spreading in Southern Africa.
The disease is causing severe damage in Malawi and DR Congo while it has only recently been recorded in. The basic infection rate of bunchy top disease in established bananas averaged new infections per infectious plant per day, but varied seasonally with a maximum in summer.
disease is caused by the banana bunchy top virus (BBTV). The virus is vectored by the banana aphid (Pentalonia nigronervosa). The purpose of this article is to enhance one’s ability to recognize bunchy top and the aphid vector. This document supplements the information in PD (“Banana Bunchy Top Virus”), which is availableFile Size: 1MB.
Banana bunchy top virus (BBTV) is a circular single-stranded (ss) plant DNA virus and the type member of the genus Babuvirus in the family Nanoviridae. BBTV causes bunchy top disease of banana and plantain.
Its integral genome consists of at least six circular ssDNA genome components and is associated with all geographical isolates of by: 6. Banana bunchy top is one of the most important of these diseases and by far the most important virus disease.
Yet banana bunchy top virus (BBTV) which is limiting or threatening the production in one-quarter of the world's banana growing areas has, in recent years, been Cited by: Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop analyzed banana leaf samples from fourteen countries and recovered, cloned, and sequenced complete BBTV components including ninety-four full by: Banana Bunchy Top Disease 1.
BANANA BUNCHY TOP DISEASE (Mandeep Poudel) 2. Banana bunchy top virus (BBTV) is one of the most serious diseases of banana. Once established, it is extremely difficult to eradicate or manage. Family: Circoviridae (from being circular, round) Genus: Nanovirus (from being small, nanos = dwarf) 3.
Bunchy top / Curly top / cabbage top /strangles disease Economic impact • First reported from Fiji in in Cavendish varieties • Aroundintroduced into India from Srilanka through cyclone • The virus is a domestic quarantine pest in India. Description Top of page. Evidence for a Viral Agent A virus, BBTV, is the causal agent of bunchy top disease of banana.
Although unequivocal evidence by reproduction of the disease through inoculation of purified virions or cloned genomic components is lacking, definitive association of BBTV with bunchy top disease was demonstrated by insect vector-mediated transmission of BBTV from an.
Banana Bunchy Top Virus (BBTV): The disease is transmitted to the plant by the aphid vector Pentalonia nigronervosa and dwarf bananas are very susceptible to this disease. Primary symptoms of the disease are seen when infected suckers are planted.
Such infected suckers putforth narrow leaves, which are chlorotic and exhibit mosaic symptoms. Effect of Temperature, Vector Life Stage, and Plant Access Period on Transmission of Banana bunchy top virus to Banana Article in Phytopathology 98(6) July with 58 Reads.
The incubation period of banana bunchy top disease or appearance of symp-toms ranged from 25 to 85 days after aphid inoculation. However, PCR as-says provided earlier detection of BBTV in banana plants compared with visual symptoms.
Introduction Banana is one of the most important fruit crops in many tropical areas in terms of production and Cited by: Goals / Objectives Banana bunchy top virus was first detected in Hawaii inand is currently established in all islands of the State.
Current control strategies are limited to insecticide sprays and roguing of symptomatic plants, however control tactics are based on anecdotal evidence. The Cooperative Extension Service () states that, \"Banana bunchy top virus is spread by the banana aphid, which acquires the virus after at least four (but usually about 18) hours of feeding on an infected plant.
The aphid can retain the virus through its adult life, for a period of days. Banana bunchy top disease can be effectively controlled by the eradication of diseased plants and the use of virus-tested planting material. Before destruction, diseased plants should first be sprayed with power kerosene or insecticide to kill all viruliferous aphids.
The whole stool, including corm and all associated suckers, must then be. Banana Bunchy Top in Hilo, Hawaii.
likes. Do you have a sick plant in your yard or farm. Post a photo of it here and we will take a look at it. We can advise growers on the most up to date Followers:. A training video showing how farmers they symptoms, modes of spread and control options for banana bunchy-top disease (BBTD) in Central Africa.
Dale JL () Banana bunchy top: an economically important tropical plant virus disease. Advances in Virus Research – View Article PubMed/NCBI Google Scholar Magee CJP () lnvestigation on the bunchy top disease of the by: Banana bunchy top virus Causal organism: Virus Host plants Banana, plantain, abaca, wild banana, bird of paradise, ginger Affected plant stages All growth stages Affected plant parts Whole plant Symptoms The initial symptom is the presence of dark-green spots on the petioles, midribs, and leaf veins of the newly emerging leaves.