Pentalonia nigronervosa an overview sciencedirect topics. Effect of banana bunchy top virus infection on morphology and growth characteristics of banana. Bbtv is transmitted by banana black aphid, pentalonia nigronervosa, in a persistent manner fig. This article is within the scope of wikiproject insects, a collaborative effort to improve the coverage of insects on wikipedia. Aphididae vector transmits banana bunchy top virus bbtv. Aphididae, is the most economically important pest of banana musa spp. Biology and ecology of pentalonia nigronervosa coq. Invasive species of arthropods in hawaii pose a continuous, serious, and growing threat to the wellbeing of virtually all agricultural and natural ecosystems in the state. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks. Epidemiology of banana bunchy top disease in hawaii usda. The aphid was found in small colonies underneath the leaf sheaths of older or partially dried pseudostems. Transmission biology of banana bunchy top virusto banana by. The preface states that the book presents basic information on the identification and biology of the major insect and mite pests of australian crops, a section on stored product.
New zealand journal of crop and horticultural science 35. Banana aphid pentalonia nigronervosa black bean aphid aphis fabae cabbage aphid brevicoryne brassicae. Use of polymerase chain reaction pcr to study transmission of banana bunchy top virus by the banana aphid pentalonia nigronervosa. Biological control of invasive aphids in hawaii univ of. Banana bunchy top virus bbtv is the most destructive pathogenic virus of banana plants worldwide. In this work, we examined the localization, accumulation, and transmission efficiency of bbtv in four laboratoryestablished lineages of pentalonia aphids. Jun 01, 2011 the banana aphid, pentalonia nigronervosa coquerel hemiptera.
The geographical distribution of pentalonia nigronervosa and p. The life cycle nymph to adult is completed in 9 to 16 days. It is an economically important insect because of its role as vector of the banana bunchy top virus that causes bunchy top in bananas. Pentalonia nigronervosa the banana knowledge platform of. Its control will therefore control the local spread of disease.
For two pathosystems considered, banana bunchy top virus banana aphid pentalonia nigronervosa and aster yellow phytoplasma aster leafhopper macrosteles sp. It is a true bug and sucks sap mainly from musa species. Distribution of candidatus liberibacter species in eastern. Although the virus rarely kills the plant, infection severely limits production of marketable fruit. Icmr jrf exam model question paper 01 with answers and explanations previous year question paper, mock test for the 2015 examination csir jrf net life sciences slideshare uses cookies to improve functionality and performance, and to. The aphids recorded on turmeric include pentalonia nigronervosa coq. Recently, there has been a concerted effort in hawaii to learn more about the biology and ecology of this pest. We conducted field surveys to develop a sampling plan for this. How to manage bunchy top in banana crop pentalonia. There were 4 nymphal instars and nymphal development took 9 days. Known to hosts in alpinia purpurata, xanthosoma sp. Global distribution of banana aphid pentalonia nigronervosa source.
Pdf the banana aphid, pentalonia nigronervosa coquerel, is present worldwide where banana musa spp. Localization, concentration, and transmission efficiency. Insect pests infestation during field and storage of fruits. Biology of pentalonia nigronervosa hemiptera, aphididae on banana using different rearing methods. Therefore, the development of transgenic resistance is the.
It has been introduced greenhouses in europe and north america. Papua new guinea, eastern indonesialittle is known about timing invasion outside of its area of origin international institute of tropical agriculture institut international dagriculture tropicale. It was observed to be viviparous, reproducing parthenogenetically. None of the commercially grown banana varieties is resistant to bbtv and generating diseaseresistant bananas by conventional breeding is difficult because sterile progeny are produced from commercially grown hybrids sahijram, 2004. Babuviruses naturally infect monocots musa and amomum spp. Stub this article has been rated as stubclass on the projects quality scale. Pentalonia nigronervosa is a tropical and subtropical aphid species with a preference for banana. A new distribution map is provided for pentalonia nigronervosa pentalonia nigronervosa subject category. Bbtv is transmitted by the banana aphid pentalonia nigronervosa in a persistent manner.
Localization, concentration, and transmission efficiency of. Research points to a need for possible reclassification of aphid species. Biology, monitoring and management of banana aphid vector of. Goot, the most important vector of katte or mosaic virus of cardamom elettaria cardamomum. A binomial sequential sampling plan for banana aphid pentalonia nigronervosa was developed an disseminated to growers through two grower meetings. Coquerel found this aphid on banana and proposed a new genus for this insect based on its distinctive wing venation. It is the vector of banana bunchy top virus nanoviridae, babuvirus, the etiological agent of banana bunchy top disease, currently the most important constraint for banana producers in hawaii. Pentalonia nigronervosa sensu hardy 1931 samples from banana and from zingiberaceae and araceae species exhibit fixed differences in dna sequence in mitochondrial cytochrome oxidase subunit 1 dna barcode and in the nuclear gene elongation factor 1. Sampling and biostatistics withinplant distribution and. If the aphids in the genus pentalonia are found on plants in nature, it usually is safe to assum e that if the plant is a banana, the aphid is p. The word banana is thought to be of west african origin, possibly from the wolof word banaana, and passed into english via spanish or portuguese. An pentalonia nigronervosa in nahilalakip ha genus nga pentalonia, ngan familia nga aphididae. Geographical distribution of pentalonia nigronervosa and p. Transmission biology of banana bunchy top virusto banana by pentalonia nigronervosa hemiptera.
Pagka karon wala pay siak nga nalista ubos niini niya. The virus is transmitted in a circulative nonpropagative manner by the banana aphid, pentalonia nigronervosa coquerel. Some studies on biology of pentaionia nigronervosa conquarrel. Aphididae on banana using different rearing methods.
Biology, monitoring and management of banana aphid. Biology of pentalonia nigronervosa hemiptera, aphididae on banana using different rearing methods jacqueline d. These bacteria supply the aphid with essential nutrients lacking from their diet i. Obligate symbiotic associations are present in a wide variety of animals with a nutrientrestricted diet. Banana bunchy top virus bbtv is a ssdna virus transmitted by the banana aphid, pentalonia nigronervosa. Pentalonia nigronervosa coquerel, 1859 pentalonia nigronervosa banana aphid is an aphid in the superfamily aphidoidea in the order hemiptera. Aphididae is known as vector of banana bunchy top virus bbtv that threatening production of banana worldwide. A comparison of fitness characters of two host plantbased. Before the start of the experiment, ant colonies were located during a survey of the experimental site.
Index termsbanana bunchy top virus, pentalonia nigronervosa, alternative host. Bulletin of the entomological society of india, 10. This method of importing and establishing selfreplicating predators, parasitoids, and pathogens of. Historically, hawaii has responded to invasive pests with strong efforts at classical biological control. In africa and the mascarene islands, a similar disease is known as african citrus greening acg and is associated with the. Insect vectors of plant pathogens in hawaii univ of hawaii. Aphids and plant tissues were collected from banana and nonbanana hosts of pentalonia aphids in palau, yap, guam, rota, tinian, saipan, pohnpei, kosrae, and majuro.
Banker plants for aphid biological control in greenhouses. Combination of genomic and proteomic approaches to. Effect of imidacloprid foliar treatment and banana leaf age on pentalonia nigronervosa hemiptera, aphididae survival. This hypothesis is strengthened by the fact that a nearly systematic occurrence of wolbachia was recorded in another aphid species of the genus pentalonia pentalonia caladii hemiptera.
Prior to 2010, pentalonia caladii, the cardamom aphid, was regarded in synonymy with p. Pdf biology of pentalonia nigronervosa hemiptera, aphididae. The link between the two was first made in 1922 and confirmed in 1927 the banana aphid is also the vector of the abaca. Aphididae based on molecular and morphometric analysis article pdf available in zootaxa 23582358. The identity of pentalonia nigronervosa coquerel and p. Biology of pentalonia nigronervosa hemiptera, aphididae on.
Banana plants, mahamaya lake, chittagong, bangladesh. This pest occurs throughout al tropical and subtropical parts of the world, having also invaded greenhouses in europe and north america. The only known vector of bbtv is the banana aphid pentalonia nigronervosa, hemiptera. An oviparous morph of pentalonia nigronervosa coquerel aphididae. It is the vector of banana bunchy top virus nanoviridae, babuvirus, the etiological. Aphididae almostuniversally host buchnera aphidicola bacteria in a specialised organs called bacteriomes. Biology, monitoring and management of banana aphid vector of banana. Insecta, hemimetabola, hemiptera, sternorrhyncha, aphidoidea, aphididae common name. Bioecology of banana aphid pentalonia nigronervosa f. Mcq model questions for icmr jrf 2015 exam easy biology class. Banana bunchy top virus bbtv severely affects the sustainability of hawaiis banana crop industry. Ang pentalonia nigronervosa sakop sa kahenera nga pentalonia sa kabanay nga aphididae. Pentalonia nigronervosa knowledge master university of hawaii. Biology life science multiple choice questions mcq model questions with answers and explanations for preparing icmr jrf and csir jrf net life science examination and also for other competitive examinations in life science biological science such as dbt jrf, gate life science, gate biotechnology, icar, university pg entrance exam, jam, gre, medical entrance examination etc.
Pentalonia nigronervosa banana aphid is an aphid in the superfamily aphidoidea in the order hemiptera. Aphididae, is a major pest of cultivated bananas musa spp. The dark veins of the winged adults can just be seen on the insect at the top left corner. A new distribution map is provided for pentalonia nigronervosa coq. An pentalonia nigronervosa in uska species han insecta. Pdf the identity of pentalonia nigronervosa coquerel and. Abstract liology of viviparous black banana aphid, pontaionia nigronervosa coq. The banana aphid, pentalonia nigronervosa coquerel hemiptera. Alternative hosts of banana aphid pentalonia nigronervosa. Seasonal and spatial distribution of banana aphid, pentalonia. How to manage bunchy top in banana crop pentalonia nigronervosa, banana, republic, usa, magazalar. Aphididae and their relationship to banana bunchy top virus in micronesia. Global distribution of banana aphid pentalonia nigronervosa,host plants,life.
Sampling and biostatistics withinplant distribution and binomial sampling of pentalonia nigronervosa hemiptera. New records of some aphids, whiteflies and scaleinsects associated with crops in south andaman. Ant attendance, well known behavior form towards aphid species was studied in case of the banana aphid pentalonia nigronervosa coquerel hemiptera. Reproduction in the banana aphid is entirely parthenogenetic without mating. A polymerase chain reaction pcr assay was used to study bbtv transmission efficiency, to determine the minimum acquisition. Pentalonia nigronervosa pentalonia caladii aphididae and. Here, we generated a highly complete genome assembly of p. Pentalonia nigronervosa, better known as the banana aphid, is the most common aphid associated with bananas. Biology of pentalonia nigronervosa hemiptera, aphididae ncbi. The musa nendran cultivar grown widely in the indian state of kerala is a member of the aab cultivar group.
Pentalonia nigronervosa is the vector of banana bunchy top. Pentalonia nigronervosa banana aphid is an aphid in the superfamily aphidoidea in the order. Huanglongbing hlb is a serious disease of citrus sp. Low this article has been rated as lowimportance on. The virus is also transmitted through infected plant suckers and other plant components used in banana propagation but are not sap transmissible. A laboratory study was carried out in india on the biology of pentalonia nigronervosa form caladii v. Bunchy top of banana is transmitted by pentalonia nigronervosa, potato leaf curl virus by myzus persicae, papaya ring spot and chilli leaf curl by bemisia tabaci. Pentalonia nigronervosa is the vector of banana bunchy top virus, the etiological agent of banana bunchy top disease bbtd. No evidence for wolbachia as a nutritional coobligate. Aphididae populations in four plantations in the coastal area of carmel israel, where the aphid is a major pest on banana. Banana aphid, pentalonia nigronervosa coquerel hemiptera. Management decision systems for multiplepest complexes on.
This strongly suggests a vertical transmission of wolbachia in p. Transmission biology of banana bunchy top virusto banana. Biology of pentalonia nigronervosa hemiptera, aphididae oxford. Biology of pentalonia nigronervosa hemiptera, aphididae. P e biology of pentalonia nigronervosa hemiptera, aphididae. Apr 09, 2015 icmr jrf exam model question paper 01 with answers and explanations previous year question paper, mock test for the 2015 examination csir jrf net life sciences slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The banana aphid, pentalonia nigronervosa coquerel, is present worldwide where banana musa spp. However, limited work has been directed at determining the distribution of p.
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