scholarly journals Evaluation of selected entomopathogenic fungi and bioinsecticides against Bactericera cockerelli (Hemiptera)

2013 ◽  
Vol 66 ◽  
pp. 324-332 ◽  
Author(s):  
N.A. Mauchline ◽  
K.A. Stannard
Keyword(s):  
New Zealand ◽  
Pest Management ◽  
Beauveria Bassiana ◽  
Entomopathogenic Fungi ◽  
Bactericera Cockerelli ◽  
Management Options ◽  
Important Pest

Entomopathogenic fungi could provide feasible pest management options for control of Bactericera cockerelli (Sulc) (Hemiptera Triozidae) an important pest of solanaceous crops in New Zealand In laboratory trials BotaniGard ES and BotaniGard 22WP (Beauveria bassiana; GHA strain) resulted in average nymph mortality of 82 which was significantly greater than the conventional insecticide Oberon (63) or the microbial standard eNtocide L (63) (P

scholarly journals A volatile compound 2undecanone increases walking but not flying tomato potato psyllid movement toward an odour source

2014 ◽  
Vol 67 ◽  
pp. 184-190 ◽  
Author(s):  
M.M. Davidson ◽  
R.C. Butler ◽  
N.M. Taylor ◽  
M-C. Nielsen ◽  
C.E. Sansom ◽  
...  
Keyword(s):  
New Zealand ◽  
North America ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Volatile Compound ◽  
Management Strategy ◽  
Potato Psyllid ◽  
Bactericera Cockerelli ◽  
Odour Source ◽  
Important Pest

Bactericera cockerelli (tomato potato psyllid; TPP) is an important pest of solanaceous crops in New Zealand and North America A volatile compound that alters the behaviour of TPP could be developed into a component of an integrated pest management strategy for solanaceous crops One compound 2undecanone was found to increase the percentages of female and male TPP (65 P

scholarly journals Biology and Management of the New Zealand Endemic Wheat Bug, Nysius huttoni (Hemiptera: Lygaeidae)

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Sundar Tiwari ◽  
Steve D Wratten
Keyword(s):  
Triticum Aestivum ◽  
New Zealand ◽  
Pest Management ◽  
Triticum Aestivum L ◽  
Management Options ◽  
Trap Crops ◽  
Nontarget Effects ◽  
Important Pest ◽  
Potential Trap ◽  
Lobularia Maritima

Abstract The wheat bug, Nysius huttoni White, mainly reported as a pest of wheat and forage brassicas, is native to New Zealand. This pest has been accidentally introduced into The Netherland and Belgium during apple exports from New Zealand. The bug population is abundant in open sparse vegetations and hot-dry habitats, and feeds on dropping seeds. It damages wheat grains during milk-ripe stage by piercing through the glumes into the developing grains that can reduce gluten protein and reduce baking quality. Bugs also suck phloem fluid from seedlings, which can reduce plant establishment in forage brassicas. Early scouting and field monitoring are suggested before making pest management decisions. Seed treatment with neonicotinoids, permethrin, and chlorpyrifos spray in the standing crops are chemical methods of management in New Zealand. These conventional synthetic pesticides have nontarget effects on human health, the environment, and biodiversity. However, preventive measures such as the use of less-susceptible cultivars, and using potential trap crops is other important pest management options. Alyssum (Lobularia maritima L. Desv. Brassicales: Brassicaceae) and wheat (Triticum aestivum L. Poales: Poaceae) are two potential trap crops of wheat bug. Kale (Brassica oleracea L.) cultivars, such as Corka and Regal, and wheat (Triticum aestivum) cultivars, such as Batten, Domino, and Oroua, are less-susceptible cultivars. Understanding the biology and ecology of the pest, and utilizing preventative pest management measures such as the use of trap crops and less-susceptible cultivars, and integrating these with ‘soft’ chemicals make a suitable integrated pest management strategy for this pest.

scholarly journals Environmental Tolerance of Entomopathogenic Fungi: A New Strain of Cordyceps javanica Isolated from a Whitefly Epizootic Versus Commercial Fungal Strains

Insects ◽  
2020 ◽  
Vol 11 (10) ◽  
pp. 711
Author(s):  
Shaohui Wu ◽  
Michael D. Toews ◽  
Camila Oliveira-Hofman ◽  
Robert W. Behle ◽  
Alvin M. Simmons ◽  
...  
Keyword(s):  
Environmental Factors ◽  
Pest Management ◽  
Beauveria Bassiana ◽  
Entomopathogenic Fungi ◽  
Galleria Mellonella ◽  
Uv Light ◽  
Variable Temperature ◽  
Environmental Tolerance ◽  
Southern Georgia ◽  
Lower Tolerance

A new strain of Cordyceps javanica (wf GA17) was observed causing widespread epizootics among whiteflies in Southern Georgia in 2017. The tolerance of conidia to environmental factors including variable temperature and ultraviolet (UV) light was compared between this strain and three commercial strains of entomopathogenic fungi (Metarhizium brunneum F52, Cordyceps fumosorosea Apopka97, and Beauveria bassiana GHA). Under 10–30 °C, C. javanica wf GA17 responded similarly to other fungi, with the highest virulence against Galleria mellonella at 25 °C, followed by 20, 30, and 15 °C; lowest virulence was observed at 10 °C. At 35 °C and 40 °C, C. javanica wf GA17 had lower tolerance than M. brunneum F52 and B. bassiana GHA, but was superior to C. fumosorosea Apopka97 in conidia viability and post-treatment virulence. After exposure to −20 °C for 56 d, C. javanica wf GA17 exhibited lower germination than M. brunneum F52 and lower virulence than M. brunneum F52 and B. bassiana GHA, but higher germination and virulence than C. fumosorosea Apopka97. Following exposure to strong UV light, viability and virulence of all fungi were reduced with increasing exposure periods. Increased environmental tolerance of C. javanica wf GA17 over C. fumosorosea Apopka97 suggests that the new strain could have applicability for commercial pest management.

scholarly journals Potential of Beauveria and Metarhizium as control agents of pinhole borers (Platypus spp)

2002 ◽  
Vol 55 ◽  
pp. 73-79 ◽  
Author(s):  
T.R. Glare ◽  
C. Placet ◽  
T.L. Nelson ◽  
S.D. Reay
Keyword(s):  
New Zealand ◽  
Beauveria Bassiana ◽  
Entomopathogenic Fungi ◽  
Beech Forests ◽  
Dead Trees ◽  
Selection Of

Three species of pinhole borer (Platypus spp) are known in New Zealand They are pests of beech and some other trees boring deep into living and dead trees which allows the ingress of sapstain and other fungi Although the species are native to New Zealand they can still cause localised problems to trees when populations reach epidemic levels We investigated the virulence of a selection of New Zealand isolates of three entomopathogenic fungi Beauveria bassiana B brongniartii and M anisopliae against Platypus The fungi were mainly from soil in beech forests All isolates tested could kill and sporulate on Platypus The ability of adult Platypus to contaminate larvae by transfer of spores was tested and found to occur in the laboratory The possibilities of using Beauveria for localised Platypus control are discussed

scholarly journals The potential number of generations of Bactericera cockerelli in New Zealand

2013 ◽  
Vol 66 ◽  
pp. 385-385
Author(s):  
J. Vereijssen ◽  
L.T. Tran ◽  
S.P. Worner
Keyword(s):  
New Zealand ◽  
Hot Spring ◽  
Meteorological Data ◽  
Bactericera Cockerelli ◽  
The North ◽  
Management Interventions ◽  
Developmental Thresholds ◽  
Two Generations ◽  
Important Pest ◽  
Candidatus Liberibacter

The tomato potato psyllid (TPP) Bactericera cockerelli invaded New Zealand in 2006 and has now spread throughout most of the country TPP is an economically important pest of solanaceous crops that that not only causes damage through its feeding but also transmits the bacterium Candidatus Liberibacter solanacearum which is associated with zebra chip disease in potato Published developmental thresholds meteorological data and potato emergence and harvesting dates were used to estimate the potential number of generations of TPP for the main potatogrowing regions in cold average and hot spring and summer seasons in the 20062013 period Temperature was highly variable in spring and summer between regions and between years within a region The main effect of higher temperatures was that TPP generations were completed earlier which resulted in up to one extra generation in a season In the North Island regions spring temperatures were such that up to two generations could develop before potato emergence in contrast to the South Island where less than one generation occurred during this time This information can be used by crop managers to target management interventions for TPP more effectively

scholarly journals Responding to the establishment of new pests and diseases What can be learnt from tomato potato psyllid and Candidatus Liberibacter solanacearum in New Zealand

2015 ◽  
Vol 68 ◽  
pp. 76-84 ◽  
Author(s):  
D.A.J. Teulon ◽  
M.G. Hill
Keyword(s):  
New Zealand ◽  
Pest Management ◽  
Host Plant ◽  
Crop Production ◽  
Research Programme ◽  
Potato Psyllid ◽  
Bactericera Cockerelli ◽  
Plant Interactions ◽  
Pests And Diseases ◽  
Small Industries

The response to the incursion of tomato potato psyllid (TPP) Bactericera cockerelli first recorded in New Zealand in 2006 and 2008 respectively has been well documented However development of a bioprotection research programme to underpin effective crop production in the presence of TPP/CLso has not This paper examines the strategic and operational responses of the main Crown Research Institute involved in parallel with industry actions in terms of the coordination prioritisation and implementation of a proportionally increasing research programme after it became clear that eradication of these organisms was not feasible The establishment of TPP/CLso in New Zealand underlines the fragility of current integrated pest management (IPM) systems and the challenges faced by small industries to the establishment of poorly understood organisms with complex pest/disease/host plant interactions whose impacts were not immediately obvious Insights are provided into how a research response to similar establishments might be developed in the future

scholarly journals Bactericera cockerelli incursion dispersal and current distribution on vegetable crops in New Zealand

2009 ◽  
Vol 62 ◽  
pp. 136-144 ◽  
Author(s):  
D.A.J. Teulon ◽  
P.J. Workman ◽  
K.L. Thomas ◽  
M-C. Nielsen
Keyword(s):  
New Zealand ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Current Distribution ◽  
Potato Psyllid ◽  
Vegetable Crops ◽  
Bactericera Cockerelli ◽  
Export Markets ◽  
Greenhouse Crops ◽  
Ongoing Development

The tomato potato psyllid (Bactericera cockerelli (Sulc)) probably invaded New Zealand in the summer of 200506 The first authenticated records from May to June 2006 indicated that it was widely distributed in the Auckland area with a further record from Taupo so that no attempt was made to eradicate it By April 2009 records indicated that it had spread throughout much of New Zealand Its spread within New Zealand is likely to be from a combination of natural and human mediated dispersal The psyllid and the liberibacter it transmits will provide a serious challenge to the ongoing development of Integrated Pest Management in greenhouse crops (especially tomato and capsicum) outdoor tomatoes and potatoes The economic impact of this insect and disease in the 4 years it has been in New Zealand has been in millions of dollars in terms of increased management costs crop losses and loss of export markets

Actividad de dos hongos entomopatógenos, identificados molecularmente, sobre Bactericera cockerelli

2017 ◽  
Vol 43 (1) ◽  
pp. 27 ◽  
Author(s):  
Fabiola Villegas-Rodríguez ◽  
Ovidio Díaz-Gómez ◽  
J. Sergio Casas-Flores ◽  
Clara Teresa Monreal-Vargas ◽  
Fernando Tamayo-Mejía ◽  
...  
Keyword(s):  
Beauveria Bassiana ◽  
Bactericera Cockerelli ◽  
Candidatus Liberibacter

El psílido de la papa Bactericera cockerelli afecta a las solanáceas en México, por el daño directo que causa, además, de que es transmisor de patógenos procariotes como Candidatus Liberibacter solanacerum (psyllaurous). Este insecto es combatido principalmente con productos químicos. Sin embargo, en la actualidad, se buscan nuevas estrategias para su manejo como el uso de hongos entomopatógenos. El objetivo de este trabajo fue evaluar la susceptibilidad del psílido de la papa a dos cepas comerciales y dos nativas de Metarizhium anisopliae y Beauveria bassiana, así como confirmar la identificación de las mismas mediante técnicas moleculares. Los bioensayos se realizaron con la cepa nativa MA25 de M. anisopliae y las comerciales Metabich® (MA28) y Bassianil® (BB09) y la nativa BB42 de Be. bassiana. Se probaron cinco concentraciones sobre ninfas del tercer estadio de B. cockerelli y se obtuvieron sus CL50 y CL95. Todas las cepas resultaron patógenas para el psílido de la papa, las más tóxicas fueron BB09, BB42 y MA28. La mortalidad fluctuó entre 90 a 100% con las concentraciones más altas de cada cepa: la más virulenta fue BB09, con una CL50 de 2,99 x 104 conidias mL-1 y MA25 la menos virulenta tuvo una CL50 de 6,34 x 105 conidias ml-1. Mediante la clonación y la secuenciación de la región ITS de los rADN 18S, se corroboró que las cepas nativas identificadas por morfología microscópica y claves taxonómicas corresponden a Be. bassiana y M. anisopliae.

scholarly journals Effect of the native strain of the predator Nesidiocoris tenuis Reuter and the entomopathogenic fungi Beauveria bassiana and Lecanicillium muscarium against Bemisia tabaci (Genn.) under greenhouse conditions in Tunisia

2021 ◽  
Vol 31 (1) ◽  
Author(s):  
Besma Hamrouni Assadi ◽  
Sabrine Chouikhi ◽  
Refki Ettaib ◽  
Naima Boughalleb M’hamdi ◽  
Mohamed Sadok Belkadhi
Keyword(s):  
Beauveria Bassiana ◽  
Bemisia Tabaci ◽  
Entomopathogenic Fungi ◽  
Tobacco Plant ◽  
Economic Losses ◽  
Native Strain ◽  
Lecanicillium Muscarium ◽  
Southern Tunisia ◽  
Significant Efficacy ◽  
Nesidiocoris Tenuis

Abstract Background The misuse of chemical insecticides has developed the phenomenon of habituation in the whitefly Bemisia tabaci (Gennadius) causing enormous economic losses under geothermal greenhouses in southern Tunisia. Results In order to develop means of biological control appropriate to the conditions of southern Tunisia, the efficacy of the native strain of the predator Nesidiocoris tenuis Reuter (Hemiptera: Miridae) and two entomopathogenic fungi (EPF) Beauveria bassiana and Lecanicillium muscarium was tested against Bemisia tabaci (Gennadius). Indeed, the introduction of N. tenuis in doses of 1, 2, 3, or 4 nymphs per tobacco plant infested by the whitefly led to highly significant reduction in the population of B. tabaci, than the control devoid of predator. The efficacy of N. tenuis was very high against nymphs and adults of B. tabaci at all doses per plant with a rate of 98%. Likewise, B. bassiana and L. muscarium, compared to an untreated control, showed a very significant efficacy against larvae and adults of B. tabaci. In addition, the number of live nymphs of N. tenuis treated directly or introduced on nymphs of B. tabaci treated with the EPF remained relatively high, exceeding 24.8 nymphs per cage compared to the control (28.6). Conclusions It can be concluded that the native strain of N. tenuis and the EPF tested separately were effective against B. tabaci. Their combined use appears to be possible.

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