Mineral oil foliar applications in combination with insecticides affect tomato potato psyllid (Bactericera cockerelli) and beneficial insects in potato crops

2017 ◽  
Vol 45 (4) ◽  
pp. 263-276 ◽  
Author(s):  
Peter J. Wright ◽  
Graham P. Walker ◽  
Frances H. MacDonald ◽  
Robin Gardner-Gee ◽  
Duncan I. Hedderley
2013 ◽  
Vol 66 ◽  
pp. 333-340 ◽  
Author(s):  
N. Jorgensen ◽  
R.C. Butler ◽  
J. Vereijssen

Since its discovery in 2006 the tomato potato psyllid Bactericera cockerelli (ulc) (TPP) has been considered a significant pest of solanaceous crops in New Zealand resulting in an intensification of insect pest control measures often with the use of broadspectrum insecticides In the search for more sustainable control methods in outdoor potato crops several biorational insecticides were tested in laboratory bioassays to assess their effects on TPP behaviour and mortality The products tested were Organic JMS StyletOil Excel Oil EcoOil Neem 600 WP and Sap Sucker Plus Given the efficacy of JMS Stylet Oil Sap Sucker Plus and Excel Oil at reducing TPP numbers and their probing/feeding deterrent qualities these products are now being tested in a field trial The impacts of the tested biorational insecticides on beneficial insects are also being assessed in laboratory and field trials


2014 ◽  
Vol 39 (1) ◽  
pp. 177-186 ◽  
Author(s):  
Warrick R. Nelson ◽  
Kylie D. Swisher ◽  
James M. Crosslin ◽  
Joseph E. Munyaneza

2011 ◽  
Vol 64 ◽  
pp. 276-281 ◽  
Author(s):  
N.E.M. Page-Weir ◽  
L.E. Jamieson ◽  
A. Chhagan ◽  
P.G. Connolly ◽  
C. Curtis

Adult and nymphal life stages of the tomato/potato psyllid (Bactericera cockerelli; TPP) cause damage to the host plants and transmit the bacterial pathogen Candidatus Liberibacter solanacearum This leads to reduced crop yield and ultimately the premature decline and death of the infected plant The efficacy of 11 insecticides was tested against nymphal and adult stages of TPP Residues of abamectin oil and bifenthrin were the most effective at reducing adult TPP up to 3 days after treatment while thiacloprid spiromesifen imidacloprid spinetoram and azadirachtin were slightly toxic Residues of buprofezin oil pyrethrin oil and mineral oil had no effect on adult mortality Nymphal life stages were best controlled with abamectin oil spirotetramat bifenthrin and spiromesifen


2015 ◽  
Vol 68 ◽  
pp. 441-441
Author(s):  
N.M. Taylor ◽  
R.C. Butler ◽  
J. Vereijssen

During 200708 the tomato potato psyllid (TPP Bactericera cockerelli) was observed in outdoor tomato and potato crops in Hawkes Bay Many crops were heavily infested resulting in severe yield losses and in some cases crop abandonment Since then growers have been proactive in plant monitoring and sticky trap use but these methods are expensive and quite often a calendar spray programme is begun once the first adult TPP have been observed in traps It has been proposed that 980 degreedays (DDs) from 1 July is used as an indicator of when TPP numbers are about to increase rapidly in North Island crops This study describes the application of 980 DDs to recent sticky trap data from Hawkes Bay For most sites 980 DDs occurred just before rapid increases in adult TPP numbers However there were a small number of sites where this was not so The presence of noncrop TPP host plants bordering these sites may explain rapid increases in TPP trap catches well before reaching 980 DDs


2011 ◽  
Vol 64 ◽  
pp. 293-293 ◽  
Author(s):  
N.M. Taylor ◽  
N. Jorgensen ◽  
N.A. Berry ◽  
R.C. Butler

Since its discovery in New Zealand in 2006 the tomato/potato psyllid (TPP) Bactericera cockerelli (Sulc) (Hemiptera Triozidae) has been regarded as a significant pest of solanaceous crops in the horticultural industry To date there is little knowledge of the population dynamics of male and female TPP in the field An understanding of these dynamics will aid in the potential use of traps as pest management tools During the 201011 growing season weekly yellow sticky trap catches were used to assess the malefemale sex ratio of TPP in a total of nine tomato and potato crops in Hawkes Bay and mid Canterbury More male TPP were caught on traps at all nine sites throughout the season Furthermore the TPP malefemale ratio was highest early in the season This malebiased dominance may suggest several things an uneven proportion of males compared with females in the population that male TPP are more attracted to the hue of yellow than females an increased activity by males as a consequence of matesearching behaviour and/or a decrease in activity by egglaying females


2011 ◽  
Vol 64 ◽  
pp. 292-292
Author(s):  
N. Jorgensen ◽  
N.M. Taylor ◽  
N.A. Berry ◽  
R.C. Butler

The tomato/potato psyllid (TPP) Bactericera cockerelli (Sulc) (Hemiptera Triozidae) has been regarded as a significant pest of solanaceous crops in New Zealand since its discovery in 2006 Current management of TPP relies primarily on the use of insecticides A better understanding of the role of beneficial insects in the control of TPP is needed to guide future Integrated Pest Management (IPM) strategies In Canterbury 201011 the seasonal abundance of TPP and beneficial insects was monitored in a lowspray potato crop using yellow sticky traps and incrop plant assessments The brown lacewing (Micromus tasmaniae) was the most abundant beneficial insect encountered followed by ladybird species (Adalia bipunctata and Coccinella undecimpunctata) Numbers of adult brown lacewings and ladybirds peaked on sticky traps in December 2010 while adult TPP numbers peaked in February 2011 Brown lacewing eggs were present on potato plants throughout the season with the highest numbers found during January/early February 2011 Numbers of all life stages of TPP were highest on potato plants from mid January to the end of the monitoring period in mid February 2011 (crop sprayoff)


PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9317
Author(s):  
Howard London ◽  
David J. Saville ◽  
Charles N. Merfield ◽  
Oluwashola Olaniyan ◽  
Stephen D. Wratten

In Central and North America, Australia and New Zealand, potato (Solanum tuberosum) crops are attacked by Bactericera cockerelli, the tomato potato psyllid (TPP). ‘Mesh crop covers’ which are used in Europe and Israel to protect crops from insect pests, have been used experimentally in New Zealand for TPP control. While the covers have been effective for TPP management, the green peach aphid (GPA, Myzus persicae) has been found in large numbers under the mesh crop covers. This study investigated the ability of the GPA to penetrate different mesh hole sizes. Experiments using four sizes (0.15 × 0.15, 0.15 × 0.35, 0.3 × 0.3 and 0.6 × 0.6 mm) were carried out under laboratory conditions to investigate: (i) which mesh hole size provided the most effective barrier to GPA; (ii) which morph of adult aphids (apterous or alate) and/or their progeny could breach the mesh crop cover; (iii) would leaves touching the underside of the cover, as opposed to having a gap between leaf and the mesh, increase the number of aphids breaching the mesh; and (iv) could adults feed on leaves touching the cover by putting only their heads and/or stylets through it? No adult aphids, either alate or apterous, penetrated the mesh crop cover; only nymphs did this, the majority being the progeny of alate adults. Nymphs of the smaller alatae aphids penetrated the three coarsest mesh sizes; nymphs of the larger apterae penetrated the two coarsest sizes, but no nymphs penetrated the smallest mesh size. There was no statistical difference in the number of aphids breaching the mesh crop cover when the leaflets touched its underside compared to when there was a gap between leaf and mesh crop cover. Adults did not feed through the mesh crop cover, though they may have been able to sense the potato leaflet using visual and/or olfactory cues and produce nymphs as a result. As these covers are highly effective for managing TPP on field potatoes, modifications of this protocol are required to make it effective against aphids as well as TPP.


Sign in / Sign up

Export Citation Format

Share Document