scholarly journals Assessment of the performance of some new insecticides for the control of the vine mealybug Planococcus ficus in a Tunisian vineyard

2017 ◽  
Vol 19 (1) ◽  
pp. 21 ◽  
Author(s):  
R. Mansour ◽  
K. Grissa Lebdi ◽  
S. Rezgui
Keyword(s):  
Pest Management ◽  
Management Strategies ◽  
Residual Activity ◽  
Management Program ◽  
Economic Losses ◽  
Control Performance ◽  
Systemic Insecticide ◽  
Planococcus Ficus ◽  
Adult Females ◽  
Vine Mealybug

Mealybugs (Hemiptera: Pseudococcidae) cause major economic losses in many Tunisian grapegrowing areas. In an attempt to improve management strategies for the Vine Mealybug (VM) Planococcus ficus (Signoret), three insecticides, imidacloprid, Prev-Am® and spirotetramat, were evaluated for their effect on this insect on vine, with reference to methidathion. The systemic insecticide spirotetramat (Movento® 150 OD) provided the greatest control performance of the VM populations, compared to the contact insecticide methidathion, the systemic insecticide imidacloprid applied through furrow irrigated system, and to Prev-Am®, a new contact biopesticide. Three weeks after treatment, VM eggs and adult females were missing from spirotetramat-treated vines. Additionally, spirotetramat supplied a long-residual activity against VM populations and prevented further spread of these insects on vine leaves. Therefore, this new systemic insecticide could be incorporated in an Integrated Pest Management program for VM control in Tunisian vineyards. Despite its short-residual activity, Prev-Am® was shown to be more effective than both methidathion and imidacloprid, mainly on VM eggs and L3 nymphs, and resulted in the highest level of VM L1-L2 nymph decrease on vine trunks. Hence, this biopesticide might prove useful for VM management in vineyards. 

scholarly journals Interaction of Cultural, Biological, and Varietal Controls for Management of Stalk Borers in Louisiana Sugarcane

Insects ◽  
2019 ◽  
Vol 10 (9) ◽  
pp. 305 ◽  
Author(s):  
Thomas E. Reagan ◽  
Megan M. Mulcahy
Keyword(s):  
Pest Management ◽  
Management Strategies ◽  
Stem Borer ◽  
The United States ◽  
Management Program ◽  
Important Pest ◽  
Management Paradigms ◽  
History Of ◽  
Mexican Rice Borer ◽  
New Pest

Diatraea saccharalis F is considered the most important pest of sugarcane in the United States. This article focuses on the history of pest management as it relates to the control of this stem borer in Louisiana sugarcane, and how control practices have become more in tune with integrated pest management paradigms. Various pest management strategies are employed against D. saccharalis and the interactions between each of these provide farmers with the tools needed to curb damaging infestations. However, the invasion of the Mexican rice borer, Eoreuma loftini (Dyar), and other confounding environmental factors have presented farmers, consultants, and researchers with new pest management challenges. We address these challenges and provide an overview of ongoing developments, particularly in the Louisiana sugarcane pest management program.

scholarly journals Key scale insects (Hemiptera: Coccoidea) of high economic importance in a Mediterranean area: host plants, bio-ecological characteristics, natural enemies and pest management strategies – a review

2017 ◽  
Vol 53 (No. 1) ◽  
pp. 1-14 ◽  
Author(s):  
Mansour Ramzi ◽  
Grissa-Lebdi Kaouthar ◽  
Suma Pompeo ◽  
Mazzeo Gaetana ◽  
Russo Agatino
Keyword(s):  
Pest Management ◽  
Host Plants ◽  
Management Strategies ◽  
Mediterranean Area ◽  
Economic Importance ◽  
Scale Insects ◽  
Economic Losses ◽  
Planococcus Citri ◽  
Present Contribution ◽  
Saissetia Oleae

Key scale insects that have long been considered as having high economic importance in Tunisia and for which several research studies and pest management programs have been undertaken include the mealybug species Planococcus ficus (Signoret) and Planococcus citri Risso, the soft scale Saissetia oleae (Olivier) and the armoured scale Parlatoria ziziphi (Lucas). The host plants, bio-ecological aspects, auxiliary fauna of each of the aforementioned species as well as the related economic losses and pest management strategies adopted are explored and discussed. Among these species, P. ficus is considered herein as the most economically important in Tunisia. Still, the present contribution constitutes the first review article on key scale insects infesting plants in the South Mediterranean Maghreb area.

scholarly journals Nursery Integrated Pest Management in Wisconsin

1994 ◽  
Vol 4 (1) ◽  
pp. 72-75
Author(s):  
Karen A. Delahaut ◽  
Charles F. Koval
Keyword(s):  
Integrated Pest Management ◽  
Pest Management ◽  
Pest Control ◽  
Management Strategies ◽  
Monitoring Program ◽  
Management Program ◽  
Landscape Plants

A Nursery Integrated Pest Management program was initiated in Wisconsin in 1991. From 1991 to 1993, the educational and monitoring program enhanced grower familiarity with the IPM concept, as well as provided detailed information on the pest problems common to woody landscape plants in Wisconsin. Educational features of the program include twilight seminars and winter workshops, a pest control guide that described the management strategies available for pests of woody landscape plants, and also statewide pest reporting and pest predictions.

DIFFICULTIES IMPLEMENTING A MODELLING-BASED INTEGRATED PEST MANAGEMENT PROGRAM FOR ALFALFA

1988 ◽  
Vol 120 (S143) ◽  
pp. 47-59 ◽  
Author(s):  
Richard A. Fleming
Keyword(s):  
New York ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Management Strategies ◽  
New York State ◽  
Cost Effective ◽  
Management Program ◽  
Optimization Techniques ◽  
Control Measures ◽  
Project Staff

AbstractA key element of a project designed for integrated pest management in alfalfa fields in New York State is a comprehensive simulation model. The model was developed as a guide for growers to determine when the costs of control measures against alfalfa weevil would be worthwhile. The model incorporates crop and insect submodels. Optimization techniques were used to identify the more cost effective of the possible management strategies. The project has been an unqualified success from a research standpoint but the results are not widely implemented by growers. In this respect, the project has suffered from institutional problems at the research level, lack of confidence and commitment in extension, and skepticism among growers. To rectify this situation, project staff recently adopted new approaches for implementing the program.

RESIDUES OF FOUR SYNTHETIC PYRETHROIDS AND AZINPHOS-METHYL ON APPLE FOLIAGE AND THEIR TOXICITY TO AMBLYSEIUS FALLACIS (ACARI: PHYTOSEIIDAE)

1985 ◽  
Vol 117 (2) ◽  
pp. 143-152 ◽  
Author(s):  
N. J. Bostanian ◽  
A. Belanger ◽  
I. Rivard
Keyword(s):  
Pest Management ◽  
Residue Analysis ◽  
Management Strategies ◽  
Management Program ◽  
The Other ◽  
Synthetic Pyrethroids ◽  
Laboratory Studies ◽  
Amblyseius Fallacis ◽  
Azinphos Methyl ◽  
New Pest

AbstractResidue analysis of apple foliage obtained from an orchard treated with the insecticides cypermethrin, fenvalerate, deltamethrin, permethrin, and azinphos-methyl revealed detectable residues on the leaves 8–9 weeks after the last treatment. Laboratory studies of foliage showed that of the synthetic pyrethroids, permethrin was initially as toxic as the other synthetic pyrethroids; however, its toxicity decreased considerably by the 5th and 6th week post-treatment. Azinphos-methyl was the least persistent and toxic insecticide evaluated. Unless new pest-management strategies are developed, the use of synthetic pyrethroids post-bloom in an integrated-pest-management program would not be desirable where Amblyseius fallacis (Garman) is the principal predator of phytophagous mites.

Biology and integrated management of wheat stem sawfly and the need for continuing research

2011 ◽  
Vol 143 (2) ◽  
pp. 105-125 ◽  
Author(s):  
B.L. Beres ◽  
L.M. Dosdall ◽  
D.K. Weaver ◽  
H.A. Cárcamo ◽  
D.M. Spaner
Keyword(s):  
Great Plains ◽  
Insect Pests ◽  
Integrated Management ◽  
Management Strategies ◽  
Management Program ◽  
Economic Losses ◽  
Northern Great Plains ◽  
Primary Control ◽  
Wheat Stem Sawfly ◽  
Research Activities

AbstractThe wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae), is historically one of the most important economic insect pests in the northern Great Plains of North America. Within this geographical region, the areas subjected to greatest attack are southern Alberta and Saskatchewan, southwestern Manitoba, eastern and northern Montana, North Dakota, northern South Dakota, and western Minnesota. Cumulative grain-yield losses and annual economic losses associated with this pest can exceed 30% and $350 million, respectively. Solid-stemmed cultivars of common wheat, Triticum aestivum L. (Poaceae), tolerant of infestation, are critical for C. cinctus management, but outbreaks of this pest continue to occur even after six decades of cultivar development. Furthermore, chemical control (a primary control option for other cereal (Poaceae) insect pests) has proven ineffective; this underscores the need to integrate resistant cultivars into a comprehensive integrated pest management program. We provide overviews of wheat stem sawfly biology, recent advances in applied research, the efficacy and integration of cultural and biological management strategies, and future directions for global research activities to manage wheat stem sawfly.

Status of cone and seed insect pest management in Canadian seed orchards

1994 ◽  
Vol 70 (6) ◽  
pp. 745-761 ◽  
Author(s):  
Peter de Groot ◽  
Jean J. Turgeon ◽  
Gordon E. Miller
Keyword(s):  
Integrated Pest Management ◽  
Pest Management ◽  
Insect Pest ◽  
Management Strategies ◽  
Management Program ◽  
Life Cycles ◽  
Insect Pest Management ◽  
Seed Orchards ◽  
Conifer Seed ◽  
Seed Insects

Many of Canada's conifer seed orchards are entering their productive phase. In most, if not all seed orchards, insect pest management will be required in order to meet the seed production targets. Canadian seed orchard managers will soon need to know the basic requirements and what information is available to implement an insect pest management program. In this review, a synthesis is provided of the major components of an integrated pest management program for cone and seed insects. A list of the insect pests of conifer cones and seeds in Canada as well as features of their life cycles and population dynamics that could influence pest management strategies is presented. Current and future needs for insect damage appraisal and insect monitoring techniques are discussed. Finally, the various strategies and tactics to control insects are reviewed. Key words: conifer seed orchards, cone insects, seed insects, pest management strategies, integrated pest management

Population dynamics of false wireworms (Gonocephalum macleayi, Pterohelaeus alternatus, P. darlingensis) and development of an integrated pest management program in central Queensland field crops: a review

1993 ◽  
Vol 33 (7) ◽  
pp. 953 ◽  
Author(s):  
LN Robertson
Keyword(s):  
Management Strategies ◽  
Management Program ◽  
Crop Damage ◽  
Economic Losses ◽  
Population Densities ◽  
Field Crops ◽  
Fallow Field ◽  
Economic Injury ◽  
Preceding Season ◽  
Insecticide Control

False wireworms (particularly Pterohelaeus alternatus and Gonocephalum macleayi) are major pests of seedling field crops in central Queensland. Population densities are spatially and temporally dynamic, with high densities (>2/m2) of large larvae and adults generally not persisting at a location for more than 1 year. Adult movement in summer in response to changes in habitat suitability is suggested as the cause of population changes. Natural enemies, particularly entomopathogenic fungi, may also have a role in suppressing high population densities. One-half to three-quarters of fields that have grown summer crops including sorghum, sunflower, soybeans, and mungbeans in the preceding season are infested at densities that could cause economic losses in subsequent crops sown in wide rows with a low seed-sowing rate. Winter-grown wheat results in a significantly lower infestation rate (one-quarter of the fields sampled), but winter chickpea is a suitable crop for development of false wireworm infestations. Cultivation per se does not reduce numbers of false wireworms, but stubble removal may depress densities. False wireworms feed on stubble, and crop damage may be increased in low-stubble fields (following long fallows for example) despite low false wireworm numbers, due to lack of alternative food. The dynamic nature of false wireworm population size makes prediction of pest levels difficult. The presence of false wireworms should be assessed in each fallow field before planting. Management strategies based on preplanting sampling, economic injury levels, stubble management, crop rotation, and insecticide control are discussed.

Electron investigations of rhabdovirus-like particles in mexican bean beetles and crickets

1978 ◽  
Vol 36 (2) ◽  
pp. 378-379
Author(s):  
J. R. Adams ◽  
G. J Tompkins ◽  
A. M. Heimpel ◽  
E. Dougherty
Keyword(s):  
Biological Control ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Developmental Stages ◽  
Management Program ◽  
Acheta Domesticus ◽  
Epilachna Varivestis ◽  
House Cricket ◽  
Similar Morphology ◽  
Bean Beetle

As part of a continual search for potential pathogens of insects for use in biological control or on an integrated pest management program, two bacilliform virus-like particles (VLP) of similar morphology have been found in the Mexican bean beetle Epilachna varivestis Mulsant and the house cricket, Acheta domesticus (L. ).Tissues of diseased larvae and adults of E. varivestis and all developmental stages of A. domesticus were fixed according to procedures previously described. While the bean beetles displayed no external symptoms, the diseased crickets displayed a twitching and shaking of the metathoracic legs and a lowered rate of activity.Examinations of larvae and adult Mexican bean beetles collected in the field in 1976 and 1977 in Maryland and field collected specimens brought into the lab in the fall and reared through several generations revealed that specimens from each collection contained vesicles in the cytoplasm of the midgut filled with hundreds of these VLP's which were enveloped and measured approximately 16-25 nm x 55-110 nm, the shorter VLP's generally having the greater width (Fig. 1).

Sign in / Sign up

Export Citation Format

Share Document