Biological Control of Greenhouse Whitefly with the ParasitoidEncarsia formosaon Tomato: An Individual-Based Simulation Approach

1997 ◽  
Vol 9 (1) ◽  
pp. 25-47 ◽  
Author(s):  
H.J.W. van Roermund ◽  
J.C. van Lenteren ◽  
R. Rabbinge
Keyword(s):  
Biological Control ◽  
Simulation Approach ◽  
Greenhouse Whitefly ◽  
Individual Based Simulation

Individual based modeling of Pseudomonas aeruginosa biofilm with three detachment mechanisms

RSC Advances ◽  
2015 ◽  
Vol 5 (96) ◽  
pp. 79001-79010 ◽  
Author(s):  
Cheng Li ◽  
Yilei Zhang ◽  
Cohen Yehuda
Keyword(s):  
Pseudomonas Aeruginosa ◽  
Simulation Approach ◽  
Individual Based Simulation ◽  
Individual Based Modeling

Individual based simulation approach has attracted more and more interest in biofilm simulation.

scholarly journals Quantitative genetics of body size evolution on islands: an individual-based simulation approach

2019 ◽  
Vol 15 (10) ◽  
pp. 20190481 ◽  
Author(s):  
José Alexandre F. Diniz-Filho ◽  
Lucas Jardim ◽  
Thiago F. Rangel ◽  
Phillip B. Holden ◽  
Neil R. Edwards ◽  
...  
Keyword(s):  
Body Size ◽  
Quantitative Genetics ◽  
Evolutionary Genetics ◽  
Simulation Approach ◽  
Island Rule ◽  
Size Change ◽  
Evolutionary Patterns ◽  
New Developments ◽  
Size Evolution ◽  
Individual Based Simulation

According to the island rule, small-bodied vertebrates will tend to evolve larger body size on islands, whereas the opposite happens to large-bodied species. This controversial pattern has been studied at the macroecological and biogeographical scales, but new developments in quantitative evolutionary genetics now allow studying the island rule from a mechanistic perspective. Here, we develop a simulation approach based on an individual-based model to model body size change on islands as a progressive adaptation to a moving optimum, determined by density-dependent population dynamics. We applied the model to evaluate body size differentiation in the pigmy extinct hominin Homo floresiensis, showing that dwarfing may have occurred in only about 360 generations (95% CI ranging from 150 to 675 generations). This result agrees with reports suggesting rapid dwarfing of large mammals on islands, as well as with the recent discovery that small-sized hominins lived in Flores as early as 700 kyr ago. Our simulations illustrate the power of analysing ecological and evolutionary patterns from an explicit quantitative genetics perspective.

scholarly journals Evaluation of Euseius gallicus as a biological control agent of western flower thrips and greenhouse whitefly in rose

2016 ◽  
Vol 25 (Supplement1) ◽  
pp. S147-S159
Author(s):  
Yvonne M. VAN HOUTEN ◽  
Hans HOOGERBRUGGE ◽  
Kirsten OUDE LENFERINK ◽  
Markus KNAPP ◽  
Karel J. F. BOLCKMANS
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Western Flower Thrips ◽  
Control Agent ◽  
Greenhouse Whitefly ◽  
Flower Thrips

scholarly journals Comparison of Biological and Chemical Control of Greenhouse Whitefly on Poinsettia Stock Plants

1992 ◽  
Vol 2 (4) ◽  
pp. 457-460 ◽  
Author(s):  
R.W. McMahon ◽  
R.K. Lindquist ◽  
M.L. Casey ◽  
A.C. Witt ◽  
S.H. Kinnamon
Keyword(s):  
Biological Control ◽  
Chemical Control ◽  
Trialeurodes Vaporariorum ◽  
Euphorbia Pulcherrima ◽  
Encarsia Formosa ◽  
Greenhouse Whitefly ◽  
Wild Stock ◽  
Control Compartment

A demonstration study was conducted to compare the effectiveness of biological and chemical control treatments on the greenhouse whitefly (GHWF) (Trialeurodes vaporariorum, Westwood) using poinsettia (Euphorbia pulcherrima Wild.) stock plants. Two identical greenhouse compartments, each containing 84 stock plants, were used. In the biological control compartment, three biweekly releases of Encarsia formosa (EF) were made, while in the chemical control compartment eight weekly applications of resmethrin or acephate aerosol treatments were made. Results showed that overall greenhouse whitefly populations in the chemical control compartment were slightly lower than in the biological control compartment. Cuttings taken from stock plants in the biological control compartment at the end of the experiment were commercially acceptable with regard to the presence of GHWF adults. Chemical names used: O,S-dimethyl acetylphosphoramidothioate (acephate), [5-(phenylmethyl)-3-furanyl] methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropane-carboxylate (resmethrin).

scholarly journals Comparison of Commercially and Locally Produced Encarsia formosa Gahan on the Control of Sweetpotato Whitefly on Poinsettias

1994 ◽  
Vol 4 (3) ◽  
pp. 295-298 ◽  
Author(s):  
R.W. McMahon ◽  
R.K. Lindquist ◽  
B.D. Baith ◽  
T.L. Makin ◽  
M.L. Casey
Keyword(s):  
Biological Control ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Bemisia Tabaci ◽  
Euphorbia Pulcherrima ◽  
Encarsia Formosa ◽  
Sweetpotato Whitefly ◽  
Greenhouse Whitefly

A 2-year demonstration study was conducted to compare the effectiveness of two sources of Encarsia formosa (EF) on the biological control of the sweetpotato whitefly (SPWF) (Bemisia tabaci Gennadius) on poinsettias (Euphorbia pulcherrima Wild.). Commercially produced EF were raised on the greenhouse whitefly (GHWF) (Trialuerodes vaporariorum Westwood), while the locally produced EF were raised on the SPWF. Results showed that SPWF populations were reduced considerably both years, and maximum nymph parasitism ranged from 60% to >80%. No large differences were observed in the ability of EF to control SPWF populations whether raised on SPWF or GHWF nymphs. This study suggests that there is potential for controlling SPWF populations on poinsettia by EF in conjunction with an integrated pest management (IPM) program.

scholarly journals The application of an Integrated Control on Eggplant for the Greenhouse Whitefly, Triαleurodes vαporαriorum

2017 ◽  
Vol 10 ◽  
pp. 25
Author(s):  
SAFEL DAWLA Abdalla ◽  
S. Michelakis
Keyword(s):  
Biological Control ◽  
Integrated Control ◽  
Encarsia Formosa ◽  
Greenhouse Whitefly ◽  
Whitefly Population ◽  
Low Level ◽  
Adequate Control ◽  
Release Ratio ◽  
Biological Methods

Integrated control of the greenhouse whitefly on eggplant, using physical (traps), chemical and biological methods, was tested. The mort efficient combination was the use of Quinomethionate and traps. Applaud and Actellic mixture was fairly effective in controlling the greenhouse whitefly. Biological control by the parasite Encarsia formosa (Gahan), resulted in moderate, but adequate control when combined with traps. Traps clone gave reasonable results. All treatments were effective in reducing whitefly population to a satisfactory low level, when compared to the untreated populations. Parasitoid/host release ratio play an important rote in the results of biological control using E. formosa. The higher relcase ratio of 4:1, parasitoid:host, gave the maximum parasitization percentage.

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