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Assessment of control strategies against Cydia pomonella (L.) in Morocco

100%

Iraqui S., Hmimina M.

Journal of Plant Protection Research

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2016

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tom 56

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nr 1

The codling moth, Cydia pomonella (L.), is the key pest of apple production worldwide. In Morocco, there is a sustainable presence of codling moth causing considerable damage in apple orchards despite frequent applications of broad spectrum insecticides. For 12 years, sexual trapping and chemical control were performed and the development of the codling moth population was analysed in an orchard which was in the region of Azrou. The efficacy of some insecticides (azinphos-methyl, chlorpyriphos-ethyl, diflubenzuron, thiacloprid, methoxyfenozide, spinosad, and deltamethrin) was also evaluated on neonate larvae and compared with a laboratory sensitive strain. This procedure was done to assess an eventual resistance in Moroccan populations. The action threshold was usually exceeded, leading to an intensive chemical control, with an average frequency of 9 to 13 days. The chemical control was done according to the action persistence time of the insecticides and the trap captures. However, those two parameters are compromised in Moroccan conditions because of the high summer temperatures which disrupt the action of insecticides and exacerbate populations. The pheromone traps may become ineffective and useless. Neonate larvae were resistant to five insecticides out of seven. Such results suggest the presence of a cross resistance in local strains. Overall, the insect resistance, the functioning of the sexual traps, and some insecticides properties (persistence action, pre-harvest interval) are the key factors that could explain the failure to control these moths under Moroccan conditions.

2

Dependence between the application of insecticide mixtures and the delaying of insect resistance

100%

Kroczynski J.

Pestycydy

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1990

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nr 2-3

3

Analysis of insecticidal activity in transgenic plants carrying the ipt plant growth hormone gene

84%

Smigocki A., Heu S., Buta G.

Acta Physiologiae Plantarum

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2000

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tom 22

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nr 3

4

Non-target risk assessment for crops engineered for insect resistance

67%

Hellmich R. L., Gorecka J.

Annals of Warsaw University of Life Sciences - SGGW. Horticulture and Landscape Architecture

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2008

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tom 29

5

Toxicity of phytohemagglutinin [PHA] from Phaseolus vulgaris L. to the bird cherry-oat aphid [Rhopalosiphum padi L.]

67%

Sprawka I.

Pestycydy

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2008

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nr 3-4

101-108

Recent progress in plant transformation for insect resistance has increased the interest in the potential toxicity of lectins to insect pests. The aim of the present study was to examine the effects of phytohemagglutinin (PHA) on survival, development and fecundity of the bird cherry-oat aphid, when tested on artificial diet. The laboratory tests did not reveal any phagostimulating properties of lectin PHA to R. padi, although the presence of the PHA in the diet decreased fecundity of the adult aphids compared to aphids fed on control diets. Tested lectin had a negative effect on the insects’ weight and induced their mortality. The data presented here suggest that PHA possesses a high insecticidal activity towards the bird cherry-oat aphid and might be considered as protein biopesticide against that aphid pest.

6

Zwalczanie stonki ziemniaczanej

43%

Strazynski P., Mrowczynski M.

Farmer

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2018

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nr 05

Ograniczanie wyników

2 Pestycydy

1 Acta Physiologiae Plantarum

1 Annals of Warsaw University of Life Sciences - SGGW. Horticulture and Landscape Architecture

1 Farmer

1 Journal of Plant Protection Research

1 Buta G.

1 Gorecka J.

1 Hellmich R. L.

1 Heu S.

1 Hmimina M.

1 Iraqui S.

1 Kroczynski J.

1 Mrowczynski M.

1 Smigocki A.

1 Sprawka I.

1 Strazynski P.

1 2018

1 2016

2 2008