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Fig. 1

(A) Location of experimental honey bee colonies and feeding stations (FS1 and FS2) in the plantation. (B) Experimental setup of experiment 1. Training phase, foragers are trained to collect sucrose from both feeders (grey circles). Basal phase, foragers visiting each feeder were counted. Exposure phase, the FS2 was removed and a new one containing Acttra/Entrust was offered (black circle). Returning phase consisted of putting back sucrose solution in FS2. Each phase, except training, lasted 20 min.
(A) Location of experimental honey bee colonies and feeding stations (FS1 and FS2) in the plantation. (B) Experimental setup of experiment 1. Training phase, foragers are trained to collect sucrose from both feeders (grey circles). Basal phase, foragers visiting each feeder were counted. Exposure phase, the FS2 was removed and a new one containing Acttra/Entrust was offered (black circle). Returning phase consisted of putting back sucrose solution in FS2. Each phase, except training, lasted 20 min.

Fig. 2

Apis mellifera exposed to drops of each treatment (A) and foragers with their abdomen colored red after feeding on the treatment containing natural colorant (B and C); foragers that did not consume colored food are also shown (D and E).
Apis mellifera exposed to drops of each treatment (A) and foragers with their abdomen colored red after feeding on the treatment containing natural colorant (B and C); foragers that did not consume colored food are also shown (D and E).

Fig. 3

Mean mortality (± standard error) of foragers exposed to each treatment in experiment 2 (see text for further details). Treatments were not significantly different at α=0.05.
Mean mortality (± standard error) of foragers exposed to each treatment in experiment 2 (see text for further details). Treatments were not significantly different at α=0.05.

Fig. 4

Mean mortality (± standard error) of honey bee foragers in experiment 3 (see text for further details). The same letter indicates no significant difference (Tukey’s HSD test, α=0.05).
Mean mortality (± standard error) of honey bee foragers in experiment 3 (see text for further details). The same letter indicates no significant difference (Tukey’s HSD test, α=0.05).

Active ingredientTrade nameManufacturerClassificationApplication dates
Nitrogen and aminoacidsAlgacellAgroplasma Ferticell SA de CVFertilizers and amendment1 and 5 Feb
AminoacidsAmino PlantOrganic Extract PlantFertilizers25 Jan, 1 and 26 Feb, 5 March
Garlic, neem and cinnamonAranovaZare AgrhosBotanical extracts used as insect repellents26 Feb, 24 March
AzadiracthinAza-direct 1.2 CEGowan mexicana S.A.P.I. DE CVInsecticide1 Feb, 15 March, 21 Apr, 4 May
FenhexamidElevatArysta Lifecience México, S.A. DE C.V.Fungicide25 Jan
Seaweed EckloniaKelpAlgas y Bioderivados Marinos, S.A. de C.V.Fertilizers and amendment26 Jan
Chrysanthemum extractsKillwalcBioCampo, S.A. de C.V.Botanical extracts used as insect repellents/pesticides1 and 26 Feb, 5 March, 14 Apr
Nitrogen and organic compoundsMaxigrowCosmoflorFertilizer1 Feb
AzoxystrobinMaxtrobynHelm de México, S.A.Fungicide1 Feb
Conidia of Isaria fumosoroseaPAE-SINAgrobiologicos del noreste S.A. DE C.V.Biopesticide9 March, 2 May
Ciprodinil and fludioxonilSwitch 62.5 WGSyngenta Agro, S.A. DE C.V.Fungicide18 Feb
Conidia of Hirrsutella thompsoniiThompzarZare AgrhosBiopesticide26 Feb, 5 March,
Conidia of Verticillium lecanniVERTI-SINAgrobiologicos del noreste S.A. DE C.V.Biopesticide9 and 30 March
NitrogenWiserganicWISErg CorporationFertilizers and amendment1 and 26 Feb, 5 March
SiloxaneXtenderFertilizantes e Insumos Agrícolas S.A. de C.V.Adjuvant25 Jan, 18 Feb
eISSN:
2299-4831
Lingua:
Inglese
Frequenza di pubblicazione:
2 volte all'anno
Argomenti della rivista:
Life Sciences, Zoology, other