Effects of Bioinsecticides in Control of Greenhouse Whitefly (Trialeurodes vaporariorum Westwood) on Tomato
Efekti bioinsekticida u suzbijanju bele leptiraste vaši (Trialeurodes vaporariorum Westwood) na paradajzu
Pregled/ Otvaranje
Autor
Marcic, Dejan
Prijovic, Mirjana
Drobnjakovic, Tanja
Peric, Pantelija
Ključne reči
T. vaporariorumAzadirachtin
B. bassiana
Oxymatrin
oksimatrin
Metadata
Prikaz svih podataka o dokumentuApstrakt
The effects of commercial products of entomopathogenic fungus Beauveria bassiana
(Naturalis; 0.1%, 0.2% and 0.3%), azadirachtin (NeemAzal T/S; 1% and 2%) and oxymatrin
(KingBo; 0.1% and 0.2%) in the control of greenhouse whitefly (Trialeurodes vaporariorum
Westwood) on tomato were tested in plastic covered greenhouse. The effects of the bioinsecticides,
applied twice at five-day interval, were compared to effects of abamectin (Abastate
EW; 0.075%) and thiamethoxam (Actara 25-WG; 0.05%). Tested bioinsecticides reduced
the number of larvae by 82-97% (Naturalis), 90-99% (NeemAzal T/S) and 90-96% (KingBo),
with the efficacy of >96% according to Henderson-Tilton, in the assessment 16 days after
treatment. In the same assessment, achieved percentages in adults reduction and efficacy
amounted 24-89% and 67-95% (Naturalis), 85-93% and 93-97% (NeemAzal T/S), 86-96%
and 94-98% (KingBo). Percentages of abundance reduction and efficacy after treatment with
Abastate EW were 31% and 88% (larvae) and 64% and 84% (adults), while after treatment
with Actara 25-WG they amounted 96% and 99% (larvae) and 83% and 92% (adults). The results
obtained show that NeemAzal T/S, Naturalis and KingBo can be an efficient alternative
to current insecticides in control of T. vaporariorum populations. Ispitivani su efekti komercijalnih preparata entomopatogene gljive Beauveria bassiana (Naturalis;
0,1%, 0,2% i 0,3%), azadirahtina (NeemAzal T/S; 1% i 2%) i oksimatrina (KingBo; 0,1% i 0,2%)
u suzbijanju bele leptiraste vaši (Trialeurodes vaporariorum Westwood) na paradajzu u stakleniku.
Efekti ovih bioinsekticida, koji su primenjeni dva puta u razmaku od pet dana, upoređeni
su sa efektima abamektina (Abastate EW; 0,075%) i tiametoksama (Actara 25-WG; 0,05%). Ispitivani
bioinsekticidi redukovali su brojnost larvi za 82-97% (Naturalis), 90-99% (NeemAzal T/S) i
90-96% (KingBo), uz efikasnost po Henderson-Tiltonu >96%, u oceni 16 dana posle tretiranja. U
istoj oceni, ostvareni procenti redukcije brojnosti adulta i efikasnosti iznosili su 24-89% i 67-95%
(Naturalis), 85-93% i 93-97% (NeemAzal T/S), 86-96% i 94-98% (KingBo). Procenti redukcije brojnosti
i efikasnosti nakon tretiranja preparatom Abastate EW bili su 31% i 88% (larve) i 64% i 84%
(adulti), dok su nakon tretiranja preparatom Actara 25-WG iznosili 96% i 99% (larve) i 83% i 92%
(adulti). Dobijeni rezultati pokazuju da NeemAzal T/S, Naturalis i KingBo mogu da budu efikasna
alternativa aktuelnim insekticidima u suzbijanju populacija T. vaporariorum.