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In June 2015, infestations of sunflower crops by the bordered straw Heliothis peltigera
(Lepidoptera: Noctuidae) were recorded in rural areas of the Regional Unit of Drama, N.
Greece. Larval feeding-damage symptoms were observed on leaves and buds of sunflower
plants, mostly at pre-flowering growth stages. Infestations were recorded in approximatel...
Context in source publication
Context 1
... Inspections in Drama, Greece. The morphological characteristics of both the larvae and the emerged adults resembled Heliothis peltigera Denis and Schiffermüller (Lepidoptera: Noctuidae) (Figs 1 and 2) (Alford 1999, Passoa 2014). For species confirmation, the genitalia of adult samples were examined by the third author at the Institute of Biodiversity and Evolutionary Biology in Valencia, Spain. ...
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Citations
... H. peltigera is distributed in the paleosubtropical regions (Hacker, 1989); however, as a result of climatic changes, such as global warming, it is currently becoming a major problem in the European countries (Ragionieri et al., 2017). Cultural methods, natural enemies, and some chemical agents are used in the control of H. peltigera (Simoglou et al., 2017). The application of cultural control methods and natural enemies may be insufficient in epidemics of pest. ...
This study reports a new Helicoverpa armigera nucleopolyhedrovirus (NPV) isolated from Heliothis peltigera (Denis & Schiffermuller), collected in the vicinity of Adana, Turkey. Infection was confirmed by tissue polymerase chain reaction and sequence analysis. Results showed that dead H. peltigera larvae contain Helicoverpa armigera nucleopolyhedrovirus. Thus, the isolate was named as HearNPV-TR. Microscopy studies indicated that occlusion bodies were 0.73 to 1.66 μm in diameter. The nucleocapsids are approximately 184 × 41 nm in size. The genome of HearNPV-TR was digested with KpnI and XhoI enzymes and calculated as 130.5 kb. Phylogenetic analysis showed that HearNPV-TR has close relation with the H. armigera SNPV-1073 China isolate. The Kimura analysis confirmed that the isolate is a variant of H. armigera NPV. Bioassays were performed using six different concentrations (1 × 103 to 1 × 108 occlusion bodies (OBs)/mL) on 2nd instar larvae of H. peltigera, H. armigera, Heliothis viriplaca, Heliothis nubigera. LC50 values were calculated to be 9.5 × 103, 1.9 × 104, 8.6 × 104 and 9.2 × 104 OBs/mL within 14 days, respectively. Results showed that it is a promising biocontrol agent against Heliothinae species.
Ankara ili aspir alanlarında 2018 ve 2019 yıllarında zararlı olan yeşilkurt türünün Heliothis peltigera Denis & Schiffermüller (Lepidoptera: Noctuidae) olduğu tespit edilmiştir. Ankara’nın aspir yetiştirilen sekiz ilçesinde, 2018 yılında 1709 da alan 2019 yılında ise 3487 da alanda H. peltigera’ nın yaygınlığı, yoğunluğu ve bulaşma oranı araştırılmıştır. Survey yapılan aspir alanlarından Çubuk ilçesi hariç olmak üzere Haymana, Polatlı, Ayaş, Beypazarı, Gölbaşı, Bala, Elmadağ, Şereflikoçhisar ilçelerindeki aspir tarlalarının tamamında zararlının yaygın olduğu belirlenmiştir. Ankara aspir alanlarında 2018-2019 yıllarında sırasıyla H. peltigera’ nın %96- 98,7 yaygınlık, 0,57- 1,017 adet larva/bitki yoğunluk, %2,5- %79,80 bulaşma oranına sahip olduğu saptanmıştır.
