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Leaf consumption and oviposition of Palpita forficifera (Lepidoptera: Crambidae) on different olive cultivars

Castilhos, Rodolfo Vargas ; Brugnara, Eduardo Cesar ; Nesi, Cristiano Nunes

Revista Ceres, 2022-11, Vol.69 (6), p.759-764 [Periódico revisado por pares]

Vicosa: Universidade Federal de Viçosa-UFV, Revista Ceres

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  • Título:
    Leaf consumption and oviposition of Palpita forficifera (Lepidoptera: Crambidae) on different olive cultivars
  • Autor: Castilhos, Rodolfo Vargas ; Brugnara, Eduardo Cesar ; Nesi, Cristiano Nunes
  • Assuntos: AGRICULTURE, MULTIDISCIPLINARY ; Bioassays ; Consumption ; Cultivars ; Eggs ; Evaluation ; host plant resistance ; Humidity ; integrated pest management ; Laboratories ; Larvae ; Leaf area ; Leaves ; non-preference ; Olea europaea ; olive caterpillar ; Orchards ; Oviposition ; Pest resistance ; Plant resistance ; Relative humidity
  • É parte de: Revista Ceres, 2022-11, Vol.69 (6), p.759-764
  • Descrição: Given the scarcity of information about resistance of olive cultivars to P forficifera, studies that subside the use of genetic resistance in olive pest's management are expected. [...]in order to contribute with the knowledge on P forficifera bioecology and management in olive groves, this work aimed to evaluate the leaf consumption and oviposition preference of P forficifera on three olive cultivars in laboratory bioassays. After this period, the trees were removed from the cage and the number of eggs laid in each cultivar was counted using a binocular stereomicroscope. Because the leaf area of each three was not precisely the same, the leaves of each tree were detached and the leaf area was measured using a portable leaf area meter model CI-202 (CID Bio-Science), in order to estimate the oviposition density (number of eggs per 100 cm2). Consumption bioassays To evaluate the larvae leaf consumption on different olive cultivars, bioassays with no-choice and free-choice were carried in laboratory (25 ± 2 °C temperature, 60 ± 10% relative humidity and 14 hours photophase) with the cultivars Arbequina, Arbosana and Koroneiki, whose leaves were obtained from a 7 years old olive orchard located at Epagri/Cepaf experimental area. Because the offered fresh mass in the cultivars and replicates was approximate but not precisely the same, leaves from each replicate were previously weighted in a precision scale and recorded before offering.
  • Editor: Vicosa: Universidade Federal de Viçosa-UFV, Revista Ceres
  • Idioma: Inglês;Português
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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