FIELD EFFICACY STUDY OF DIFFERENT BIORATIONALS AND INSECTICIDES AGAINST BRINJAL SHOOT AND FRUIT BORER (Leucinodes orbonalis Guenee) UNDER  TERAI REGION OF WEST BENGAL

SARKAR, SURAJ; Pal, S.; SAHOO, SHYAMAL; LASKAR, NRIPENDRA; GHOSH, JOYDEB

doi:10.56557/upjoz/2022/v43i163142

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“…( 2010 ), Sardar and Guram ( 1967 ), Sarkar et al. ( 2022 ), Sarnabati and Ray ( 2017 ), Satpathy et al. ( 2006 ), Satpute et al.…”

Section: Figure A1mentioning

confidence: 99%

Pest risk assessment of Leucinodes orbonalis for the European Union

Bragard,

Baptista,

Chatzivassiliou

et al. 2024

EFS2

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Following a request from the European Commission, the EFSA Panel on Plant Health performed a quantitative risk assessment of Leucinodes orbonalis (Lepidoptera: Crambidae), the eggplant fruit and shoot borer, for the EU. The assessment focused on potential pathways for entry, climatic conditions favouring establishment, spread and impact. Options for risk reduction are discussed but effectiveness was not quantified. L. orbonalis is a key pest of eggplant (aubergine/brinjal) in the Indian subcontinent and occurs throughout most of southern Asia with records mostly from India and Bangladesh. The main pathway of entry is fruit of solanaceous plants, primarily exotic varieties of eggplant, Solanum melongena and turkey berry, S. torvum. The trade in both commodities from Asia is small but nevertheless dwarfs the trade in other Solanum fruits from Asia (S. aethiopicum, S. anguivi, S. virginianum, S. aculeatissimum, S. undatum). Other Solanum fruits were therefore not further assessed as potential pathways. The trade in eggplant from Asia consists of special fruit types and caters mostly to niche markets in the EU, while most eggplant consumed in Europe is produced in southern European and northern African countries, where L. orbonalis does not occur. Using expert knowledge elicitation (EKE) and pathway modelling, the Panel estimated that approximately 3-670 infested fruit (90% certainty range, CR) of S. melongena or fruit bunches of S. torvum enter into regions of the EU that are suitable for L. orbonalis establishment each year. Based on CLIMEX modelling, and using two possible thresholds of ecoclimatic index (EI) to indicate uncertainty in establishment potential, climates favouring establishment occur mostly in southern Europe, where, based on human population, approximately 14% of the imported produce is distributed across NUTS2 regions where EI ≥ 30; or 23% of the produce is distributed where EI ≥ 15. Escape of adult moths occurs mostly from consumer waste. By analysing results of different scenarios for the proportion of S. melongena and S. torvum in the trade, and considering uncertainties in the climatic suitability of southern Europe, adult moth emergence in areas suitable for establishment is expected to vary between 84 individuals per year and one individual per 40 years (based on 90% CR in different scenarios). In the baseline scenario, 25% of the solanaceous fruit from Asia

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“…( 2010 ), Sardar and Guram ( 1967 ), Sarkar et al. ( 2022 ), Sarnabati and Ray ( 2017 ), Satpathy et al. ( 2006 ), Satpute et al.…”

Section: Figure A1mentioning

confidence: 99%