Mostrando 1,461 - 1,480 Resultados de 15,354 Para Buscar '"Pest"', tiempo de consulta: 0.40s Limitar resultados
  1. 1461
  2. 1462
  3. 1463
    “…Transgenic crops that produce Bacillus thuringiensis (Bt) toxins are effective tools for controlling lepidopteran pests. However, the degree of susceptibility to Bt toxins differs among various pest species due to relatively narrow spectrum and high selectivity of such toxins. …”
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  4. 1464
  5. 1465
    “…BACKGROUND: Trunk-boring pests (TBPs) are an important type of forest pest, TBPs not only feed on the branches and trunks of trees, but also spread quarantine diseases in forests. …”
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  6. 1466
    por Cloyd, Raymond A.
    Publicado 2020
    “…Natural enemies, in turn, will regulate existing insect pest populations to levels that minimize plant damage. …”
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  7. 1467
    “…Cocoa pod borer (CPB), Conopomorpha cramerella is a major pest of cocoa in Malaysia and Indonesia that is responsible for the decline for cocoa production. …”
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  8. 1468
    “…For the 2019 Student Debates, the SAC SDS identified these topic areas for teams to debate and unbiased introduction speakers to address: 1) how to better communicate science to engage the public, particularly in the area of integrated pest management (IPM), 2) the influential impacts of climate change on agriculturally and medically relevant insect pests, and 3) sustainable agriculture techniques that promote the use of IPM to promote food security. …”
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  9. 1469
    “…With the built-in, sequence-specific knockdown of gene targets following delivery of double-stranded RNA (dsRNA), RNAi offers the promise of controlling pests and pathogens without adversely affecting non-target species. …”
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  10. 1470
    “…Here, we investigated five critical parameters and how they affected the evaluation of resistance to the organophosphate phosmet or the pyrethroid lambda-cyhalothrin using a tarsal-contact protocol on Drosophila suzukii, a worldwide invasive pest. Three of the parameters were related to insect biology: (i) sex, (ii) age of the imago (adult stage) and (iii) genetic diversity of the tested population. …”
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  11. 1471
  12. 1472
    “…In Uganda, changes in smallholder farming landscapes due to crop rotations can impact pest populations but how these changes affect pest outbreak risk is unknown. …”
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  13. 1473
    “…Ecologists study how populations are regulated, while scientists studying biological pest control apply population regulation processes to reduce numbers of harmful organisms: an organism (a natural enemy) is used to reduce the population density of another organism (a pest). …”
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  14. 1474
    “…This amount is insufficient to offer adequate protection against tick bites and this study adds further weight to previous investigations that ultrasonic devices should not be employed in pest management.…”
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  15. 1475
  16. 1476
    “…SIMPLE SUMMARY: Accurate and rapid species identification is crucial in early monitoring and intervention of a pest, especially for a new and emerging pest. Here, the first detailed morphological features of Rhynchaenus maculosus at four life-cycle stages are reported for traditional species identification. …”
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  17. 1477
    “…SIMPLE SUMMARY: As malacologists long concerned with conservation of molluscs, we present empirical evidence supporting the proposition that biological control of nonmarine mollusc pests has generally not been demonstrated to be safe and effective, which are the basic measures of success. …”
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  18. 1478
    “…SIMPLE SUMMARY: Red palm weevil (RPW), Rynchophorus ferrugineus Olivier, is a destructive pest that often seriously infests palm plants. Because of the negative environmental effect and pesticide resistance caused by insecticide applications, it is important to develop novel green control strategies for this pest. …”
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  19. 1479
    “…This opinion belongs to a series of opinions where these control measures will be assessed, with this opinion covering the assessment of control measures for peste des petits ruminants (PPR). In this opinion, EFSA and the AHAW Panel of experts review the effectiveness of: (i) clinical and laboratory sampling procedures, (ii) monitoring period and (iii) the minimum radii of the protection and surveillance zones, and the minimum length of time the measures should be applied in these zones. …”
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  20. 1480
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