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Aphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...
Read morePlant-parasitic nematodes are important pests of agriculture, and transgenic plants with potential for nematode control are currently being developed....
Read moreAn increase in pesticide resistance in many pest species is promoting interest in biological control. Much remains to be learned about natural enemy i...
Read moreThe number of individuals involved in an invasion event, or 'propagule size', has a strong theoretical basis for influencing invasion success. However...
Read moreThe effects of attack density of Ips cembrae on the gallery length, eggs and adult offspring production and mortality were studied in 0.1 m2 bark samp...
Read moreThe genetic structure of agricultural plant populations has long been recognized as an important factor in their vulnerability or resistance to diseas...
Read moreForests of mountain birch (Betula pubescens subsp. tortuosa [B. tortuosa]) in the lower parts of the Abisko valley, northern Sweden, and in the Finnma...
Read moreAlthough crop rotation has been used for centuries to enhance agricultural production, there are surprisingly little data justifying the use of one ro...
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