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Genetic diversity is one of the three main levels of biodiversity recognised in the Convention on Biological Diversity (CBD). Fundamental for species ...
Read moreResistance against pesticides is a widespread and increasing problem. The control of pesticide dose and the mixing of pesticides have been proposed as...
Read moreNew invading pathogen strains must compete with endemic pathogen strains to emerge and spread. As disease control measures are often non-specific, tha...
Read moreThe following is virtually the author's summary. Dipterous eggs laid in the soil round the bases of plants in market-garden crops of cabbage and cauli...
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