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Aphids are among the most severe invertebrate pests of crops and cause high economic losses. The control of aphids by natural enemies is an essential ...
Read moreThe demographic effects of an organochlorine contaminant on the dioecious aquatic macrophyte Vallisneria americana are reported. Plants were sampled f...
Read moreTwo lectins, concanavalin A (Con A) and Galanthus nivalis agglutinin (GNA), have anti-feedant properties that suggest a potential for the control of i...
Read moreClimate warming directly affects insect disturbance regimes by altering temperature-dependent population development. Indirect effects of climate chan...
Read moreAnthoxanthum odoratum, Holcus lanatus, Hypochoeris radicata, Lolium perenne, Plantago lanceolata and Rumex acetosa ('treatment' spp.) were grown separ...
Read moreAnthoxanthum odoratum, Holcus lanatus, Hypochoeris radicata, Lolium perenne, Plantago lanceolata and Rumex acetosa (i.e. 'treatment' species) were gro...
Read moreAgrostemma githago and spring wheat cv. Sicco were sown in monocultures and 1:1 mixtures at overall densities of 16, 40, 120, 400 and 1200 plants/m2 i...
Read moreIndividuals of eleven native British shrub species growing in containers out of doors were subjected to sodium chloride solutions of different concent...
Read moreThe encroachment of woody plants into grasslands, open woodlands and savannah has been widely reported over the past few decades. Overgrazing is a pro...
Read moreWoody plant encroachment of grasslands is occurring globally, with profound ecological consequences. Attempts to restore herbaceous dominance may fail...
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