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In a study of net above-ground productivity of the economically important woody weed, S. punicea, in S. Africa, with and without the introduced monoph...
Read moreFlight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...
Read moreAn anholocyclic clone of Rhopalosiphum padi was reared on leaves of barley seedlings at 20°C in LD 16:8. First-instar nymphs and newly moulted, pre-re...
Read moreA study was carried out in the UK in 1982-84 of 5 passerine bird species in four plots (70 ha), two of which were sprayed at 300 g/ha with fenitrothio...
Read moreThe uptake patterns of cadmium and copper by Aphis fabae from its food plant, Vicia faba, grown under control and elevated metal treatments, were comp...
Read moreReinfection of healthy replanted cocoa by cacao swollen shoot badnavirus, was modelled. Much of the spread of disease in pandemically diseased areas s...
Read moreIn investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...
Read moreTo test common assumptions that the reduction in agrochemicals on organic farms allows the conservation of biodiversity but has some cost in terms of ...
Read moreThe spatial heterogeneity of predator populations is an important component of ecological theories pertaining to predator-prey dynamics. Most studies ...
Read moreWhile the biocontrol potential of natural enemies is well established, it is largely unknown how landscape-mediated effects on pest and natural enemy ...
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