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Emergence data on adults of Delia radicum from overwintering dormant pupae were used to develop a temperature-driven stage dynamics model to analyse d...

During 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...

The ability to predict insect development in field situations is fundamental to pest management programmes and in the understanding of insect phenolog...

Leaf extension rates of perennial ryegrass, Italian ryegrass, tall fescue and timothy were measured in the field using artificial soil heating as a tr...

The duration of the flowering period and the fraction of open flowers over time were defined as functions of growing degree-days for 5 almond cultivar...

Effects of total solar radiation and temperature on the early vegetative growth of Helianthus annuus cv. Polestar and Phaseolus vulgaris cv. Canadian ...

The population dynamics of B. globosus were studied at 5 river sites in the Zimbabwe highveld for between 4 and 28 months. Adult snail abundance, recr...

The experimental material (all of Queen Charlotte Islands provenance) consisted of seedlings grown for three months in growth chambers and detached sh...

The temperature requirements of five aphid species (Acyrthosiphon pisum (Harris), Aphis craccivora Koch, Brevicoryne brassicae(L.). Macrosiphum avenae...

There is a linear relationship between the timing of the spring migration of both Sitobion avenae and S. fragariae and latitude, due to the effect of ...