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Showing 63 results

Sugar provisioning maximizes the biocontrol service of parasitoids.

Published online: 10 Jun 2015

Authors: Tena, A. & Pekas, A. & Cano, D. & Wäckers, F. L. & Urbaneja, A.

Content type: Journal article

Journal title: Journal of Applied Ecology

There is increasing interest in the use of food supplements in agriculture to enhance the performance of parasitoids as part of conservation biologica...

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Alate production by aphids on sugar beet: how likely is the evolution of sugar beet-specific biotypes?

Published online: 20 Apr 2000

Authors: Williams, I. S. & Dewar, A. M. & Dixon, A. F. G. & Thornhill, W. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Aphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...

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Effects of shelter on the growth of turnips and sugar beet.

Published online: 01 Jan 1974

Authors: Marshall, J. K.

Content type: Journal article

Journal title: Journal of Applied Ecology

Swedes cv. Victory and sugar beet cv. Klein E were grown at 2 sites in S.E. England and protected by a N.-S. screen with 50% permeability; the height ...

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Food selection by skylarks and grazing damage to sugar beet seedlings.

Published online: 01 Jan 1981

Authors: Green, R. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

Observations were made on sugar beet fields in Cambridgeshire and West Suffolk, UK, in April-May 1977 and 1978 from emergence of seedlings until they ...

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Soil impedance as a factor reducing crop seedling emergence, and its relation to soil conditions at sowing, and to applied water.

Published online: 01 Jan 1979

Authors: Hegarty, T. W. & Royle, S. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

Seeds of calabrese, carrot, onion and sugar beet were sown in the field on successive occasions. Soil integral impedance (work done in penetrating the...

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Predicting the determinants of weed abundance: a model for the population dynamics of Chenopodium album in sugar beet.

Published online: 13 Apr 1999

Authors: Freckleton, R. P. & Watkinson, A. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Previously published literature on the population dynamics of a common arable weed, Chenopodium album, and its interactions with an arable crop, sugar...

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The effects of irrigation, cultivation and some insecticides on the soil arthropods of an East African dry grassland.

Published online: 15 Jul 1968

Authors: Burnett, G. F.

Content type: Journal article

Journal title: Journal of Applied Ecology

Investigations were made of arthropods in a silty, poorly drained, gray soil under dry grassland, irrigated sugar cane, and under natural grassland re...

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A physiological and mathematical study of the growth and productivity of a Calluna-Sphagnum community. 3. Distribution of photosynthate in Calluna vulgaris L. Hull.

Published online: 01 Jan 1973

Authors: Grace, J. & Woolhouse, H. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

The time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...

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Physiological analysis of the effects of different soils on sugar beet crops in different years.

Published online: 03 Jan 1969

Authors: Goodman, P. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Sugar-beet was grown at 7 locations with different soil types in the E. of England and received 2 levels of N during 1960-2. Differences in yield betw...

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Physiological analysis of the effects of different soils on sugar beet crops in different years.

Published online: 22 May 1969

Authors: Goodman, P. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

In each of three years, sugar beet was grown on; seven different soils with two rates of fertilizer-N. Differences in yield between different soils an...

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