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Photosynthetic and respiratory exchanges of carbon dioxide by leaves of the grain amaranth.

Published online: 03 Jan 1969

Authors: El-sharkawy, M. A. & Loomis, R. S. & Williams, W. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

The maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...

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Expansion of leaf area per plant in field bean (Vicia faba L.) as related to daily maximum temperature.

Published online: 03 Jan 1969

Authors: Bull, T. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Relative rate of increase of leaf area per plant was measured in field beans during May-Aug. 1966. In the early stages of growth, until LAI reached ab...

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The relation between the date of heading of Nigerian sorghums and the duration of the growing season.

Published online: 03 Jan 1969

Authors: Curtis, D. L.

Content type: Journal article

Journal title: Journal of Applied Ecology

Indigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...

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A comparison of British and North African varieties of tall fescue (Festuca arundinacea). III. Effects of light, temperature and day length on relative growth rate and its components.

Published online: 04 Dec 1968

Authors: Robson, M. J. & Jewiss, O. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Results suggest that temperature is the main environmental factor controlling the seasonal difference in growth between SI70 and the North African var...

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A comparison of British and North African varieties of tall fescue (Festuca arundinacea). II. Growth during winter and survival at low temperatures.

Published online: 04 Dec 1968

Authors: Robson, M. J. & Jewiss, O. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

During the winter 1963-64 the North African synthetic variety, SynII, showed a greater relative growth rate than the British S170. Of two north temper...

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The relation between the date of heading of Nigerian sorghums and the duration of the growing season.

Published online: 04 Dec 1968

Authors: Curtis, D. L.

Content type: Journal article

Journal title: Journal of Applied Ecology

A variety indigenous to northern Nigeria yields best in its own locality, the time of flowering coinciding with the end of the rainy season. If the va...

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The effects of some mammals and birds on regeneration of Oak.

Published online: 19 Nov 1968

Authors: Mellanby, K.

Content type: Journal article

Journal title: Journal of Applied Ecology

cf. F.A. 27 No. 886.] Studies at Monks Wood, Huntingdonshire, and Silwood Park, Berkshire, suggest that the species of animals (particularly birds) th...

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Expansion of leaf area per plant in field bean (Vicia faba L.) as related to daily maximum temperature.

Published online: 28 Oct 1968

Authors: Bull, T. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

The relative rate of increase of leaf area per plant was measured in Vicia faba from May to August. In the early stages of growth, until the leaf area...

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The foraging behaviour of honeybees (Apis melli-ferd) and bumblebees (Bombus spp.) on blackcurrant (Ribes nigrum), raspberry (Rubus idaeus) and strawberry (Fragaria × Ananassa) flowers.

Published online: 28 Oct 1968

Authors: Free, J. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

Observations on the behaviour of bees visiting black currant, raspberry and strawberry flowers showed that bees touched both stamens and stigmas of ne...

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Dandelion as a competitor to fruit trees for bee visits.

Published online: 28 Oct 1968

Authors: Free, J. B.

Content type: Journal article

Journal title: Journal of Applied Ecology

Honeybee colonies in fruit orchards often collect much dandelion pollen. Bees visiting dandelions become conditioned to them and, even when the dandel...

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