An examination of the effects of water stress on leaf growth of crops of field beans (<i>Vicia faba</i> L.):2. Mineral content

Farah, S. M.

doi:10.1017/s0021859600066120

Cited by 11 publications

(15 citation statements)

References 15 publications

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“…In contrast, the most consistent effect of spring sowing was to depress mass per bean (Hussain et al 1983). Other work on the response of field beans to irrigation and sowing date has produced similar results (El-Nadi, 1970;Thompson & Taylor, 1977;Farah, 1981;Hebblethwaite, 1982). To increase both the size and the consistency of field bean yields, it is important to determine how crop husbandry can be used to manipulate the pattern of crop growth and development to promote both the retention of more pods per plant and the growth of large beans within these pods.…”

Section: Introductionmentioning

confidence: 94%

“…where P is the mean photoperiod and />" is the base photoperiod. To compare results from Farah's (1981) experiments with the present work, meteorological data from the Grassland Research Institute, Hurley, Berkshire (Grassland Research Institute, 1976 were used. The base temperature (F b ) and base photoperiod (P b ) were estimated using Arnold's (1959) X-intercept method and the standard error of T-^ and P b were calculated from a standard formula (Campbell et al 1974).…”

Section: Crop Developmentmentioning

confidence: 99%

“…To eliminate the influence of drought on phenological development, only observations for the fully irrigated treatment were used in the followiing analysis. Other published data describing crop development of Maris Bead have also been analysed, where relevant weather observations were available (Newton, 1980;Farah, 1981).…”

Section: Developmentmentioning

confidence: 99%

“…Y= -000497 + 00018A" (r a = 0-98); T b = 2-7 (±15). ( « , Newton, 1980;A, Farah, 1981. ) time indicates a base temperature of nearly 0 °C (Fig.…”

Section: Developmentmentioning

confidence: 99%

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The response of field beans (Vicia fabaL.) to irrigation and sowing date. 2. Growth and development in relation to yield

1988

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S U M M A R YThe growth and yield of four crops of field bean cv. Maris Bead in response to irrigation and sowing date were analysed in relation to leaf area expansion and senescence and their absorption and utilization of photosynthetically active radiation (PAR). Total dry matter (D.M.) production and seed yield were strongly correlated with total green area duration (GAD) and post-flowering GAD respectively.Total D.M. production was also strongly related to radiation absorbed by the green surfaces of the crop although autumn sowing and drought both decreased the constant of proportionality, i.e. the growth efficiency (£ g ). Autumn sowings yielded more than spring sowings because they grew for longer and received 22 % more radiation. Their harvest index was also about 40 % higher than in spring sowings. These more than compensated for their smaller E g . Drought decreased yield mainly by decreasing radiation received and E % . Growth duration was shorter and harvest index was smaller.The rate of phenological development was strongly dependent upon temperature and to a lesser extent on photoperiod. The average thermal duration from emergence to flowering was 790 °Cd above a base of 0 °C. The time from sowing to the end of the pod growth was well represented by a simple multiplicative model in which development rate was a linear function of temperature above a base of 0 °C and photoperiod above a base of 6 h. The average photothermal duration required for 10 crops was 980 °Cd.An attempt was also made to determine the crop physiological and environmental factors which govern the change in size of the yield components of field bean crops caused by irrigation and sowing date. The final number of pods per plant was closely correlated with the rate of supply of assimilates during pod filling. Irrigation increased assimilate flux by increasing leaf area, growth rate and total dry matter during pod growth. Both the rate and duration of pod growth were little affected by irrigation. Autumn sowings produced heavier pods and beans due to both a faster rate and a longer duration of growth which were associated with a greater production of assimilate during the seed growth period. Seed growth depends on both the current assimilate and stored reserves, the latter especially when plants were subjected to environmental stress.

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Section: Introductionmentioning

confidence: 94%

Section: Crop Developmentmentioning

confidence: 99%

Section: Developmentmentioning

confidence: 99%

“…Y= -000497 + 00018A" (r a = 0-98); T b = 2-7 (±15). ( « , Newton, 1980;A, Farah, 1981. ) time indicates a base temperature of nearly 0 °C (Fig.…”

Section: Developmentmentioning

confidence: 99%

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The response of field beans (Vicia fabaL.) to irrigation and sowing date. 2. Growth and development in relation to yield

1988

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“…However, its yield although potentially large is notoriously erratic (eg Hawtin and Hebblethwaite 1983), which inevitably reduces its popularity. This variability may relate largely to water supply, for although the existence of a specific moisture-sensitive stage is contentious there is considerable evidence at least for spring-sown forms that faba beans are particularly susceptible to water stress (eg El Nadi 1969;Krogman et a1 1980;Farah 1981) and that irrigation allows them to fulfil their high yield potential (eg Husain et a1 1988) and reduces seasonal variation (Thompson and Taylor 1981). However, as far as the authors are aware, no work has examined the effect of irrigation at different stages of growth on the yield and yield stability of autumn-sown forms of faba bean in Europe.…”

Section: Introductionmentioning

confidence: 99%

Irrigation effects on the development and yield of determinate and indeterminate forms of autumn‐sown faba bean

1990

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Large and erratic seasonal variations in yield of faba beans (Vicia faba L ) are attributed to the responsiveness of indeterminate cultiuars to changes in water supply. A field trial at the University of Nottingham School of Agriculture Farm examined the response of an indeterminate cultivar (Bourdon) and a determinate selection (858) to di&erent levels of water supply at diferent stages of growth. The trial was sown in the autumn of each of three consecutive seasons beginning in 1985.By limiting the availability of photosynthate to the reproductive sinks, water stress at the pod-filling stage reduced the numbers of each component of yield and so yield itself. It was suggested that this was the moisturesensitive stage.Bourdon was a larger plant and had more reproductive nodes than 858. However, although the yield of 858 was consequently less than that of Bourdon, it showed much less variation in response to water supply. I t is proposed that determinate forms may improve the yield stability of faba bean. 443 J Sci Food Ayric 0022-5142/90/$03.50 0 1990 SCI. Printed in Great Britain 444 C J Pilbeam, P D Hebblethwaite. A A Yusu]

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Changes in the Phosphorus Content of Capsicum annuum Leaves during Water Stress

Turner

1985

Journal of Plant Physiology

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An examination of the effects of water stress on leaf growth of crops of field beans (Vicia faba L.):2. Mineral content

Cited by 11 publications

References 15 publications

The response of field beans (Vicia fabaL.) to irrigation and sowing date. 2. Growth and development in relation to yield

The response of field beans (Vicia fabaL.) to irrigation and sowing date. 2. Growth and development in relation to yield

Irrigation effects on the development and yield of determinate and indeterminate forms of autumn‐sown faba bean

Changes in the Phosphorus Content of Capsicum annuum Leaves during Water Stress

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