The Effect of Temperature on Development and Dry-matter Accumulation of Vicia faba Seeds

Dekhuijzen, H. M.; Verkerke, D.R.

doi:10.1093/oxfordjournals.aob.a087269

Cited by 16 publications

(17 citation statements)

References 18 publications

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“…With increasing growth temperature (16-26°C), the rate of dry matter accumulation in the seed of Vicia faba increases, but the duration of seed growth decreases. The combined effect is a lower final seed dry weight as temperature increases (4). Similar effects of temperature on seed growth have been reported for soybean (6) and wheat (13).…”

supporting

confidence: 77%

“…Similar effects of temperature on seed growth have been reported for soybean (6) and wheat (13). The growth duration of Vicia embryos in vivo is similarly affected by temperature as in vitro (4,5). This has also been found for seed growth rate in soybean by Egli and Wardlaw (6).…”

supporting

confidence: 75%

“…The ideas that assimilate supply or sucrose uptake capacity of the embryo primarily control seed growth have found no support in most studies (6,13,23 and references cited therein). High temperature decreases final seed dry weight by shortening the duration of cell division, without affecting final cell size (4,13). Thus, cell number may determine final seed dry weight (3,7,10).…”

Section: Discussionmentioning

confidence: 99%

“…Both the rate and duration of seed growth are important parameters in yield formation in grain crops (13) and grain legumes (4,6,10). Cell division is an important process determining seed growth (5,7,10).…”

mentioning

confidence: 99%

“…Cell division is an important process determining seed growth (5,7,10). One of the main environmental factors affecting these processes is temperature (4,6,13).…”

mentioning

confidence: 99%

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Control of Seed Respiration and Growth in Vicia faba by Oxygen and Temperature: No Evidence for an Oxygen Diffusion Barrier

Visser

Dekhuijzen²,

Verkerke³

1990

Plant Physiol.

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The rate of dry matter accumulation by seeds of Vicia faba L. cv. Minica increases with temperature in the range of 16 to 26°C.The duration of dry matter accumulation decreases with temperature, resulting in a decrease of final seed dry weight. In this study we test the hypothesis that a diffusion barrier for 02, located in the seed coat, inhibits seed respiration and growth. The rate Of 02 uptake of intact seeds and of excised embryos and seed coats (separated seeds) was measured in air and buffer at 16, 20, and/or 260C at various 02 concentrations and developmental stages. Oxygen uptake rates of intact seeds in buffer were only 9 to 15% of those in air. In buffer, the respiration rate of intact seeds decreased at a PO2 below air saturation (21 kilopascals), whereas separated seeds showed a decline of 02 uptake only below 80% of air saturation. In air, embryo excision had no effect on the sensitivity of seed respiration to PO2, at both 20 and 260C. In air at 200C, separated and intact seeds showed similar rates of 02 uptake. Oxygen uptake by intact seeds, both halfway and beyond the linear growth phase, showed a temperature coefficient Q1o of 2.3 and was insensitive to p02 in the range of 80 to 100% of ambient. These results indicate that V. faba seed respiration in air is not limited by the diffusion of 02 into the seed.Both the rate and duration of seed growth are important parameters in yield formation in grain crops (13) and grain legumes (4, 6, 10). Cell division is an important process determining seed growth (5, 7, 10). One of the main environmental factors affecting these processes is temperature (4, 6, 13).The cause and mechanism of the cessation of seed growth in cereals and legumes are not known (5,6,10,13,20,23). With increasing growth temperature (16-26°C), the rate of dry matter accumulation in the seed of Vicia faba increases, but the duration of seed growth decreases. The combined effect is a lower final seed dry weight as temperature increases (4). Similar effects of temperature on seed growth have been reported for soybean (6) and wheat (13). The growth duration of Vicia embryos in vivo is similarly affected by temperature as in vitro (4,5). This has also been found for seed growth rate in soybean by Egli and Wardlaw (6). Thus, the cause of both the cessation of seed growth and the lower final seed dry weight at high temperature may be sought in processes in the seed.The relationship between growth and respiration of devel-668 oping seeds has not received much attention (10,11,20). Ohmura and Howell (15,16) were the first to suggest that 02 uptake by the cotyledons of soybean seeds during maturation may be limited by 02 diffusion through the seed coat. Recently, Sinclair (20, 21) has argued that 02 diffusion into the vascular vessels of soybean seed coats forms a potential limitation to seed respiration and growth. Gale (9) has shown that the CO2 evolution of intact soybean seeds is decreased by 02 partial pressures below ambient (<21 kPa), and suggests that the pod wall and seed coat ...

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supporting

confidence: 77%

supporting

confidence: 75%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

“…Cell division is an important process determining seed growth (5,7,10). One of the main environmental factors affecting these processes is temperature (4,6,13).…”

mentioning

confidence: 99%

See 3 more Smart Citations

Control of Seed Respiration and Growth in Vicia faba by Oxygen and Temperature: No Evidence for an Oxygen Diffusion Barrier

Visser

Dekhuijzen²,

Verkerke³

1990

Plant Physiol.

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Environmental Influences on Seed Size and Composition

Fenner

1992

Horticultural Reviews

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Effect of temperature during flowering, pod set, and seed development on yield components and accumulation of protein, starch, and low molecular weight carbohydrates in two faba bean (Vicia faba L.) cultivars

Lundby,

Waalen,

Uhlen

et al. 2023

Legume Science

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The aim was to explore the impact of temperature during seed development on yield performance and seed quality in faba bean when grown at cool temperatures representative for high latitude regions. Two varieties, an early and a medium late maturing, were grown in climate chambers with three temperature regimes (day/night temperatures of 14°C/12°C, 19°C/12°C, and 24°C/12°C) from onset of flowering to maturation. Yield components were recorded, and the accumulation of protein, starch, and low molecular weight carbohydrates including the raffinose family oligosaccharides was followed during the accumulation phase until physiological maturity. The lower temperature regimes strongly delayed pod and seed development compared with 24°C/12°C. Temperature affected the number of pods per plant for the upper node group. Plants grown at 19°C had the highest total dry seed weight compared with plants grown at 14°C and 24°C. Temperature per se did not influence the content of starch, protein, and low molecular weight carbohydrates, while their accumulation followed the moisture content in the seed, and thus the seed development stage. The content of raffinose family oligosaccharides increased sharply when the seed moisture dropped below 70% and leveled off at about 40% and 50% moisture for verbascose and stachyose, respectively, coinciding with physiological maturity. The results provide more knowledge about the seed maturation and accumulation in faba bean under low temperatures, important for cultivation under high latitude regions.

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The Effect of Temperature on Development and Dry-matter Accumulation of Vicia faba Seeds

Cited by 16 publications

References 18 publications

Control of Seed Respiration and Growth in Vicia faba by Oxygen and Temperature: No Evidence for an Oxygen Diffusion Barrier

Control of Seed Respiration and Growth in Vicia faba by Oxygen and Temperature: No Evidence for an Oxygen Diffusion Barrier

Environmental Influences on Seed Size and Composition

Effect of temperature during flowering, pod set, and seed development on yield components and accumulation of protein, starch, and low molecular weight carbohydrates in two faba bean (Vicia faba L.) cultivars

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