Yield performance of field beans (<i>Vicia faba</i> L.) in relation to interactions between inflorescences at different nodes

Aufhammer, W.; Götz, Isabella; Peter, M.

doi:10.1017/s0021859600079521

Cited by 13 publications

(10 citation statements)

References 15 publications

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“…Experiments in which light, leaf area or the number of developing fruits are varied (McAlister & Krober, 1958;Sheldrake, 1979;Aufhammer, Gotz & Peter, 1987) indicate that the supply of photosynthate may be critical at these stages. Peet et al (1977) found for example that the yield of dry bean was correlated with the rate of photosynthesis at the time of pod set for eight out of nine cultivars tested.…”

Section: From Flower To Fruitmentioning

confidence: 99%

Tansley Review No. 27 The control of carbon partitioning in plants

1990

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Summary This review reports on the processes associated with carbon transfer and metabolism in leaves and growing organs and the role of long‐distance transport and vascular links in the regulation of carbon partitioning in plants. Partitioning is clearly influenced by both the supply and demand for photosynthate and is moderated by vascular connections and the storage capacity of the leaves and pathway tissues. However there appears to be little more than circumstantial evidence either that short distance transfer of carbon within either the source or the sink, or that long‐distance transport in the phloem, are limiting photosynthesis or growth directly. Although individual biochemical and physiological processes relating to photosynthesis and growth may be well understood, the factors primarily responsible for the control of carbon partitioning in plants have not been clearly identified. There is a need for a greater understanding of organ initiation and development (source and sink formation and potential size), the clear identification of whether growth is sink or source limited (including possible sink‐controlled photosynthesis) and a detailed assessment of the role of storage in buffering developmental and environmental changes in sink and source activity. Also more information is needed on the role of hormonal and nutritional factors in regulating source and sink activity (organ interactions not directly associated with carbon transfer).

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Section: From Flower To Fruitmentioning

confidence: 99%

Tansley Review No. 27 The control of carbon partitioning in plants

1990

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“…T M T R o n u r T i D M (White et al 1984), the release of abscission-inducing Dybing 1980) and the control of photosynthate grain legumes results in realizations of reproductive competition between reproductive and vegetative sink potential ranging from 10 to 30% (Sinha 1977) sinks (Clifford 1981;Aufhammer et al 1987). This and is a critical physiological trait determining paper reports a series of experiments in which a range harvestable yield (Hardwick 1988).…”

Section: Effects Of Growth Regulators On Reproductive Abscissionmentioning

confidence: 99%

Effects of growth regulators on reproductive abscission in faba bean (Vicia fabacv. Troy)

Clifford

Pentland

Baylis³

1992

J. Agric. Sci.

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SummaryGrowth regulators were applied to faba bean (field bean) plants in order to study hormonal control of premature reproductive abscission. Combined data from pairs of racemes sited in a consistently yielding region of the main stem indicated effects of growth regulator treatments. Decapitation increased pod numbers, but the inhibitory influence of the upper shoot could not be replaced completely by indol-3yl-acetic acid (IAA) applied to the cut stem stump. Blockage of auxin transport through the stem with the auxin-transport inhibitors 2, 3, 5-triiodobenzoic acid (TIBA) or methyl-2-chloro-9-hydroxyfluorene-9-carboxylate (CF, chlorflurenol) reduced pod numbers above the application point. The latter effects might have been indirect and due to elevated ethylene levels, since pod retention in this shoot region was decreased when sprayed with the ethylene-releasing compound 1-aminocyclopropane carboxylic acid (ACC) and increased when sprayed with ethylene-biosynthesis inhibitors 2-aminoethoxyvinyl glycine (AVG) or l-amino-2-cyclopropylcyclopropane carboxylic acid (cyclopropyl-ACC). Pod numbers were increased when the reproductive structures themselves were sprayed with IAA, gibberellic acid (GA3) or 6-benzylaminopurine (BAP), although a corresponding increase in total seed weight occurred only with the latter growth regulator. Application of BAP or abscisic acid (ABA) as root drenches showed that levels of reproductive abscission were raised or lowered with BAP treatment, depending on its concentration, and lowered with ABA treatment. It is suggested that growth regulator treatments leading to decreased ethylene production in the shoot and/or increased cytokinin and abscisic levels in the xylem sap are those most likely to reduce abscission.

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“…Mit der Entfernung der zwei proximalen Bliiten an den Infloreszenzen der Nodien 3-6 (ROWLAND et al 1984, AuFHAMMER et al 1987, weisen in die gleiche Richtung. Zusammengenommen heifit dies: Konkurrenz innerhalb und zwischen vegetativen und generativen Organen um Assimilate verhindert eine vermehrte Nutzung angebotenen Speicherpotentials.…”

Section: Effekte Der Behandlungunclassified

Untersuchungen zur Nutzbarkeit des generativen Speicherpotentials von indeterminierten Ackerbohnengenotypen (Vicia faba L.)

Aufhammer

Peter

1988

J Agronomy Crop Science

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Investigations on the utilization of the generative storage potential of indeterminated field bean genotypes (Vicia faba L.) The gradation in seed yield between and within the inflorescences of a field bean plant results from a hierarchical control by way of internal competition in connection with hormonal regulation. Following this hypothesis in genotypes with different yielding capacity (2 inbred lines, 1 hybrid) the two proximal flowers/inflorescence of the nodes 3–6 (counted from the bottom of the plant) were either removed or treated with growth regulators. AMO‐1618 was applied for inhibition of the gibberellic acid biosynthesis, or chlorflurenolmethylester (CFM) for reduction of indole‐3yl acetic acid translocation as both phytohormones might be concerned with the hierarchical control of the storage system. — Independent from yield level a reduction of the used storage potential in control plants up to 50% by treatments was fully compensated for in other regions and positions of the plant. AMO‐1618 application in some cases indicated an increased seed yield/plant, whereas CFM only increased the number of sterile pods/plant. These effects are discussed in relation to the storing efficiency and to yield stability of an indeterminated faba bean plant.

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Yield performance of field beans (Vicia faba L.) in relation to interactions between inflorescences at different nodes

Cited by 13 publications

References 15 publications

Tansley Review No. 27 The control of carbon partitioning in plants

Tansley Review No. 27 The control of carbon partitioning in plants

Effects of growth regulators on reproductive abscission in faba bean (Vicia fabacv. Troy)

Untersuchungen zur Nutzbarkeit des generativen Speicherpotentials von indeterminierten Ackerbohnengenotypen (Vicia faba L.)

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