Stimulation and Inhibition by Ethephon of Stem and Leaf Growth of Some Gramineae at Different Stages of Development

Andel, O. M. van; Verkerke, D.R.

doi:10.1093/jxb/29.3.639

Cited by 23 publications

(11 citation statements)

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“…of several grasses, due to ethylene, has been reported previously by Van Andel and Verkerke [27] . The conspicuously stronger effects of the ACC treatment at the early growth stage (9 d) than those at the two later stages (23 or 35 d) ( Table 6) may, perhaps, also be related to the greater opportunity of this early treatment to affect sub-apical meristematic activity .…”

Section: Effects Of Acc On Shoot Developmentsupporting

confidence: 65%

“…Also, the difference in this increase between Experiments 4 and 6 ( Table 7) may be attributed to the plants in Experiment 6 being somewhat closer to apical-cone elongation stage when exposed to ACC, than plants in Experiment 4 . One additional internode and one additional leaf was observed in oats treated with ethephon at the 2-leaf stage by Van Andel and Verkerke [27] but we are not aware of any similar observation in other Gramineae . However, regarding other species a striking effect of ethylene on leaf initiation was found in Chrysanthemum moriflorium, a short-day plant with determinate growth habit [11] .…”

Section: Effects Of Acc On Shoot Developmentsupporting

confidence: 51%

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Effects of ACC (1-aminocyclopropane-1-carboxylic acid) applied through the roots of maize seedlings on vegetative and early reproductive development of the shoots

Pinthus

Jackson

1994

Plant Growth Regul

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Maize plants, grown in aerated solution cultures, were exposed, at different growth stages, to ACC (1-aminocyclopropane-1-carboxylic acid) applied through the roots for up to 9 d . Total uptake of ACC increased with seedling size . During ACC treatment, ethylene evolution, by the shoots, proceeded at an almost constant rate per unit fresh weight that was up to 40-fold faster than that of untreated plants . This stimulation extended several days beyond the period of ACC uptake . The effects on growth and development were assessed when plants were 50 -52-d old . ACC application shortened certain stem internodes, leaf-sheaths and laminae . The location of these effects depended on the time of application. The greatest shortening was induced by application, at the 4-leaf stage (10 d-old), prior to elongation of the cone of the shoot apex . This is ascribed to effects on meristematic tissue, in addition to those on elongating cells . An unexpected response to ACC treatment, at the 4-leaf stage, was an increase of up to four leaf-bearing stem nodes compared to untreated plants . This resulted in a parallel elevation of the uppermost ear-bearing axillary shoot to higher nodal positions . The length of leaves high in the canopy (nodes 11-16) was promoted by treating seedlings with ACC . The only clear effect of the ACC treatments on emergent axillary shoots per se was a retardation of silk elongation .

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Section: Effects Of Acc On Shoot Developmentsupporting

confidence: 65%

Section: Effects Of Acc On Shoot Developmentsupporting

confidence: 51%

Effects of ACC (1-aminocyclopropane-1-carboxylic acid) applied through the roots of maize seedlings on vegetative and early reproductive development of the shoots

Pinthus

Jackson

1994

Plant Growth Regul

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“…This observation suggests that ethylene functions late in pathogenesis of this host-pathogen interaction and that other physiological phenomena ofthe interaction may be necessary to predispose the infected tissue to ethylene damage. Predisposition of host tissue to ethylene damage is suspected because applications of Ethephon to healthy P. pratensis may cause several changes in growth, but it does not induce chlorosis (25,26 …”

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confidence: 99%

Ethylene-Induced Chlorosis in the Pathogenesis of Bipolaris sorokiniana Leaf Spot of Poa pratensis

Hodges

Coleman²

1984

Plant Physiol.

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Subjecting inoculated leaves of intact plants to a controlled atmospheric-environmental system with an atmospheric pressure of 233 millibars and 02 and CO2 parti pressures adjAsted to approximately that of normal ambient pressure during infection and disease development prevented most midvein chlorosis and complete chlorosis, but did not prevent necrotic lesion or chlorotic halo development. Under the hypobaric conditions, chlorophyll loss during disease development was reduced to 22% compared with controls at 96 hours. The observations suggest that ethylene may function late in pathogenesis of this host-pathogen interaction and is responsible for much of the chlorophyll loss after its maximum production at 48 hours.

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“…Ethephon is obviously not a specific flowering-prevention PGR . At low concentrations ethephon has been shown to be both stimulatory and inhibitory to Vegetative growth of grasses (Poovaiah and Leopold 1973, Rostron 1978, Van Andel and Vertkerke 1978 . In sugarcane, PGRs inhibitory to vegetative growth can bring about an increase in sucrose storage .…”

Section: Discussionmentioning

confidence: 99%

Prevention of flowering and increasing sugar yield of sugarcane by application of ethephon (2-chloroethylphosphonic acid)

Moore¹,

Osgood

1989

J Plant Growth Regul

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. The inhibition of flowering in sugarcane by ethephon (2-chloroethylphosphonic acid) applied to experimental plots is well-documented ; however, verification of its efficacy in large field trials is lacking . Largescale field trials were established at Mauna Kea Agribusiness Company, Inc., a sugar and macadamia nut plantation located on the island of Hawaii, to determine whether flower inhibition attributed to ethephon would increase sugar yield . Summarization of results from 35 paired block experiments showed an 87% reduction in tasseling in the ethephon-treated blocks. The yield of sugarcane was increased by 7 .5%, and the yield of sugar by 10% . The correlation (r2) between the decrease in flowering and increase in cane and sugar yield was only 0 .02 and 0.08%, respectively, indicating that the yield increase attributed to ethephon was not adequately explained by its effect on flowering .Flowering of commercial sugarcane (Saccharum spp . hybrids) is an intermediate daylength response occurring annually during autumn . The sugarcane inflorescence is a determinant panicle, so that following induction of flowering the reproductive culms no longer produce internodes or leaves . Termination of vegetative shoot development can temporarily increase sugar yields by partitioning that part of photosynthates normally used for vegetative growth into additional storage sucrose . However, over the longer interval the flowering eulms stop growth, begin to senesce, become diseased, and cause a decreasePaper No . 665 in the journal series of the Experiment Station, Hawa n gar Planters' Association,

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Stimulation and Inhibition by Ethephon of Stem and Leaf Growth of Some Gramineae at Different Stages of Development

Cited by 23 publications

References 0 publications

Effects of ACC (1-aminocyclopropane-1-carboxylic acid) applied through the roots of maize seedlings on vegetative and early reproductive development of the shoots

Effects of ACC (1-aminocyclopropane-1-carboxylic acid) applied through the roots of maize seedlings on vegetative and early reproductive development of the shoots

Ethylene-Induced Chlorosis in the Pathogenesis of Bipolaris sorokiniana Leaf Spot of Poa pratensis

Prevention of flowering and increasing sugar yield of sugarcane by application of ethephon (2-chloroethylphosphonic acid)

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