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Ritchie Ritchie, Hanway Hanway, Benson Benson (1986)
How a corn plant developsIowa State University of Science and Technology Cooperative Extension Service, 48
Gifford Gifford, Evans Evans (1981)
Photosynthesis, carbon partitioning, and yieldAnn. Rev. Plant Physiol., 32
J. Oosten, D. Wilkins, R. Besford (1994)
Regulation of the expression of photosynthetic nuclear genes by CO2 is mimicked by regulation by carbohydrates: a mechanism for the acclimation of photosynthesis to high CO2?Plant Cell and Environment, 17
J. Prioul, A. Reyss, N. Schwebel-Dugué (1990)
Relationships between carbohydrate metabolism in ear and adjacent leaf during grain filling in maize genotypes.Plant Physiology and Biochemistry, 28
J. Boyer, H. Mcpherson (1975)
Physiology of Water Deficits in Cereal CropsAdvances in Agronomy, 27
J. Schussler, M. Westgate (1994)
Increasing Assimilate Reserves Does Not Prevent Kernel Abortion at Low Water Potential in MaizeCrop Science, 34
J. Boyer (1976)
Photosynthesis at low water potentialsPhilosophical Transactions of the Royal Society B, 273
N. Frey (1981)
Dry Matter Accumulation in Kernels of Maize1Crop Science, 21
G. Premachandra, H. Saneoka, K. Fujita, S. Ogata (1992)
Osmotic Adjustment and Stomatal Response to Water Deficits in MaizeJournal of Experimental Botany, 43
M. Tollenaar, T. Daynard (1978)
EFFECT OF DEFOLIATION ON KERNEL DEVELOPMENT IN MAIZECanadian Journal of Plant Science, 58
C. Zinselmeier, M. Lauer, J. Boyer (1995)
Reversing Drought-Induced Losses in Grain Yield: Sucrose Maintains Embryo Growth in MaizeCrop Science, 35
M. Herrero, R. Johnson (1981)
Drought Stress and Its Effects on Maize Reproductive Systems1Crop Science, 21
U. Sonnewald, Lothar Willmitzer (1992)
Molecular approaches to sink-source interactions.Plant physiology, 99 4
R. Keck, J. Boyer (1974)
Chloroplast Response to Low Leaf Water Potentials: III. Differing Inhibition of Electron Transport and Photophosphorylation.Plant physiology, 53 3
Zhou Zhou, Dutileul Dutileul, MacKenzie MacKenzie, Madramootoo Madramootoo, Smith Smith (1996b)
Effects of stem‐injected sucrose on grain production, dry matter distribution, and chlorophyll fluorescence of field grown corn plantsJ. Agron. and Crop Sci.
Grabau Grabau, Blevins Blevins, Minor Minor (1986)
Stem infusions enhanced methionine content of soybeansPlant Physiol., 82
L. Grabau, D. Blevins, H. Minor (1986)
Stem infusions enhanced methionine content of soybean storage protein.Plant physiology, 82 4
M. Westgate, J. Boyer (1985)
Carbohydrate Reserves and Reproductive Development at Low Leaf Water Potentials in Maize1Crop Science, 25
X. Zhou, D. Smith (1996)
A New Technique for Continous Injection Into Stems of Field-Grown Corn PlantsCrop Science, 36
T. Hsiao (1973)
Plant Responses to Water StressAnnual Review of Plant Biology, 24
A. Krapp, B. Hofmann, C. Schäfer, M. Stitt (1993)
Regulation of the Expression of Rbcs and Other Photosynthetic Genes by Carbohydrates - a Mechanism for the Sink Regulation of PhotosynthesisPlant Journal, 3
P. Bassetti, M. Westgate (1993)
Water deficit affects receptivity of maize silksCrop Science, 33
J. Schussler, M. Westgate (1991)
Maize Kernel Set at Low Water Potential: I. Sensitivity to Reduced Assimilates during Early Kernel GrowthCrop Science, 31
M. Boyle, J. Boyer, P. Morgan (1991)
Stem Infusion of Maize PlantsCrop Science, 31
I. Zelitch (1982)
The Close Relationship Between Net Photosynthesis and Crop YieldBioScience, 32
Hsiao Hsiao (1973)
Plant response to water stressAnn. Rev. Plant Physiol., 24
B. Ma, L. Dwyer, D. Stewart, C. Andrews, M. Tollenaar (1994)
Stem infusion of field‐grown maizeCommunications in Soil Science and Plant Analysis, 25
R. Gifford, L. Evans (1981)
PHOTOSYNTHESIS, CARBON PARTITIONING, AND YIELDAnnual Review of Plant Biology, 32
B. Ma, Donald Smith (1992)
New Method for Supplying Substances to Cereal InflorescencesCrop Science, 32
Boyle Boyle, Boyer Boyer, Morgan Morgan (1991b)
Stem infusion of liquid culture medium prevents reproductive failure of maize at low water potentialCrop Sci., 31
Water stress during silking or early kernel development decreases the number of kernels set by corn (Zea mays L.) plants. Previous work has suggested that lack of assimilate supply due to water stress at silking was a major factor in the resulting reproductive failure. A greenhouse experiment was conducted to test the hypothesis that sucrose supplementation of water stressed corn plants can prevent decreased kernel set. Sucrose was injected into corn stems at three concentrations (0 (distilled water), 150 and 300 g L−1) for 30 days starting at silking. Water availability was controlled by either maintaining a water table at 50 cm from the soil surface (well watered) or by withholding water starting one week before silking (water stress) until the fifth day after silking. The photosynthesis rate of water stressed plants was 25% that of well‐water plants on the first day of silking. On average, the daily injection rate for distilled water was 1 mL higher than that of the sucrose treatments over a 30 day injection period. No difference in daily uptake rate was observed between the 150 and 300 g sucrose L−1 treatments. Over water availability treatments approximately 17 g sucrose were injected into corn plants during the 30 day injection period. Corn plants receiving sufficient water supply produced bigger ears, with more seeds and greater 100‐seed weight values, leading to higher total plant dry matter accumulation than water stressed plants. Injection of 300 g sucrose L−1 increased the weight of the injected internodes by 28%, compared with distilled water injection. The highest grain yield was for the plants injected with 150 g sucrose L−1, but only under sufficient water supply. The plants injected with 300 g sucrose L−1 produced the least grain regardless of moisture availability. Thus, the exogenous sucrose supplementation influenced kernel set only under conditions of sufficient soil water supply. These results indicate that plant reproductive development after silking was limited more by water availability than assimilate supply, suggesting that some overall plant response to water stress, perhaps mediated by hormonal signalling, was more important than carbohydrate supply. These results indicated that plant desiccation occurred during floral development or pollination; irreversible loss of florets on unsuccessful pollination could result, thus, grain yield would be limited more by sink size than by availability of photosynthate.
Journal of Agronomy and Crop Science – Wiley
Published: Oct 1, 1997
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