Abstract
ABTRACT Corn is continually subject to environmental and biological stresses that lower its yield potential, and many of the physiological responses to these stresses are modulated by the natural plant hormone ethylene. We are investigating technologies that alter the level of, or the sensitivity to, ethylene as means of protecting the corn plant from stress, and thereby increasing its productivity. The competitive ethylene inhibitor 1-MCP, which decreases plant sensitivity to ethylene, minimizes the negative impacts of supra-optimal plant populations and decreases yield reductions due to high temperature stress. We also show a late-season retention of leaf chlorophyll from strobilurin-based fungicides, which is associated with a decrease in ethylene biosynthesis, and which we believe acts as a long-term signal to alter the senescence trajectory. Tools to manage plant ethylene are clearly one way to mitigate plant stress resulting in higher corn productivity and we discuss these in relationship to other management factors that impact corn productivity.
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Claims 4
Claim · model-written summary
1-MCP minimizes adverse effects of supra-optimal corn plant populations.
- Taxon
- Corn
Zea mays subsp. mayse0 - Treatment
- 1-MCPe1
- Outcome
- negative impactse1
- Direction
- minimizese1
- Comparator
- supra-optimal plant populationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn is continually subject to environmental and biological stresses that lower its yield potential”
e1“The competitive ethylene inhibitor 1-MCP, which decreases plant sensitivity to ethylene, minimizes the negative impacts of supra-optimal plant populations”
Claim · model-written summary
1-MCP decreases corn yield losses under high temperature stress.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- 1-MCPe1
- Outcome
- yield reductionse1
- Direction
- decreasese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn is continually subject to environmental and biological stresses”
e1“The competitive ethylene inhibitor 1-MCP, which decreases plant sensitivity to ethylene, minimizes the negative impacts of supra-optimal plant populations and decreases yield reductions due to high temperature stress.”
Claim · model-written summary
Strobilurin-based fungicides were associated with late-season retention of corn leaf chlorophyll.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- strobilurin-based fungicidese1
- Outcome
- retention of leaf chlorophylle1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn plant”
e1“We also show a late-season retention of leaf chlorophyll from strobilurin-based fungicides”
Claim · model-written summary
Late-season corn leaf chlorophyll retention was associated with decreased ethylene biosynthesis.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- strobilurin-based fungicidese1
- Outcome
- ethylene biosynthesise1
- Direction
- decreasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn plant”
e1“late-season retention of leaf chlorophyll from strobilurin-based fungicides, which is associated with a decrease in ethylene biosynthesis”
The same questions in other papers
fungicide · physiology: pigments · Zea mays (maize)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.