Moving toward short stature maize: The effect of plant height on maize stalk lodging resistance

Christopher J. Stubbs; Bharath Kunduru; Norbert Bokros; Virginia Verges; Jordan Porter; Douglas D. Cook; Seth DeBolt; Christopher McMahan; Rajandeep S. Sekhon; Daniel J. Robertson

doi:10.1016/j.fcr.2023.109008

Moving toward short stature maize: The effect of plant height on maize stalk lodging resistance

Christopher J. Stubbs, Bharath Kunduru, Norbert Bokros, Virginia Verges, Jordan Porter, Douglas D. Cook, Seth DeBolt, Christopher McMahan, Rajandeep S. Sekhon, Daniel J. Robertson

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Background: Stalk lodging is the structural failure of crops due to external loading such as wind. Short-stature (i.e., dwarf) varieties of wheat and rice have shown promise in reducing lodging rates. However, similar dwarfing in large gains like maize and sorghum has typically been accompanied by undesirable commercial characteristics, including significantly decreased grain yields. The purpose of this paper is to quantify the relationship between lodging resistance and plant height in maize to better understand the potential impact of short-stature varieties of maize on lodging resistance. Results: Results from both the engineering analysis and the experimental field study indicate a nearly 1:1 relationship between plant height and plant lodging resistance. These data support the validity of the engineering analysis and suggest that there exists a nearly linear relationship between crop lodging incidence and plant height. Conclusions: Plant height has a direct and quantifiable impact on crop lodging resistance as it influences the bending stresses experienced in the plant stem. This study presents the engineering analysis, supported by field experiments, that explains the cause of this nearly linear 1:1 relationship.

Original language	English
Article number	109008
Journal	Field Crops Research
Volume	300
DOIs	https://doi.org/10.1016/j.fcr.2023.109008
State	Published - Sep 1 2023

Bibliographical note

Publisher Copyright:
© 2023 The Authors

Funding

This work was funded in part by the National Science Foundation (Award #1826715 , Award # 2225211 ) and the United States Department of Agriculture—National Institute of Food and Agriculture (Award #2020-10917 ). Any opinions, findings, conclusions, or recommendations are those of the author(s) and do not necessarily reflect the view of the funding bodies. Authors wish to thank Dr. William Bridges for his help in conducting the analysis for partitioning variance for stalk lodging incidence.

Funders	Funder number
National Science Foundation (NSF)	1826715, 2225211
U.S. Department of Agriculture
National Institute of Food and Agriculture	2020-10917

Keywords

Lodging
Maize
Short Stature
Stalk
Strength

ASJC Scopus subject areas

Agronomy and Crop Science
Soil Science

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10.1016/j.fcr.2023.109008

Cite this

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abstract = "Background: Stalk lodging is the structural failure of crops due to external loading such as wind. Short-stature (i.e., dwarf) varieties of wheat and rice have shown promise in reducing lodging rates. However, similar dwarfing in large gains like maize and sorghum has typically been accompanied by undesirable commercial characteristics, including significantly decreased grain yields. The purpose of this paper is to quantify the relationship between lodging resistance and plant height in maize to better understand the potential impact of short-stature varieties of maize on lodging resistance. Results: Results from both the engineering analysis and the experimental field study indicate a nearly 1:1 relationship between plant height and plant lodging resistance. These data support the validity of the engineering analysis and suggest that there exists a nearly linear relationship between crop lodging incidence and plant height. Conclusions: Plant height has a direct and quantifiable impact on crop lodging resistance as it influences the bending stresses experienced in the plant stem. This study presents the engineering analysis, supported by field experiments, that explains the cause of this nearly linear 1:1 relationship.",

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AU - Kunduru, Bharath

AU - Bokros, Norbert

AU - Verges, Virginia

AU - Porter, Jordan

AU - Cook, Douglas D.

AU - DeBolt, Seth

AU - McMahan, Christopher

AU - Sekhon, Rajandeep S.

AU - Robertson, Daniel J.

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N2 - Background: Stalk lodging is the structural failure of crops due to external loading such as wind. Short-stature (i.e., dwarf) varieties of wheat and rice have shown promise in reducing lodging rates. However, similar dwarfing in large gains like maize and sorghum has typically been accompanied by undesirable commercial characteristics, including significantly decreased grain yields. The purpose of this paper is to quantify the relationship between lodging resistance and plant height in maize to better understand the potential impact of short-stature varieties of maize on lodging resistance. Results: Results from both the engineering analysis and the experimental field study indicate a nearly 1:1 relationship between plant height and plant lodging resistance. These data support the validity of the engineering analysis and suggest that there exists a nearly linear relationship between crop lodging incidence and plant height. Conclusions: Plant height has a direct and quantifiable impact on crop lodging resistance as it influences the bending stresses experienced in the plant stem. This study presents the engineering analysis, supported by field experiments, that explains the cause of this nearly linear 1:1 relationship.

AB - Background: Stalk lodging is the structural failure of crops due to external loading such as wind. Short-stature (i.e., dwarf) varieties of wheat and rice have shown promise in reducing lodging rates. However, similar dwarfing in large gains like maize and sorghum has typically been accompanied by undesirable commercial characteristics, including significantly decreased grain yields. The purpose of this paper is to quantify the relationship between lodging resistance and plant height in maize to better understand the potential impact of short-stature varieties of maize on lodging resistance. Results: Results from both the engineering analysis and the experimental field study indicate a nearly 1:1 relationship between plant height and plant lodging resistance. These data support the validity of the engineering analysis and suggest that there exists a nearly linear relationship between crop lodging incidence and plant height. Conclusions: Plant height has a direct and quantifiable impact on crop lodging resistance as it influences the bending stresses experienced in the plant stem. This study presents the engineering analysis, supported by field experiments, that explains the cause of this nearly linear 1:1 relationship.

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KW - Strength

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Moving toward short stature maize: The effect of plant height on maize stalk lodging resistance

Abstract

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

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