2012California State University ScholarWorks (system-wide DSpace)Open access

Drought causes limited productivity of maize: drought tolerant corn hybrid

Gaurav Sidhu

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Abstract

Due to drought stress, there is a significant amount of loss in corn yield \ncaused by weather changes such as rising temperatures and the decrease of rainfall. With \nthe help of new genetic tools, improvements in conventional crop yields have shown \nsome success over the past several decades. Researchers have found that the native corn \ngenes allow drought tolerance by comparing populations and parent lines in the drought \nenvironment. A managed stress environment (MSE) plays an important role by providing \nthe researchers an ideal place to manage the heat stress and irrigation water amount. This, \nin turn helps, to validate candidate regions and genes by conducting massively parallel \ntranscript profiling studies. This type of study was performed in the field of research of \ndrought tolerant corn and project management, which focused on data collection from the \nfield. This research took place in Woodland, California, with a climate known to be droughtstricken. \nIt was concluded that modern hybrid seeds have improved in root distribution \nand functional stay-green, and that yield in drought conditions has increased. The same \ntypes of qualities are shown in Optimum Aquamax Hybrid seeds, which are one of the \nhybrid seeds released by Pioneer Hi-Bred in 2011. This hybrid showed a five percent increase \nin the average yield. As a result, crop yields were shown to increase with the use \nof drought tolerant hybrid seeds. \nThis Professional Science Masters (PSM) Internship was performed in the areas \nof research of corn and trial management. The main focus of the PSM Intern was on \ncollecting and organizing the data from the fields and on gaining knowledge of how agricultural \nresearch projects are conducted by industry.

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Due to drought stress, there is a significant amount of loss in corn yield \ncaused by weather changes such as rising temperatures and the decrease of rainfall. With \nthe help of new genetic tools, improvements in conventional crop yields have shown \nsome success over the past several decades. Researchers have found that the native corn \ngenes allow drought tolerance by comparing populations and parent lines in the drought \nenvironment. A managed stress environment (MSE) plays an important role by providing \nthe researchers an ideal place to manage the heat stress and irrigation water amount. This, \nin turn helps, to validate candidate regions and genes by conducting massively parallel \ntranscript profiling studies. This type of study was performed in the field of research of \ndrought tolerant corn and project management, which focused on data collection from the \nfield. This research took place in Woodland, California, with a climate known to be droughtstricken. \nIt was concluded that modern hybrid seeds have improved in root distribution \nand functional stay-green, and that yield in drought conditions has increased. The same \ntypes of qualities are shown in Optimum Aquamax Hybrid seeds, which are one of the \nhybrid seeds released by Pioneer Hi-Bred in 2011. This hybrid showed a five percent increase \nin the average yield. As a result, crop yields were shown to increase with the use \nof drought tolerant hybrid seeds. \nThis Professional Science Masters (PSM) Internship was performed in the areas \nof research of corn and trial management. The main focus of the PSM Intern was on \ncollecting and organizing the data from the fields and on gaining knowledge of how agricultural \nresearch projects are conducted by industry.

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Available abstract

Due to drought stress, there is a significant amount of loss in corn yield \ncaused by weather changes such as rising temperatures and the decrease of rainfall. With \nthe help of new genetic tools, improvements in conventional crop yields have shown \nsome success over the past several decades. Researchers have found that the native corn \ngenes allow drought tolerance by comparing populations and parent lines in the drought \nenvironment. A managed stress environment (MSE) plays an important role by providing \nthe researchers an ideal place to manage the heat stress and irrigation water amount. This, \nin turn helps, to validate candidate regions and genes by conducting massively parallel \ntranscript profiling studies. This type of study was performed in the field of research of \ndrought tolerant corn and project management, which focused on data collection from the \nfield. This research took place in Woodland, California, with a climate known to be droughtstricken. \nIt was concluded that modern hybrid seeds have improved in root distribution \nand functional stay-green, and that yield in drought conditions has increased. The same \ntypes of qualities are shown in Optimum Aquamax Hybrid seeds, which are one of the \nhybrid seeds released by Pioneer Hi-Bred in 2011. This hybrid showed a five percent increase \nin the average yield. As a result, crop yields were shown to increase with the use \nof drought tolerant hybrid seeds. \nThis Professional Science Masters (PSM) Internship was performed in the areas \nof research of corn and trial management. The main focus of the PSM Intern was on \ncollecting and organizing the data from the fields and on gaining knowledge of how agricultural \nresearch projects are conducted by industry.

Key concepts: Drought tolerance, Zea mays, Agronomy, Drought resistance, Productivity, Biology, Environmental science, Economics

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