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Evaluation Of Low Phytic Acid Maize Germplasm Adapted To The Delmarva Peninsula
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Book Synopsis Evaluation of Low Phytic Acid Maize Germplasm Adapted to the Delmarva Peninsula by : Adrienne Kleintop
Download or read book Evaluation of Low Phytic Acid Maize Germplasm Adapted to the Delmarva Peninsula written by Adrienne Kleintop and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this project is to develop high yielding low phytic acid maize specifically adapted to the Delmarva Peninsula. The majority of the phosphorus in grain is in the chemical form of phytic acid. Phytic acid cannot be digested by monogastric animals such as poultry and swine. Consequently, most of the phytic acid is excreted into the environment posing a serious environmental threat to waterways. Breeding and commercialization of low phytic acid maize hybrids using the low phytic acid 1 (lpa1-1) trait could potentially alleviate the serious environmental and nutritional effects of phytic acid. However, in-depth evaluations on potential negative effects of lpa1-1 on yield and other agronomic traits are critical to determining the commercial feasibility of the trait. The objectives of this project aimed to (1) Determine the effects of lpa1 on the 100 kernel seed dry weight and starch, protein, and oil content (2) Evaluate the effect of lpa1 on yield, agronomic traits, and plant growth and development of near-isogenic inbred lines and hybrids over multiple years and locations and (3) Screen exotic germplasm collections for new sources of low phytic acid loci or alleles. The results suggest that the 100 kernel seed dry weight and kernel composition were unaffected by lpa1 and are unlikely to influence the yield. However, negative pleiotropic effects on the yield and plant growth and development were observed for lpa1/lpa1. Overall, the yield decrease between lpa1/lpa1 and +/+ ranged from 0.4 to 7.9% by hybrid. The yield decrease was more exaggerated under stressful weather conditions and the extent of the decrease varied by background. One particular hybrid was identified in which the yield decrease was minimized and is recommended for future breeding. It is theorized that the negative effects on yield result from the cumulative negative pleiotropic effects on vigor and development. Plants homozygous for lpa1 may exist in a weakened state and suffer more cellular damage as a result of the disruption of phytic acid's antioxidant function. Screening of exotic germplasm has identified one potential new low phytic acid source with the potential for future research.
Book Synopsis Bean Production Problems by : Centro Internacional de Agricultura Tropical
Download or read book Bean Production Problems written by Centro Internacional de Agricultura Tropical and published by Agribookstore/Winrock. This book was released on 1980 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climate Change, Biodiversity and Sustainability in the Americas by : Francisco Dallmeier
Download or read book Climate Change, Biodiversity and Sustainability in the Americas written by Francisco Dallmeier and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book compiles the latest research on the effects of climate change on biodiversity in the Americas and the sustainability efforts being made to preserve the ecological integrity of these regions. Scientists working in Canada, Puerto Rico, Argentina, the USA, Mexico, Panama, and Costa Rica contribute their findings in such varied areas as avian populations, the impacts of climate extremes on biodiversity, carbon storage in tree plantations, and the relationship between precipitation and vegetation. The changing climate and human activity are affecting ecosystems throughout the Americas. Governments, NGOs, industries, and communities need to learn about these changes in order to adapt their planning, infrastructure, and operations to mitigate the loss of biodiversity.
Book Synopsis The Common Bean Genome by : Marcelino Pérez de la Vega
Download or read book The Common Bean Genome written by Marcelino Pérez de la Vega and published by Springer. This book was released on 2017-12-20 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides insights into the genetics and the latest advances in genomics research on the common bean, offering a timely overview of topics that are pertinent for future developments in legume genomics. The common bean (Phaseolus vulgaris L.) is the most important grain legume crop for food consumption worldwide, as well as a model for legume research, and the availability of the genome sequence has completely changed the paradigm of the ongoing research on the species. Key topics covered include the numerous genetic and genomic resources, available tools, the identified genes and quantitative trait locus (QTL) identified, and there is a particular emphasis on domestication. It is a valuable resource for students and researchers interested in the genetics and genomics of the common bean and legumes in general.
Book Synopsis Pulse Improvement by : Shabir Hussain Wani
Download or read book Pulse Improvement written by Shabir Hussain Wani and published by Springer. This book was released on 2018-11-23 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in molecular biology and genome research in the form of molecular breeding and genetic engineering put forward innovative prospects for improving productivity of many pulses crops. Pathways have been discovered, which include regulatory elements that modulate stress responses (e.g., transcription factors and protein kinases) and functional genes, which guard the cells (e.g., enzymes for generating protective metabolites and proteins). In addition, numerous quantitative trait loci (QTLs) associated with elevated stress tolerance have been cloned, resulting in the detection of critical genes for stress tolerance. Together these networks can be used to enhance stress tolerance in pulses. This book summarizes recent advances in pulse research for increasing productivity, improving biotic and abiotic stress tolerance, and enhancing nutritional quality.
Book Synopsis Rural Women's Health by : Beverly Leipert
Download or read book Rural Women's Health written by Beverly Leipert and published by University of Toronto Press. This book was released on 2012-09-17 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: The well-being of rural communities affects the well-being of those who reside in towns and cities because of rural-urban connections through food, drinking water, infectious disease, extreme environmental events, recreation, and for many, retirement residence. In rural areas themselves, women play a critical role in the health of their families and communities, yet women’s health is often marginalized or ignored. There have been limited studies to date about rural women and health in Canada. Filling an important gap in scholarship, this collection identifies priority issues that must be addressed to ensure these women’s well-being and offers innovative theoretical and methodological ideas for improvement. Rural Women’s Health integrates perspectives from rural practitioners, residents, and scholars in a variety of fields, including nursing, sociology, anthropology, and geography, to tackle issues relevant to diverse settings across the country. As such, it presents a national perspective on the nature of women’s health while respecting internal and regional diversity, as well as viewpoints from international scholarship.
