Breeding for Nitrogen Use Efficiency in Soft Red Winter Wheat PDF Download
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Author: Katlyn L. Hitz
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Author: Katlyn L. Hitz
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Author: Sonia Guadalupe Morales Osegueda
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Author: Nathaniel D. Dorsey
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Category :
Languages : en
Pages :
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Increasing nitrogen use efficiency (NUE) and nitrogen response in winter wheat could help producers reduce input costs associated with nitrogen fertilizers and decrease the negative environmental impacts of N loss. The objectives of this research were to i) establish if there are genetic differences in NUE and other related parameters among wheat varieties commonly grown in the Great Plains, ii) determine if there are differences in N response among select varieties with a range of NUEs, and iii) determine if NUE influences N response. This information could be useful in future breeding efforts as researchers seek to develop more efficient varieties. This was approached by conducting two separate studies, a large NUE study with 25 winter wheat varieties, and a smaller N Rate study with 4 varieties that represented a range of NUEs based on the preliminary results of the NUE study. The NUE study was conducted over the course of several seasons and locations, with treatments of consisting of N Rate and variety. The experiment was laid out in a strip-plot design and replicated four times at each location. In the 2010-11 and 2011-12 seasons it was planted at the Kansas River Valley Experiment Field in Rossville, KS. In the 2012-13 season the experiment was planted at two locations, one at Silverlake and another at Ashland Bottoms, KS. The experiment was again planted at two locations in the fall of 2013, in Ashland Bottoms, KS, and Hutchinson, KS. The wheat varieties were grown with two N rates, 0 kg N ha−1 and 90 kg N ha−1. Nitrogen use efficiency was calculated as the grain yield per unit of available nitrogen (sum of soil N and fertilizer N) and ranged from 22-30 kg of grain per kg of N and was strongly influenced by variety with a p
Author: Julie C. Dawson
Publisher:
ISBN:
Category : Crops and nitrogen
Languages : en
Pages : 313
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Category :
Languages : en
Pages :
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Author: M. P. Reynolds
Publisher: CIMMYT
ISBN: 9706480773
Category : Physiology
Languages : en
Pages : 246
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Author: Malcolm J. Hawkesford
Publisher: John Wiley & Sons
ISBN: 081381992X
Category : Technology & Engineering
Languages : en
Pages : 512
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Efforts to increase efficient nutrient use by crops are of growing importance as the global demand for food, fibre and fuel increases and competition for resources intensifies. The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops provides both a timely summary of the latest advances in the field as well as anticipating directions for future research. The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops bridges the gap between agronomic practice and molecular biology by linking underpinning molecular mechanisms to the physiological and agronomic aspects of crop yield. These chapters provide an understanding of molecular and physiological mechanisms that will allow researchers to continue to target and improve complex traits for crop improvement. Written by leading international researchers, The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops will be an essential resource for the crop science community for years to come. Special Features: coalesces current knowledge in the areas of efficient acquisition and utilization of nutrients by crop plants with emphasis on modern developments addresses future directions in crop nutrition in the light of changing climate patterns including temperature and water availability bridges the gap between traditional agronomy and molecular biology with focus on underpinning molecular mechanisms and their effects on crop yield includes contributions from a leading team of global experts in both research and practical settings
Author: Maria Paula Castellari
Publisher:
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Category :
Languages : en
Pages : 0
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Author: J. P. Cohan
Publisher:
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Category :
Languages : en
Pages : 32
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Author: Jules Janick
Publisher: John Wiley & Sons
ISBN: 1119279690
Category : Science
Languages : en
Pages : 388
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Book Description
Plant Breeding Reviews presents state-of-the-art reviews on plant genetics and the breeding of all types of crops by both traditional means and molecular methods. Many of the crops widely grown today stem from a very narrow genetic base; understanding and preserving crop genetic resources is vital to the security of food systems worldwide. The emphasis of the series is on methodology, a fundamental understanding of crop genetics, and applications to major crops.
