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34 results on '"Wheat--Varieties"'

9. Achieving Sustainable Cultivation of Wheat Volume 2 : Cultivation Techniques

Author

Peter Langridge and Peter Langridge

Subjects
Wheat--Varieties, Wheat--Growth, Wheat--Breeding, Wheat--Diseases and pests
Abstract

Wheat is the most widely cultivated cereal in the world and a staple food for around 3 billion people. It has been estimated that demand for wheat could increase by up to 60% by 2050. There is an urgent need to increase yields in the face of such challenges as climate change, threats from pests and diseases and the need to make cultivation more resource-efficient and sustainable. Drawing on an international range of expertise, this collection focuses on ways of improving the cultivation of wheat at each step in the value chain, from breeding to post-harvest storage. Volume 2 reviews research in improving cultivation techniques. Chapters in Part 1 review topics such as variety selection, seed and root growth, water and nutrient management. Part 2 goes on to discuss broader issues such as sustainable intensification and organic cultivation. The final part of the collection covers ways of improving wheat cultivation in the developing world. Achieving sustainable cultivation of wheat Volume 2: Cultivation techniques will be a standard reference for cereal scientists in universities, government and other research centres and companies involved in wheat cultivation. It is accompanied by Volume 1 which reviews breeding, quality traits, pests and diseases.

Published
2017

11. Early grain filling environment and pre-maturity α-amylase formation in UK winter wheat genotypes

Author

Tjin-Wong-Joe, Andro F. J.

Subjects
633.11233, Wheat--Breeding, Wheat--Varieties
Abstract

When the UK winter wheat variety Rialto produced unexpected low Hagberg falling numbers that could not be directly linked to sprouting, it was proposed that these reductions in quality could be due to PMAA. The problem was not identified during the selection and commercial development stages. In this project the hypothesis was tested that the variety Rialto is PMAA-susceptible. In addition, the effect of a previously proposed high temperature stimulus for PMAA followed by slow grain drying was assessed on plants grown in a controlled environment, throughout. This was done to eliminate any distorting effects the temperature history of plants grown in field or glasshouse had in previous studies. The identification of an effective and reliable PMAA stimulus could facilitate the development of a screening method for PMAA. Analysis was done on 13 year-location combinations of field grown Rialto. Together, visual and chemical assessments of sprouting and iso-electric focusing of α-amylase isozymes identified several samples with significant α-amylase activity in the apparent absence of sprouting. In addition, tests with α-amylase sensitive Phadebas gel revealed distinctive PMAA discoloration patterns in 10% to 44% of the grain from the 13 samples, leading to the conclusion that Rialto is PMAA-susceptible. Results from a controlled environment experiment confirmed the ability of a high temperature treatment to induce increased amylase production in the grain. However, the increase occurred in low humidity, considered to promote grain drying. Other results suggested that induction transpires during an earlier grain development stage than proposed in previous studies. Further work revealed the potential of a detached tiller technique to be used in a prospective fast and reliable screening method for PMAA.

Published
2004
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33. Selecting wheat varieties for Utah (February 1998, AG/Grains/04)

Author

Utah State University. Cooperative Extension Service, Whitesides, Ralph E., Clawson, Shyrl M., Hole, David J., Albrechtsen, Rulon S., Thompson, Val D., Utah State University. Cooperative Extension Service, Whitesides, Ralph E., Clawson, Shyrl M., Hole, David J., Albrechtsen, Rulon S., and Thompson, Val D.

Abstract

Variety selection should be one of the first essential considerations when a farmer elects to plant a small grain crop for reasons of economics or crop rotation. This publication is designed to assist in variety selection based on growing conditions, yield considerations, and crop quality.

Published
1998

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