Present Status of Research to Develop Useful Semidwarf Oat Germplasm
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Lodging of oats (Avena sativa L.) is likely to cause severe grain yield losses in humid regions when the crop is grown at high levels of nitrogen (N). Even when conservative amounts of N fertilizer are applied to an oat crop in the Northeastern USA, lodging may be severe because manure is regularly applied to most fields, legumes are used in most crop rotations, and high levels of N fertilizer are applied to the corn grown in most rotations. Several modern, conventional height cultivars possess good lodging resistance, but additional improvement in that trait is needed to consistently prevent lodging when oats are grown under high levels of fertilizer in an intensive management system.
KeywordsHarvest Index Germplasm Line Lodging Resistance Short Plant Height Semi Dwarf Plant
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