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Measurement of summer dormancy in temperate perennial pasture grasses Inra
Norton, M.R.; Lelièvre, F.; Fukai, S.; Volaire, F..
The search to improve drought survival in temperate perennial grasses has led to a renewed interest in summer dormancy andhowto quantify it. This endogenously controlled trait, found in some temperate perennial grasses, is associated with drought that normally occurs in summer. While cessation of leaf growth and senescence of herbage occurs in all grasses in response to drought, it is under summer irrigation that these same responses are observed only in summer-dormant germplasm and hence the trait can be identi.ed in germplasm. Across the spectrum from completely summer-dormant to non-dormant, there is a range of expression. Our objective here is to highlight differences in characteristics of indices which measure summer dormancy and to identify aspects...
Tipo: Journal Article Palavras-chave: DORMANCE ESTIVALE; GRAMINEE FOURRAGERE PERENNE; COMPORTEMENT ESTIVAL DROUGHT RESISTANCE; COOL-SEASON GRASSES; ORCHARD GRASS; LOLIUM ARUNDINACEUM; HARDINGGRASS.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010556c5fc1&uri=/notices/prodinra1/2010/02/
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