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Prediction of Sorghum halepense (L.) Pers. rhizome sprout emergence in relation to air temperature (1985)

SATORRE, E. H. ; GHERSA, C. M. ; PATARO, A. M.

Oxford, UK : Blackwell Publishing Ltd

Weed research 25 (1985), S. 0

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ISSN: 1365-3180

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: The dynamics of Sorghum helpense (L.) Pers. rhizome sprout emergence was followed in three different crop systems. A simple exponential model relating the number of rhizome sprouts m−2 to accumulated thermal units, calculated as the sum of the daily mean air temperatures above 15°C, provided a good estimate of cumulative shoot emergence populations (r2= 0·93) over all sampling dates between June and January. A good description of the dynamics of shoot emergence in an independent experiment was obtained from the model.The possible influence of the crop structure and soil water supply in relation to the model fitness is discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-3180.1985.tb00624.x

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