2008
DOI: 10.1590/s0103-90162008000700004
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Estimating leaf wetness duration over turfgrass, and in a 'Niagara Rosada' vineyard, in a subtropical environment

Abstract: Leaf wetness duration (LWD) is a key parameter in agrometeorology because it is related to plant disease occurrence. As LWD is seldomly measured in a standard weather station it must be estimated to run warning systems for schedule chemical disease control. The objective of the present study was to estimate LWD over turfgrass considering different models with data from a standard weather station, and to evaluate the correlation between estimated LWD over turfgrass and LWD measured in a 'Niagara Rosada' vineyar… Show more

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Cited by 4 publications
(1 citation statement)
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“…Leaf wetness duration (LWD) was estimated from 30 min air temperature (T a ) and relative humidity (RH) measurements using the dew‐point depression approach as described in Sentelhas et al. (2008), using 2°C as the dew onset temperature and 3.8°C as the dew dry‐off temperature (Lulu et al. 2008).…”
Section: Methodsmentioning
confidence: 99%
“…Leaf wetness duration (LWD) was estimated from 30 min air temperature (T a ) and relative humidity (RH) measurements using the dew‐point depression approach as described in Sentelhas et al. (2008), using 2°C as the dew onset temperature and 3.8°C as the dew dry‐off temperature (Lulu et al. 2008).…”
Section: Methodsmentioning
confidence: 99%