evaluation of nonlinear regression models to quantify barley germination rate response to temperature and water potential
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using nonlinear regression models to quantify germination response of annual savory to temperature and water potential
this study was conducted to quantify germination response of annual savory (satureja hortensis l.) to temperature and water potential. for this purpose, seeds were exposed to different temperature (12, 15, 20, 25, 30, 35, 37 and 40°c) and water potential (zero, -0.1, -0.3, -0.5 and -0.7 mpa) treatments in seed research lab., gorgan university of agricultural sciences and natural resources in 20...
متن کاملquantify wheat germination rate response to temperature and water potential
it is very important to find the best model to quantify seed germination rate on the response of temperature which it can be used in determination of cardinal temperatures. this study was conducted to evaluation nonlinear regressions models for description wheat (cv. morvarid) germination rate response to temperatures and water potentials. therefore, seeds germination rate were evaluated in tem...
متن کاملquantifying of germination rate response to temperature of three sunflower varieties using nonlinear regression models
background and objectives: germination and seedling establishment are two critical and important stages during plants growing season. from seed technology viewpoint, germination refers to emergence and development from seed embryo, so that could produce normal seedling. many studies have been done to determine germination cardinal temperatures and required thermal time for emergence occurrence...
متن کاملComparison of time to the event and nonlinear regression models in the analysis of germination data
Extended abstract Introduction: Numerous studies are being carried out to reveal the effects of different treatments on the germination of seeds from various plants. The most commonly used method of analysis is the nonlinear regression which estimates germination parameters. Although the nonlinear regression has been performed based on different models, some serious problems in its structure...
متن کاملusing multiplicative models to quantify stem elongation rate in response to temperature and photoperiod a case study on zagros cultivar
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متن کاملPredicting germination response to temperature. I. Cardinal-temperature models and subpopulation-specific regression.
BACKGROUND AND AIMS The purpose of this study was to compare the relative accuracy of different thermal-germination models in predicting germination-time under constant-temperature conditions. Of specific interest was the assessment of shape assumptions associated with the cardinal-temperature germination model and probit distribution often used to distribute thermal coefficients among seed sub...
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عنوان ژورنال:
تولید گیاهان زراعیجلد ۷، شماره ۴، صفحات ۴۰-۲۳
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