Paper Information

Journal:   JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)   WINTER 2017 , Volume 30 , Number 4 #P0095; Page(s) 643 To 650.
 
Paper: 

DETERMINATION OF CARDINAL TEMPERATURES AND GERMINATION RESPOND TO DIFFERENT TEMPERATURE FOR FIVE LAWNS CULTIVARS

 
 
Author(s):  KHAVARI H., GOLDANI M.*, KHAJEHOSSAINI M., SHOUR M.
 
* COLLEGE OF AGRICULTURE, FERDOWSI UNIVERSITY OF MASHHAD
 
Abstract: 

Introduction: Germination of every plant species respond to temperature variation in particular way. Germination is critical stage in plant life cycle. Seed germination is a complex biological process that is influenced by various environmental and genetic factors. The effects of temperature on plant development are the basis for models used to predict the timing of germination. Estimation of the cardinal temperatures, including base, optimum, and maximum, is essential because rate of development increases between base and optimum, decreases between optimum and maximum, and ceases above the maximum and below the base temperatures. Usually, a linear increase in germination rate is associated with an increase in temperature from base temperature (Tb) to an optimum. An increase of temperature from the optimum will reduce the germination rate to zero. To determine the best planting date for plants, it is necessary to find the base (Tb), optimum (To) and maximum temperatures (Tc) for seed germination. These are known as cardinal temperatures. Modelling of seed germination is considered an effective approach to determining cardinal temperatures for most plant species…

 
Keyword(s): CARDINAL TEMPERATURES (MAX, OPT AND MIN), LAWNS CULTIVARS, SEEDLING VIGOR
 
References: 
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