Abstract
Effect of Temperature and Light on Germination Characteristics of Japanese Morning Glory (Ipomoea nil): Determination of Cardinal Temperatures of Germination
Highlights
In recent years, Japanese morning glory has been recognized as a new weed in some soybean cultivation areas in the Province of Golestan
In this study, we examined the aspects of germination biology of this weed under the influence of temperature and light
It was found that light had no significant effect on the germination of this weed
Summary
Japanese morning glory has been recognized as a new weed in some soybean cultivation areas in the Province of Golestan. An annual herbaceous plant, belongs to Convolvulaceae family. Germination is the first step in the competitiveness of a weed in an ecological niche. Among the factors influencing seed germination, temperature and light are the most important environmental factors. The relationship between temperature and germination rate is mainly determined by nonlinear regression, and various models such as dent-like, segmented, beta, and second-order major models are used for this purpose. We examined the aspects of germination biology of this weed under the influence of temperature and light
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