Publication Date
1985
Location
Kyoto Japan
Description
In order to study the production potential of vernalized, leafy grass, vernalized cultivars of Lolium perenne were grown at different photoperiods and compared with non-vernalized plants. After vernalization stem elongation was greatly accelerated by long days and occurred later in later-heading cultivars. Late cultivars hardly showed any stem elongation in short days, if at all. Total dry-matter production (herbage above 5 cm + stubble + roots) of stemmy and leafy vernalized grass was much higher than that of non-vernalized grass. The stemmy crops allocated much dry matter in herbage and little in stubble, roots and tillers, whereas the leafy vernalized crops produced more stubble, roots and tillers. Herbage production of these crops was equal to or somewhat better than that of leafy non-vernalized grass. If future research confirms that this production stimulus of leafy vernalized grass can be exploited, grassland husbandry can aim for high production of leafy herbage in spring.
Citation
Deinum, B, "Effect of Vernalization and Stem Elongation on Production Physiology of Lolium perenne" (1985). IGC Proceedings (1985-2023). 22.
(URL: https://uknowledge.uky.edu/igc/1985/ses3/22)
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Effect of Vernalization and Stem Elongation on Production Physiology of Lolium perenne
Kyoto Japan
In order to study the production potential of vernalized, leafy grass, vernalized cultivars of Lolium perenne were grown at different photoperiods and compared with non-vernalized plants. After vernalization stem elongation was greatly accelerated by long days and occurred later in later-heading cultivars. Late cultivars hardly showed any stem elongation in short days, if at all. Total dry-matter production (herbage above 5 cm + stubble + roots) of stemmy and leafy vernalized grass was much higher than that of non-vernalized grass. The stemmy crops allocated much dry matter in herbage and little in stubble, roots and tillers, whereas the leafy vernalized crops produced more stubble, roots and tillers. Herbage production of these crops was equal to or somewhat better than that of leafy non-vernalized grass. If future research confirms that this production stimulus of leafy vernalized grass can be exploited, grassland husbandry can aim for high production of leafy herbage in spring.
