Full TGIF Record # 72028
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2000.00228.x/epdf
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Publication Type:
i
Refereed
Author(s):Bahmani, I.; Varlet-Grancher, C.; Hazard, L.; Matthew, C.; Betin, M.; Langlais, A.; Lemaire, G.; Thom, E. R.
Author Affiliation:Bahmani, Varlet-Grancher, and Lemaire: INRA, Ecophysiologie des Plantes Fourragères, Lusignan, France; Hazard, Betin, and Langlais: INRA, Amélioration des Plantes Fourragères, Lusignan, France; Matthew: Institute of Natural Resources, Massey University, Palmerston North, New Zealand; and Thom: Dairying Research Corporation, Hamilton, New Zealand
Title:Post-flowering tillering in contrasting light environments of two New Zealand perennial ryegrass cultivars with different perennation strategies
Section:Research note
Other records with the "Research note" Section
Source:Grass and Forage Science. Vol. 55, No. 4, December 2000, p. 367-371.
# of Pages:5
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Tillers (vegetative); Lolium perenne; Far red light; Light intensity; Inflorescences; Shading; Dry weight; Tillering rate; Plant development; Flowering; Grazing
Cultivar Names:Ellett; Grasslands Ruanui
Abstract/Contents:"Post-flowering tillering responses of 'Ellett' and 'Grasslands Ruanui' perennial ryegrass (Lolium perenne L.) cultivars after influorescence production were studied at INRA, Lusignan in France, at near ambient light (absence of light competition, control treatment) and under shading (Low-light intensity and low red-far red ratio). A dense sward containing influorescence bearing plants of both perennial ryegrass cultivars at ambient light was cut to a height of 50 mm above ground level after which the light treatments were imposed. Forty-five days later, data were collected on the number of tillers per plant, the number of new tillers per original tiller and the dry weight of vegetative and reproductive tillers. Regardless of light treatment, cv. 'Ellett' had fewer tillers per plant, higher weight per tiller and a higher proportion of reproductive tillers than did cv. 'Grasslands Ruanui'. Number of tillers per plant and and number of new tillers per tiller were consistently reduced under shade compared with the control treatment for both cultivars. When shaded, weight of reproductive tillers of cvs 'Ellett' and 'Grasslands Ruanui' were 40% and 43%, respectively, less than the control, whereas vegetative tiller weight did not change. In addition, differences between cultivars in the tillering strategy after flowering seem to be unaffected by the light environment. Thus, field observations regarding tillering of cvs 'Ellett' and 'Grasslands Ruanui' were consistent with current results suggesting different grazing managements are needed after flowering to optimize the replacement of tillers for both cultivars."
Language:English
References:17
Note:Tables
Graphs
Geographic Terms:New Zealand
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bahmani, I., C. Varlet-Grancher, L. Hazard, C. Matthew, M. Betin, A. Langlais, et al. 2000. Post-flowering tillering in contrasting light environments of two New Zealand perennial ryegrass cultivars with different perennation strategies. Grass Forage Sci. 55(4):p. 367-371.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2000.00228.x/epdf
    Last checked: 10/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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