Full TGIF Record # 237613
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Author(s):Li, De-zhi; Takahashi, Shigeo; Zhu, Ting-cheng
Author Affiliation:Li: East China Normal University, Shanghai; Zhu: Institute of Grassland Science, Northeast Normal University, Changchun, China; Takahashi: National Agricultural Research Center for Tohoku Region, Morioka Iwate, Japan
Title:Effects of clonal connection and segmentation on the primary stolons of Zoysia japonica in environments with heterogeneous soil nitrogen resources
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 15, No. 6, December 20 2006, p. 115-123.
# of Pages:9
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Abstract/Contents:"An experimental study was conducted to examine the effects of physiological integration of Zoysia japonica clones in heterogeneous soil environments. Z. japonica clones which had undergone interconnection and disconnection treatments grew in four types of habitats whose overall soil nitrogen levels showed a gradient. The results showed that the average multiple-nodes number, average stolon lengths, and biomasses of Zoysia clones did not show a gradient in the intact treatments. Internode disconnection decreased these indices significantly. Average root biomasses in tubes of infertile soil were consistently greater than those in tubes of fertile soil and root/shoot ratios showed the same trends, which revealed a difference from other typical clonal plant species. In intact treatments, soil nitrogen promoted internode elongation, specific internode length, and also the formation of tillers. Internode disconnection greatly decreased further internode elongation but increased specific internode length. Maintaining clonal integration and avoiding serious disturbance seem to be important, especially in the earlier growth stages."
Note:Abstract also appears in Chinese
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Li, D.-z., S. Takahashi, and T.-c. Zhu. 2006. Effects of clonal connection and segmentation on the primary stolons of Zoysia japonica in environments with heterogeneous soil nitrogen resources. [Caoye Xuebao] [Acta Prataculturae Sinica]. 15(6):p. 115-123.
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