|Title:||仙草優良品系區域適應性試驗||Other Titles:||Regional Adaptability Trials of Elite Hsiantsao Strains (Mesona procumbens Hemsi)||Authors:||胡敏夫
|Keywords:||仙草;環境指標估值;穩定性分析;Hsian-tsao;Estimated value of environmental index;Stability analysis||Issue Date:||Aug-1997||Publisher:||農業試驗所||Related Publication(s):||農業試驗所特刊第74號||Start page/Pages:||211-226||Source:||1997特用作物試驗成果研討會專刊||Conference:||1997特用作物試驗成果研討會
Proceedings of A Symposium on the Experimental Results of Special Crops 1997
Two promising Hsain-taso strains,78-S-1 and 78-T-1 selected at TART, was planting at 5 locations in northern, central and southern parts of Taiwan in 1994 and 1995,to investigate the effects of climatic factors on plant growth ,performance of agronomic characteristics ,gel formation strength ,and yield stability of Hsian-tsao. The results found that precipitation played a more important role for the growth of I-lsain-tsao than air temperature and sunshine duration factors. Both 78-S-i and 78-T-i strains planted at Shui-Shang and Taichung had higher average dry-plant yield and dry-leaf yields per hectare than those of grown at other locations,however,TYY3 and TYY4 strains performanced the best in both characters at Tao-Yuan and Hsin-Chu. Results showed that TYY3 strain had higher gel formation strength at any location following by 78-T-i and 78-S-i strains with TYY4 strain the lowest. Results from combined analysis of variance on the performances of average dry-plant yield,average dry-leaf yield and average gel formation strength found that main effect of location and interaction effects among three strains with locations were significant at 1% level on the performances of three characters as well as average dry-leaf yield and average gel formation strength among three strains. Results from estimating environmental index and found that the best location for growing Hsain-tsao plants was at ShuiShang with Miao-Li the worst. Results from analyzing yield stabilities showed that TYY3 strain was more stable in average dry-plant yield and average dry-leaf yield than 78-S-i and 78-T-i strains. Strain 78-T-i has higher potential in average dry-plant yield than TYY3 in good environment, while 78-S-i strain with stable but low dry-leaf yield was good but unstable in average dry-plant yield. Results from comparing stability of average gel formation strength among three Hsain-tsao strains found that 78-T-i strain was more stable, while TYY3 strain was unstable with the best gel formation strength.
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