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Web URL(s): | http://cykx.lzu.edu.cn//EN/article/downloadArticleFile.do?attachType=PDF&id=8708 Last checked: 03/04/2014 Requires: PDF Reader http://cykx.lzu.edu.cn//EN/abstract/abstract8708.shtml Last checked: 03/04/2014 Notes: Guide page with English abstract |
Publication Type:
| Report |
Author(s): | Wang, Wen-en;
Bao, Man-zhu;
Zhang, Jun-wei |
Author Affiliation: | College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China |
Title: | The effect of 60Co-γ irradiation on dry seeds of Zoysia japonica |
Source: | [Caoye Kexue] [Pratacultural Science]. Vol. 26, No. 5, May 15 2009, p. 155-160. |
Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Ke Xue" Bian Jibu] |
# of Pages: | 6 |
Abstract/Contents: | "The dry seeds of Zoysia japonica were irradiated by 60Co-γ ray at dosage of 25~500 Gy. The germination of seeds and growth of seedlings were investigated both in laboratory and field. The results indicated that irradiation of low dosage could promote seed germination and increase germination rate. But the germination rate decreased with the increasing of irradiation dosage, the critical dosage (dosage rate was 1.0 Gy/min) is 450 Gy; the critical dosage for field germination rate was 250 Gy, when the dosage below the critical was applied, the field germination rate increased with the increasing of the irradiation dosage, and decreased when the dose was over the critical; significant difference (P<0.05) observed in taproot and seedling growth when the dry seeds were irradiated at different dosage; the length of taproot, height and fresh weight of seedling were all promoted firstly and declined later, their critical dosage was 400 Gy, 300 Gy and 250 Gy, respectively. The half lethal dosage of Z. japonica dry seeds was 480 Gy based on correlated broken line graph between irradiation dosage and relative germination rate." |
Language: | Chinese |
References: | 22 |
Note: | Abstract also appears in English "Sum No. 190" Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Wang, W.-e., M.-z. Bao, and J.-w. Zhang. 2009. The effect of 60Co-γ irradiation on dry seeds of Zoysia japonica. (In Chinese) [Caoye Kexue] [Pratacultural Science]. 26(5):p. 155-160. |
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| Web URL(s): http://cykx.lzu.edu.cn//EN/article/downloadArticleFile.do?attachType=PDF&id=8708 Last checked: 03/04/2014 Requires: PDF Reader http://cykx.lzu.edu.cn//EN/abstract/abstract8708.shtml Last checked: 03/04/2014 Notes: Guide page with English abstract |
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