Dormancy breaking in Cotinus coggygria Scop. seeds of three provenances

被引:0
作者
Guner, S. [1 ]
Tilki, F. [1 ]
机构
[1] Artvin Coruh Univ, Fac Forestry, TR-08000 Artvin, Turkey
来源
SCIENTIFIC RESEARCH AND ESSAYS | 2009年 / 4卷 / 02期
关键词
Common smoketree; scarification; seed dormancy; seed germination; stratification; GERMINATION; TEMPERATURE; STRATIFICATION; PRETREATMENTS;
D O I
暂无
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
With the objective of studying the effect of pretreatments involving sulfuric acid scarification, cold moist stratification, and scarification followed by stratification on germination of Cotinus coggygria Scop. seeds of different provenances, fruits were collected in three provenances from Artvin, Turkey. Sulfuric acid was not found an effective scarifying agent for breaking seed coat dormancy in C. coggygria seeds. Germination percentage and germination rate increased significantly with increasing stratification duration (30 to 120 days), with optimum at 120 days for all seed provenances. When averaged over all provenances, cold stratification for 3 months resulted higher germination percentage (GP = 72.3%) and germination rate (PV = 8.2) than that of scarification. Also, germination response for different scarification and stratification treatments revealed a significant difference on germination of the provenances. Seeds scarified with sulfuric acid followed by cold moist stratification showed significant improvement for germination performance. Highest improvement observed under scarification (20 - 40 min) followed by stratification (30 or 60 days) treatments (GP > 90%; PV > 16), and seeds from three provenances exhibited uniformity in response.
引用
收藏
页码:73 / 77
页数:5
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