Effect of pre-germination treatments on seed physiology and germination of central Himalayan oaks?

被引:3
|
作者
Purohit V.K. [1 ,2 ]
Palni L.M.S. [1 ]
Nandi S.K. [1 ]
机构
[1] G.B. Pant Institute of Himalayan Environment and Development, Kosi, Katarmal, Almora
[2] High Altitude Plant Physiology Research Centre, H.N.B. Garhwal University, Srinagar Garhwal
关键词
Central Himalayan oaks; Germination; Presoaking treatments; Q; leucotrichophora; Quercus glauca; Seeds;
D O I
10.1007/s12298-009-0036-4
中图分类号
学科分类号
摘要
The continuous decline in regeneration of two important species of central Himalayan oak, namely Quercus glauca and Q. leucotrichophora, is of great concern. A study was therefore, carried out to improve germination ability of these species using various presoaking treatments. Seeds of both the species lost viability following storage; tetrazolium staining pattern and germination capacity of seeds following different period of storage at 4 °C and 20 °C indicated retainment of viability for a period of 12 months at 4 °C. Of the various physical, chemical and plant growth regulator treatments examined to improve seed germination, only KNO3 1. 0 % was found to be effective. Seeds scarified at the chalazal end exhibited significant improvement in germination in both the species (94.4 % compared to 56.7 % in control in Q. glauca and 82.7 % compared to 64.0 % in control in Q. leucotrichophora). The results of this study impart simple methods to improve seed germination for developing nurseries for commercial purposes. © 2009 Prof. H.S. Srivastava Foundation for Science and Society.
引用
收藏
页码:319 / 326
页数:7
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