EFFECTS OF WATER STRESS ON GERMINATION OF PINUS NIGRA ARNOLD. SEEDS

被引：0

作者：

Topacoglu, Osman ^{[1
]}

Sevik, Hakan ^{[2
]}

Akkuzu, Erol ^{[3
]}

机构：

[1] Kastamonu Univ, Dept Silviculture, Fac Forestry, TR-37150 Kastamonu, Turkey

[2] Kastamonu Univ, Dept Environm Engn, Fac Engn & Architecture, TR-37150 Kastamonu, Turkey

[3] Kastamonu Univ, Dept Forest Entomol & Conservat, Fac Forestry, TR-37150 Kastamonu, Turkey

来源：

PAKISTAN JOURNAL OF BOTANY | 2016年 / 48卷 / 02期

关键词：

Black pine; Pinus nigra Arnold; Water stress; PEG; OSMOTIC-STRESS; POLYETHYLENE-GLYCOL; DROUGHT TOLERANCE; SEEDLING GROWTH; 6; PROVENANCES; L; NACL; HALEPENSIS; MANNITOL; SALT;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Climate change, global warming and the deterioration of related environmental conditions cause an important problem for forest tree species. For this reason, it is necessary to determine the response of trees to these conditions. The objective of this study was to investigate the effects of water stress on seed germination of fifteen Pinus nigra Arnold. provenances in Turkey. For this purpose, the water stresses between 0 and -8.0 bars were obtained using polyethylene glycol-6000 (PEG) solutions. Seeds were kept for 35 days at 20 +/- 0.5 degrees C. In this study, significant variations between the provenances were found. Ankara Uluhan (% 95, 08) and Isparta Tota (% 85, 41) provenances at -8.0 bars having the highest cumulative germination percentages were the most resistant provenances against the water stress. This study has shown that the water stress reduced the germination speed, germination percentage and germination value.

引用

页码：447 / 453

页数：7

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