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Effect of different pre-sowing treatments on seed germination percentage and growth performance of Acacia auriculiformis

引用

Journal of Forestry Research 2011年第2期22卷 183-188页

作者： md.Salim Azad Mizanur Rahman Manik md.shamin hasan md.Abdul Matin Forestry and Wood Technology Discipline Khulna University

Seed morphology,germination and seedlings growth of Acacia auriculiformis were *** experiment was conducted in the nursery of Forestry and Wood Technology Discipline,Khulna University,*** seeds of the species were collected from healthy trees of road side plantation from different areas of Khulna District,Bangladesh and treated with five pre-sowing treatments（control,immersion in cold water,immersion in hot water,scarification with sand paper and immersion in concentrated H2SO4）.The average length,breadth and thickness were found to be（0.58±0.017） cm,（0.44±0.007） cm and（0.20±0.089） cm,*** was conducted in polybags with a mixture of top soil,coconut husk,coarse sand,and fine sand in a ratio of 3：4：1：*** reveal that pre-sowing treatments influences the germination rates of seeds that significantly increase the percentage germination compared with those in control（43%） and cold water treatment（52%）.The highest germination success rate was found 83% in hot water treatment followed by 78% in scarification with sand paper,and 75% with immersion in *** started from 7 to 12 days and completed between 28 and 35 days period in all *** showed the significant difference（p0.05） among the treatments in seed germination,but no significant difference among treatment with regard to starting day,closing day and total germination *** case of height and diameter growth,seedlings originated from the seeds with hot water treatment shows significantly higher in wet season（from May to July）.Hot water treatment can be recommended on seed germination of the species in rural Bangladesh.

关键词： seed germination seed dormancy pre-sowing treatment seedling growth Acacia auriculiformis

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