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Research Paper | Biology | Iraq | Volume 6 Issue 11, November 2017 | Popularity: 7 / 10

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Effect of Breaking Seed Dormancy Treatments on Germination and Vegetative Growth of Some Legumes Plant

Noora A. Al-Mothafar Hatim J. Attiya

Abstract: This study tried to break of seed dormancy of some legumes included Albizia lebbeck, Cassia nodosa, Cassia margenita and Cassia javanica. Different methods to breaking seed dormancy were used. Include water, GA3, H2SO4 50 %, H2SO4 98 % and scarification. Several treatments such as soaking in water, scarification by sand paper, growth regulator (GA3) and acid scarification by H2SO4 in two concentration, 50 % for 30 min and 98 % for 5 min were used to breaking hard seed coat of legume plant. In this experiment H2SO4 (98 %) gave best result in all genotypes. It needed 20.31days germination period and 68.02 % in germination percentage compare with 27.43 days and 56.22 % by water only. Albizia lebbeck showed the best result especially when it treated by H2SO4 in concentration of 98 %. It decrease germination period from 22.28 days to 15.32 days and increase germination percentage from 66.01 % to 70.07 % compared with water. This study showed that break of seed dormancy to enhance seed germination and growth of legume tree, by using H2SO4 in concentration of 98 %. For five minute. Albizia lebbeck was the best species in all vegetative and growth parameters.

Keywords: Albizia lebbeck, Cassia nodosa, Cassia margenita, Cassia javanica, GA3, H2SO4, Scarification, seed dormancy

Edition: Volume 6 Issue 11, November 2017

Pages: 1860 - 1864

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