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KMID : 0368419850280030253
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Journal of Plant Biology
1985 Volume.28 No. 3 p.253 ~ p.259
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Effect of NaCl on Germination of Artiplex gmelini and Pharagmites communis
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Abstract
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The results of the conducted experiment obtained basic data on seed germination for Phragmites communis and Atriplex gmelini were; Seed germination was not influenced till 0.5% NaCl, but at over 1.0% NaCl it dropped remarkably. The germination limit for degree of NaCl was 2.0% in Phragmites communis. Atriplex gemelini was 2.5% and in accordance with the increase of the degree of NaCl. Germination speed showed a negative correlation being highly significant and the germination period lengthened. Compared with growing top plants, growth of roots was largely influenced by a high degree of NaCl. In accordance with the rise of temparature, the germination rate, and speed of both plants remarkably increased and the germination period was shortened. Ubride of Atriplex gmelini was germinated at the early days of picking but was not as the passing of the period. The seeds also did not germinated likewise Ubride. By a seedcoat breaking germination became 81%. During 20 min soaking treatment in conc H_2SO_4 seed germination possibility of 63% was known to be hard. Adequate soaking time in conc H_2SO_4 was 17.5 min.
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