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Hussein, M., Abd el Gwad, M., Hamouda, R., Elshahat, M. (2012). BIOACTIVITY OF Ulva spp. SOLUBLE POLYSACCHARIDES ON GERMINATION AND GROWTH OF SOME CROP PLANTS.. Journal of Plant Protection and Pathology, 3(11), 1203-1209. doi: 10.21608/jppp.2012.84408
Mervat H. Hussein; M. R. Abd el Gwad; Ragaa A. A. Hamouda; M. A. A. Elshahat. "BIOACTIVITY OF Ulva spp. SOLUBLE POLYSACCHARIDES ON GERMINATION AND GROWTH OF SOME CROP PLANTS.". Journal of Plant Protection and Pathology, 3, 11, 2012, 1203-1209. doi: 10.21608/jppp.2012.84408
Hussein, M., Abd el Gwad, M., Hamouda, R., Elshahat, M. (2012). 'BIOACTIVITY OF Ulva spp. SOLUBLE POLYSACCHARIDES ON GERMINATION AND GROWTH OF SOME CROP PLANTS.', Journal of Plant Protection and Pathology, 3(11), pp. 1203-1209. doi: 10.21608/jppp.2012.84408
Hussein, M., Abd el Gwad, M., Hamouda, R., Elshahat, M. BIOACTIVITY OF Ulva spp. SOLUBLE POLYSACCHARIDES ON GERMINATION AND GROWTH OF SOME CROP PLANTS.. Journal of Plant Protection and Pathology, 2012; 3(11): 1203-1209. doi: 10.21608/jppp.2012.84408

BIOACTIVITY OF Ulva spp. SOLUBLE POLYSACCHARIDES ON GERMINATION AND GROWTH OF SOME CROP PLANTS.

Article 9, Volume 3, Issue 11, November 2012, Page 1203-1209  XML PDF (327.97 K)
Document Type: Original Article
DOI: 10.21608/jppp.2012.84408
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Authors
Mervat H. Hussein1; M. R. Abd el Gwad2; Ragaa A. A. Hamouda3; M. A. A. Elshahat1
1Botany Department, Faculty of Science, Mansoura University.
2Biological Applications department-NRC- Atomic Energy Authority, Cairo.
3Microbial Biotechnology Department, GEBRI, MU, Egypt.
Abstract
Seaweed compounds can play an important role in the plant growth promotion and metabolism. We applied two concentrations (5 and 10 mg/ml) of soluble polysaccharides extracted from the green macro algae Ulva fasciata and Ulva lactuca on germination of Lupinus termis seeds. Growth and germination metabolism (amylase, protease activity) were studied. The priming of seeds with U. fasciata soluble polysaccharides (5mg /ml) significantly induced the highest enhancing effect on the base of all parameters (seed germination (100 ± 0%), shoot length (9.41 ± 0.361 cm) cm and root length (11.20 ± 1.08 cm), fresh weight (2.446 ± 0.054g) and dry weight (0.461 ± 0.044g); amylase activity ( 467.346 ± 36 mg reducing sugars / min .g. dr.wt), protease activity(514.062 ± 27 µg amino acids / min .g. dr.wt)).These results suggest that seaweed extracts induce stronger seed germination efficiency and growth parameters and can be recommended to use as organic fertilizer.
Keywords
Ulva fassciata; Ulva lactuca; soluble polysaccharides; Lupinus termis; seed germination
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