Volume 7, Issue 4, August 2019, Page: 72-75
Sunflower (Helianthaus annuus L.) Seeds Germination in Saline Hydroculture
Macauley Asim Ittah, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar, Nigeria
Idorenyin Asukwo Udo, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar, Nigeria
Ekemini Edet Obok, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar, Nigeria
Received: Mar. 15, 2019;       Accepted: Apr. 26, 2019;       Published: Jul. 31, 2019
DOI: 10.11648/j.jps.20190704.11      View  96      Downloads  48
Abstract
Salinity affects seed germination, many plant growth and yield traits. This study assessed seed response, quality, ability and phenetic relationship in three sunflower (Helianthaus annuus L.) varieties (SSL-803, SSL-807 and SSL-809) in eleven concentrations of NaCl + CaCl2 solutions (1:1 by weight). Electrical conductivity of the saline solutions ranged from 0.16 to 31.25 dS/m. The repeated factorial experiment (3x11) was laid out in a completely randomized design with three replications in the screenhouse. Germination of 20 seeds per treatment was evaluated within five to ten days after culturing in filter-paper lined petri-dishes. Salinity above 15.63 dS/m significantly (p ≤ 0.05) inhibited seed germination; three seeds of twenty (16.7%) of variety SSL-809 and eight seeds (41.7%) of SSL-807 germinated in 18.75 dS/m solution, and high salinity (18.75 to 31.25 dS/m) caused seed discolouration and shrivelling in SSL-809 and SSL-803 varieties. Cluster analysis (Bray-Curtis’ method) partitioned SSL-807 on a par with SSL-803 in terms of tolerance and adaptability to salinity, SSL-809 was at aversion with the two varieties in these traits. The variety SSL-807 is recommended for cultivation in soils with electrical conductivity below 21.88 dS/m and SSL-803 in saline environments below 18.75 dS/m. Future research on sunflower seed germination will be carried out on the field to verify and fully elucidate current studies.
Keywords
Helianthaus annuus L., Seed Germination, Sunflower, Tropical Ecology, Salinity Tolerance
To cite this article
Macauley Asim Ittah, Idorenyin Asukwo Udo, Ekemini Edet Obok, Sunflower (Helianthaus annuus L.) Seeds Germination in Saline Hydroculture, Journal of Plant Sciences. Vol. 7, No. 4, 2019, pp. 72-75. doi: 10.11648/j.jps.20190704.11
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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