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Allelopathic Influences of Lower Plants on Barley (Hordeum vulgare L.) Seed Germination and Some Growth Characteristics | ||
| Journal of Education and Science | ||
| Article 6, Volume 33, Issue 2, June 2024, Pages 72-80 PDF (509.85 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/edusj.2024.147195.1 | ||
| Authors | ||
| Pakhshan Mustafa Maulood* 1; shireen Abdulkerim Amin2; Yadi Omer Mustafa3; Yahya Ahmed Shekha4 | ||
| 1Biology Department- College of Science/Salahaddin University-Erbil, Iraq | ||
| 2Biology Department, Science College, University of Salahaddin, Erbil-Iraq | ||
| 3Biology Department, science College, University of Salahaddin, Erbil- Iraq | ||
| 4Environmental Science and Health Department- College of Science- Salahaddin University, Erbil- Iraq | ||
| Abstract | ||
| The present research aimed to study the effects of lower plant residues of (Cladophora glomerata, Chara sp., and Ceratophyllum demersum) with three treatments of 0.5, 1%, and 1.5% as an allelopathic agent on the barley (Hordeum vulgare L.) germination, growth properties, chlorophyll content, and relative growth rate (RGR). Statistically, a completely randomized design (CRD) was used with four replications, and Duncan’s test was applied to compare means. Results showed that using Chara sp. at a dose of 1.5% significantly (P≤0.05) increased shoot weight, number of spikes, and the total weight of seed, while spike length significantly increased at a 1% dose. Cladophora sp. at 1.5% dose significantly(P≤0.05) increased plant length, shoot weight, spike length, number of spikes, and the total weight of seed compared to the control plant. However, the flag leaf length was increased significantly (P≤0.05) at 1% treatment. Ceratophyllum demersum at 1% and 1.5 % doses (P≤0.05) causes increases in the total chlorophyll content, and chlorophyll a. The highest inhibition percentage was observed at a 1% dosage of Cladophora glomerata residues. | ||
| Keywords | ||
| Algae; Barley; Growth and Seed Germination; Chlorophyll | ||
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