Allelopathic Assessment by Interaction Effect of Coconut Water (Cocos nucifera L.), and Dipping Time on Seed Germination of Four Cereal Seeds.

Yaseen Ahmed Rasheed Goran

doi:10.21271/ZJPAS.32.4.15

Authors

Yaseen Ahmed Rasheed Goran Department of Biology, College of Science ,Salahaddin University-Erbil, Kurdistan region-Iraq.

DOI:

https://doi.org/10.21271/ZJPAS.32.4.15

Keywords:

allelopathy. barley, sorghum, soft wheat, hard wheat, coconut water, dipping time.

Abstract

Coconut water (Cocos nucifera L.) is a biological and sterile liquid from coconut kernel. It contains a variety of ionic materials, sugars, amino acids, and several plant growth regulators. This work has been achieved in plant physiology research laboratory in Biology Department, College of Science at Salahaddin University/Erbil during July to December 2019. The purpose of this study is to evaluate the effect of concentration, different dipping time and the interaction between both seed germination and seedling radicle and plumule length. The effect of different concentrations (1%, 2%, 3%, and 4% v/v) of coconut water and different dipping times (5, 10, 15, and 20 seconds) on four cereal seeds germination and seedling parameters, the seedling plumule and radicle lengths, also the interaction between both treatments were studied. In this study it claims that when using different concentrations, the best one is the 3% concentration that effects on percent germination of all seeds used in this study, where the higher germination percentage was recorded. The best effective concentration on radicle and plumule elongation was in 1% and all concentrations showed significant effection. The best active dipping time was at 5 seconds and others also showed significant effection on both radicles and plumules. In the case of interaction of both treatments the more positive effective interaction was at 5 seconds in 4% concentration on radicles and plumules.

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