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International Journal of Botany
  Year: 2019 | Volume: 15 | Issue: 2 | Page No.: 22-27
DOI: 10.3923/ijb.2019.22.27
 
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Effects of Pretilachlor and 2,4-Dichlorophenoxyacetic Acid on the Proximate and Mineral Compositions of Oryza sativa L.
Hameed Alsamadany, Bolaji Umar Olayinka , Abdulbaki Abdulbaki Shehu , Yahya Alzahrani, Opeyemi Adeoye, Ayinla Abdulaziz, Lukman Tunde Oladokun and Emmanuel Obukohwo Etejere

Abstract:
Background and Objective: Rice (Oryza sativa L.) is the most important staple food in the world and information on the effects of chemical weed control on rice grain quality is insufficient. Hence this study examined the effects of 2 herbicides pretilachlor and 2,4-dichlorophenoxyacetic acid on the proximate and mineral compositions of Oryza sativa L. Materials and Methods: Field experiment was conducted in evaluating the effect of herbicides on the proximate and mineral compositions of Oryza sativa. The experimental setup was a completely randomized block design with 7 treatments and 4 replicates. The treatments include; T1: Weedy check, T2: 1.5 L ha1 pretilachlor, T3: 2.0 L ha1 pretilachlor, T4: 2.5 L ha1 pretilachlor, T5: 6.0 L ha1 2,4-dichlorophenoxyacetic acid, T6: 8.0 L ha1 2,4-dichlorophenoxyacetic acid and T7: 10.0 L ha1 2,4-dichlorophenoxyacetic acid. Results: Using one-way analysis of variance, the result showed that pretilachlor and 2,4-dichlorophenoxyacetic acid at all application rates considered in this study significantly increased (p<0.05) the proximate parameters of harvested rice grains except for moisture content which was found to increase significantly only in 2,4-dichlorophenoxyacetic acid treated plots. Regardless of the application rates, the 2 herbicides considered significantly enhanced all the mineral contents investigated in this study except for iron content which showed a significant decrease in all the application rates. Conclusion: The results concluded that applications of pretilachlor and 2,4-dichlorophenoxyacetic acid in rice cultivation did a lot more than weed management as they significantly enhanced proximate and mineral compositions of harvested rice grains except for moisture and iron content.
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How to cite this article:

Hameed Alsamadany, Bolaji Umar Olayinka, Abdulbaki Abdulbaki Shehu, Yahya Alzahrani, Opeyemi Adeoye, Ayinla Abdulaziz, Lukman Tunde Oladokun and Emmanuel Obukohwo Etejere, 2019. Effects of Pretilachlor and 2,4-Dichlorophenoxyacetic Acid on the Proximate and Mineral Compositions of Oryza sativa L.. International Journal of Botany, 15: 22-27.

DOI: 10.3923/ijb.2019.22.27

URL: https://scialert.net/abstract/?doi=ijb.2019.22.27

 
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