Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system

Aerobic rice system can be an alternate way to cultivate rice in less water conditions. However, weeds are a major constrain in aerobic rice field which decline its success. Weeds are being controlled by herbicides in aerobic rice but not all herbicides are effective in controlling various types of...

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Main Authors: Selvarajh, Gunavathy, Md Zain, Norhafizah, Seng, Chuah Tse, Aminudin, Anida
Format: Indexed Article
Published: 2018
Online Access:http://discol.umk.edu.my/id/eprint/7397/
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Institution: Universiti Malaysia Kelantan
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spelling my.umk.eprints.73972022-05-23T09:59:05Z http://discol.umk.edu.my/id/eprint/7397/ Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system Selvarajh, Gunavathy Md Zain, Norhafizah Seng, Chuah Tse Aminudin, Anida Aerobic rice system can be an alternate way to cultivate rice in less water conditions. However, weeds are a major constrain in aerobic rice field which decline its success. Weeds are being controlled by herbicides in aerobic rice but not all herbicides are effective in controlling various types of weeds. In this study, two pre-emergent (pretilachor and pendimethalin) and two post-emergent (cyhalofop-butyl and bispyribac-sodium) herbicides were evaluated for effective control of the bioassay species, Eleusine indica. It was found that pendimethalin at a higher application rate of 1.0 kg ai ha⁻¹ strongly inhibit the emergence and shoot growth of E. indica by >75% with negligible effect on the rice growth with stimulation on the leaf greenness. Conversely, pretilachor, cyhalofop-butyl and bispyribac-sodium gave moderate inhibition (55-60% inhibition) on weed emergence and shoot growth at higher application rates of 0.44, 0.1 and 0.035 kg ai ha⁻¹, respectively. Significant inhibitory effects on rice root growth were noticed at highest application rates of pretilachor, cyhalofop-butyl and bispyribac-sodium (40-50% inhibition) across the growth stage of rice seedlings. Great reduction in shoot height, shoot fresh weight, and greenness of rice plant also was evident at 0 DAS across herbicides rates. However, with increasing growth stages, the rice plant became less susceptible to the applied treatments. The finding suggested that pendimethalin at 1.0 kg ai ha⁻¹ was the most suitable application rate for inhibiting E. indica without injuring the rice seedlings. 2018 Indexed Article NonPeerReviewed Selvarajh, Gunavathy and Md Zain, Norhafizah and Seng, Chuah Tse and Aminudin, Anida (2018) Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system. Pakistan Journal of Botany. pp. 511-515. ISSN 2070-3368
institution Universiti Malaysia Kelantan
building Perpustakaan Universiti Malaysia Kelantan
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Kelantan
content_source UMK Institutional Repository
url_provider http://umkeprints.umk.edu.my/
description Aerobic rice system can be an alternate way to cultivate rice in less water conditions. However, weeds are a major constrain in aerobic rice field which decline its success. Weeds are being controlled by herbicides in aerobic rice but not all herbicides are effective in controlling various types of weeds. In this study, two pre-emergent (pretilachor and pendimethalin) and two post-emergent (cyhalofop-butyl and bispyribac-sodium) herbicides were evaluated for effective control of the bioassay species, Eleusine indica. It was found that pendimethalin at a higher application rate of 1.0 kg ai ha⁻¹ strongly inhibit the emergence and shoot growth of E. indica by >75% with negligible effect on the rice growth with stimulation on the leaf greenness. Conversely, pretilachor, cyhalofop-butyl and bispyribac-sodium gave moderate inhibition (55-60% inhibition) on weed emergence and shoot growth at higher application rates of 0.44, 0.1 and 0.035 kg ai ha⁻¹, respectively. Significant inhibitory effects on rice root growth were noticed at highest application rates of pretilachor, cyhalofop-butyl and bispyribac-sodium (40-50% inhibition) across the growth stage of rice seedlings. Great reduction in shoot height, shoot fresh weight, and greenness of rice plant also was evident at 0 DAS across herbicides rates. However, with increasing growth stages, the rice plant became less susceptible to the applied treatments. The finding suggested that pendimethalin at 1.0 kg ai ha⁻¹ was the most suitable application rate for inhibiting E. indica without injuring the rice seedlings.
format Indexed Article
author Selvarajh, Gunavathy
Md Zain, Norhafizah
Seng, Chuah Tse
Aminudin, Anida
spellingShingle Selvarajh, Gunavathy
Md Zain, Norhafizah
Seng, Chuah Tse
Aminudin, Anida
Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
author_facet Selvarajh, Gunavathy
Md Zain, Norhafizah
Seng, Chuah Tse
Aminudin, Anida
author_sort Selvarajh, Gunavathy
title Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
title_short Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
title_full Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
title_fullStr Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
title_full_unstemmed Herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
title_sort herbicidal activity of pre and post emergent herbicide on control eleusine indica in aerobic rice system
publishDate 2018
url http://discol.umk.edu.my/id/eprint/7397/
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