Weed species diversity as influenced by different Herbicide formulations and rates in lowland rice fields in Nigeria. | [Pakistan Journal of Weed Science Research • 2014]

Author(s):

1. M. A. Adagba: National Cereals Research Institute Badeggi, PMB 8 Bida, Niger State, Nigeria

2. A. U. Gbanguba: National Cereals Research Institute Badeggi, PMB 8 Bida, Niger State, Nigeria

3. A. A. Ndarubu: The Candel Company Ltd. 8b, Fabac Close, Ikoyi, Lagos, Nigeria

4. U. Ismaila: National Cereals Research Institute Badeggi, PMB 8 Bida, Niger State, Nigeria

5. M. N. Ukwungwu: National Cereals Research Institute Badeggi, PMB 8 Bida, Niger State, Nigeria

Abstract:

Different formulated mixtures of Propanil + 375 ml MCPA, Propani + 200ml MCPA, Propani + 250ml MCPA, Propani + 240 gha-1 Condax, 240g ha-1condax and Butachlor 4L ha-1along with Orizoplus at 4L ha-1as chemical check. Weedy check and 2 hand weedings at 3 and 6 weeks after transplanting were included in the treatments. The experiment was laid out in a Randomized Complete Block Design with three replicates at the experimental field of National Cereals Research Institute, Yandev and Badeggi, Nigeria. The variety of rice used was FARO 52 (WITA 4). Weed occurrence and their presence differed among the formulated herbicides. Both weed density and dry matter were lower whilehigher rice grain yield was recorded with the application of Orizoplus at 4 L ha-1and 2.4 kg propanil+375 ml MCPA ha-1.

Page(s): 21-36

DOI: DOI not available

Published: Journal: Pakistan Journal of Weed Science Research, Volume: 20, Issue: 1, Year: 2014

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