WEED DYNAMICS AND YIELD OF RABI MAIZE (Zea mays L.) AS INFLUENCED BY WEED MANAGEMENT PRACTICES

Soren, Chaitan; Chowdary, Korla Aditya; Sathish, G.; Patra, B. C.

doi:10.18006/2018.6(1).150.158

Cited by 2 publications

References 12 publications

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Evaluation of the efficiency of some weed control treatments on maize growth, and yield under high infestation by Ipomea eriocarpa and Setaria virdis soil seed banks

Abusteit,

Absy,

Ismail

et al. 2024

Preprint

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Background Ipomea eriocarpa and Setaria virdis are widespread in maize fields in Egypt due to the recommended herbicides having less effect on one or every two species. Ipomea eriocarpa is twines on maize plants and breaks it as well as fewer pollution processes in maize, causing more damage to maize yield losses. The rotations of applied herbicides can overcome this problem, so, this work aims to evaluate the best sequence over two years for ten weed control treatments in sequence in maize fields chemical treatments with the fotowing six herbicides: Pendimethaline 45.5% CS (T1) at 3.6 l ha-1, Isoxaflutol 22.5%+Theincarbazone-methyl 9% SC Cyprosulfamide (safener) 10% SC (T2) at 360 cm3ha-1, Metribuzin 70% WG (T3) at 720 g ha-1, Foamsulfuron 3.35%+Iodosulfuron methyl-sodium 0.11%+Thiencarbazone-methyl 1.07% OD (T4) at 1200 cm3 ha-1, Foramsulfuron 2.25 OD (T5) at 1800 cm3 ha-1 and Bromoxynil 10%+Terbuthylanine 25% SE (T6) at 1200 cm3ha-1 with three hand hoeing treatment as mechanical weed control thrice (T7), twice (T8) and once (T9) and check weedy (untreated) (T10). Two field experiments were carried out at the experimental farm station, Agricultural Research Center, Giza, Egypt, during the 2021 and 2022 summer seasons in a randomized complete block design (RCBD). Results showed that weed biomass was approximately 96 and 59.5 ton ha-1 in the 2021 and 2022 seasons, respectively, in the infested plots. The efficacy of treatments T2 and T4 were nearly equaled T8 and T9 under high infestation by Ipomea eriocarpa and Setaria vir dis during the first season, while treatments T1, T2, T4 and T5 were insignificantly different in reduced weed biomass as well as improvement maize growth, yield and its components than T8 in the second season as well as increased gross income and profitability of maize crop. Conclusion according to the obtained results, the treatments T2, T4, T5, T1 and T7 or T8 as a rotation for two years were recommend for weed control and increased grain yield and profitability of maize.

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Evaluation of the efficiency of some weed control treatments on maize growth, and yield under high infestation by Ipomea eriocarpa and Setaria virdis soil seed banks

Abusteit,

Absy,

Ismail

et al. 2024

Preprint

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Morpho-genetic characterization of black-husked small-grain aromatic rice landrace Kalojira of West Bengal

Ghosh,

Pyngrope,

Das

et al. 2023

Oryza

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The morpho-genetic characterization of Kalojira, a black-husked non-Basmati type scented rice landrace, was done at Bidhan Chandra Krishi Viswavidyalaya (BCKV), Kalyani, West Bengal, India during kharif (wet) season of 2013, 2014 for DUS test, followed by 2019 and 2020 for confirmation of recorded traits, and molecular study was conducted at Bose Institute, Kolkata. The long-statured plants (scale 7, 140-150 cm height) had less foliage and stiff culm with late heading (119±4 days) and late maturity (scale 7, 151±4 days). The bi-sexual flower of the genotype consisted of six yellow-coloured plump anthers and an ovary with white-coloured feathery stigma. The short-sized matured grain (4.9 mm) had black coloured lemma-palea without awn, purple sterile lemma and low test weight (13.1 g). The white-coloured short-bold type kernels (length 3.7 mm and width 2.1 mm) had low amylose content (18.0%), medium gelatinization temperature (alkali spreading value 3.1) and medium-strong aroma (score 2.4). The DNA-based study using 23 simple sequence repeat (SSR) markers revealed that four markers (RM 149, RM 339, RM 341 and RM 569) made greater genetic distances (276 vs. 247 bp, 180 vs. 143 bp, 141 vs. 175 bp, and 194 vs. 168 bp, respectively) between Kalojira and IR 36 in the investigation.

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WEED DYNAMICS AND YIELD OF RABI MAIZE (Zea mays L.) AS INFLUENCED BY WEED MANAGEMENT PRACTICES

Cited by 2 publications

References 12 publications

Evaluation of the efficiency of some weed control treatments on maize growth, and yield under high infestation by Ipomea eriocarpa and Setaria virdis soil seed banks

Evaluation of the efficiency of some weed control treatments on maize growth, and yield under high infestation by Ipomea eriocarpa and Setaria virdis soil seed banks

Morpho-genetic characterization of black-husked small-grain aromatic rice landrace Kalojira of West Bengal

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