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Data/hora: 02/06/2024 03:33:30

Crop Growth and Yield Losses in Wheat Due to Little Seed Canary Grass Infestation Differ with Weed Densities and Changes in Environment
Provedor de dados: 87
Autores: HUSSAIN,S.; KHALIQ,A.; BAJWA,A.A.; MATLOOB,A.; AREEB,A.; ASHRAF,U.; HAFEEZ,A.; IMRAN,M.
ABSTRACT: Understanding the weed interference with different sowing times of crop is inevitable for forecasting yield losses by weed infestation and designing sustainable weed management systems. A field experiment was carried out to evaluate the effects of sowing dates (20th November, 10th December) and various little seed canary grass (LCG) infestation levels (10, 20, 30 and 40 plant m-2) on growth and yield of wheat under semiarid conditions. Plots with two natural infestations of weeds including LCG (Unweeded control; UWC) and excluding LCG (UWC-LCG) were maintained for comparing its interference in pure stands with designated densities. A season-long weed-free (WFC) treatment was also run. All the weeds/LCG infestation levels starting from 10 LCG...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Interference; Little seed canary grass; Sowing time; Weeds; Wheat yield losses.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100272

APPLICATION OF PRE AND POST EMERGENCE HERBICIDE UNDER IMPROVED FIELD IRRIGATION SYSTEM PROVED A SUSTAINABLE WEED MANAGEMENT STRATEGY IN COTTON CROP
Provedor de dados: 87
Autores: HAKOOMAT,A.; AROOJ,M.; SARWAR,N.; AREEB,A.; SHAHZAD,A.N.; HUSSAIN,S.
ABSTRACT Successful weed control in cotton crop is an imperative as weeds not only reduce the cotton production but also deteriorate the lint quality and harbor insect pest. Thus a field study was carried out to evaluate the various weed control strategies under different irrigation systems. Pendimethlin (pre-emergence), S-metolachlor (pre-emergence), glyphosate (post emergence) were used alone or in combination as chemical weedicides along with mechanical weeding under drip and furrow irrigation systems. Results showed that all the weed control treatments with drip irrigation significantly decrease weed density compared with weed control treatments where watering was practiced through furrow irrigation method. However, combined application of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gossypium hirsutum; Seed cotton; Irrigation; Weed density; Ginning out turn and water use efficiency.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100250