Determination of Critical Period for Sustainable Weed Management and Yield of Jute ( Corchorus olitorius L.) under Sub-Tropical Condition

Mohammad Shahadat Hossain, Uttam Kumer Sarker, Sirajam Monira, Md. Imran Ali, Ahmed Khairul Hasan, Md. Salahuddin Kaysar, Md. Parvez Anwar, Mahfuza Begum, Md. Harun Rashid, Md. Harunur Rashid, Abeer Hashem, Graciela Dolores Avila-Quezada, Elsayed Fathi Abd_Allah and Md. Romij Uddin ()
Additional contact information
Mohammad Shahadat Hossain: Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka 1207, Bangladesh
Uttam Kumer Sarker: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Sirajam Monira: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Md. Imran Ali: Jute Research Regional Station, Kishoreganj 2300, Bangladesh
Ahmed Khairul Hasan: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Md. Salahuddin Kaysar: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Md. Parvez Anwar: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Mahfuza Begum: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Md. Harun Rashid: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
Md. Harunur Rashid: Bangladesh Agricultural Research Council, Farmgate, Dhaka 1215, Bangladesh
Abeer Hashem: Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
Graciela Dolores Avila-Quezada: Facultad de Ciencias Agrotecnológicas, Universidad Autónoma de Chihuahua, Chihuahua 31350, Mexico
Elsayed Fathi Abd_Allah: Plant Production Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
Md. Romij Uddin: Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh

Sustainability, 2023, vol. 15, issue 12, 1-18

Abstract: A field investigation was run to ascertain the critical period of weed control in jute ( Corchorus olitorius ). The study consisted of two distinct sets of treatments, with one set of weeds being left to invade the crop for a longer period of time, specifically, for 15, 30, 45 and 60 days after sowing (DAS) and up to harvest. In the other set of treatments, the plants remained weed-free for progressively longer periods, i.e., 15, 30, 45 and 60 DAS, and until harvest. The reduction in fibre yield (FY) was recorded as 53.39% when weed interference was permitted from the beginning to harvest, as opposed to the season-long weed-free period. The critical period for weed competition (CPWC) of jute was calculated as being 11 to 68 DAS and 19 to 59 DAS, based on results of 5% and 10% yield loss, respectively. Under the 5% yield loss condition, although yield was higher (3.36 t ha −1 ), the benefit cost ratio (BCR) was lower (1.65), whereas yield was slightly lower (3.19 t ha −1 ) but BCR was higher (1.73) with respect to 10% yield loss. Therefore, jute fields should be kept weed free from 19 to 59 days after sowing, and a weed management strategy should be undertaken accordingly.

Keywords: weed competition; summed dominance ratio; fibre yield; quality (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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