Sheikh Muhammad Masum, M. A. Hossain, H. Akamine, J. Sakagami, T. Ishii, I. Nakamura, M. Asaduzzaman, P. Bhowmik
{"title":"Performance of Bangladesh indigenous rice in a weed infested field and separation of allelopathy from resource competition","authors":"Sheikh Muhammad Masum, M. A. Hossain, H. Akamine, J. Sakagami, T. Ishii, I. Nakamura, M. Asaduzzaman, P. Bhowmik","doi":"10.1111/WBM.12174","DOIUrl":"https://doi.org/10.1111/WBM.12174","url":null,"abstract":"","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12174","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48778277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The application of allelopathic plant materials combined with an agricultural production method is a concept that can be used to manage weeds during rice production. This research investigated the effects of the utilization of Bidens pilosa var. radiata integrated with water irrigation for weed control and rice production. B. pilosa and water extract exerted more toxic-ity against Echinochloa crus-galli than the extracted residue applied at the same rates, suggesting that weed control was caused by compounds extracted from B. pilosa . The changes in water properties after the application of B. pilosa were explored. Dissolved oxygen was rapidly reduced after application and then slowly increased within 3 – 5 days after application (DAA), while the pH also decreased at the early stage and then increased back to normal values within 1 – 3 DAA. Electrical conductivity increased with increasing rates of application, suggesting that allelochemicals were released from B. pilosa . The concept was studied under fi eld conditions. B. pilosa was applied along with irrigation at 7 days after sowing (DAS) on a direct wet seed system. The results showed that application rates of 2, 4 and 6 tons ha − 1 decreased the number of weeds by 52.16, 86.73 and 95.18% at 30 DAA and reduced dried weight of weeds by 17.65, 34.69 and 86.82%, respectively. The rice yield showed an increase of 72.73, 81.03 and 73.66% when compared with the nonweeded crop, while herbicide treatment increased by 84.68%. The fi ndings demonstrate that the application of B. pilosa integrated with water irrigation was able to control weeds in a direct seeded rice production system.
{"title":"Utilization of\u0000 Bidens pilosa\u0000 var.\u0000 radiata\u0000 (Sch. Bip.) Sherff integrated with water irrigation for paddy weed control and rice yield production","authors":"T. Poonpaiboonpipat, Saiwaree Poolkum","doi":"10.1111/WBM.12173","DOIUrl":"https://doi.org/10.1111/WBM.12173","url":null,"abstract":"The application of allelopathic plant materials combined with an agricultural production method is a concept that can be used to manage weeds during rice production. This research investigated the effects of the utilization of Bidens pilosa var. radiata integrated with water irrigation for weed control and rice production. B. pilosa and water extract exerted more toxic-ity against Echinochloa crus-galli than the extracted residue applied at the same rates, suggesting that weed control was caused by compounds extracted from B. pilosa . The changes in water properties after the application of B. pilosa were explored. Dissolved oxygen was rapidly reduced after application and then slowly increased within 3 – 5 days after application (DAA), while the pH also decreased at the early stage and then increased back to normal values within 1 – 3 DAA. Electrical conductivity increased with increasing rates of application, suggesting that allelochemicals were released from B. pilosa . The concept was studied under fi eld conditions. B. pilosa was applied along with irrigation at 7 days after sowing (DAS) on a direct wet seed system. The results showed that application rates of 2, 4 and 6 tons ha − 1 decreased the number of weeds by 52.16, 86.73 and 95.18% at 30 DAA and reduced dried weight of weeds by 17.65, 34.69 and 86.82%, respectively. The rice yield showed an increase of 72.73, 81.03 and 73.66% when compared with the nonweeded crop, while herbicide treatment increased by 84.68%. The fi ndings demonstrate that the application of B. pilosa integrated with water irrigation was able to control weeds in a direct seeded rice production system.","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12173","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48081939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Seed germination ecology of creeping mannagrass (Glyceria acutiflora) and response to POST herbicides","authors":"Wei Tang, Yuan Xie, Yongliang Lu, Jie Chen","doi":"10.1111/WBM.12172","DOIUrl":"https://doi.org/10.1111/WBM.12172","url":null,"abstract":"","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12172","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47897567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Testing of an integrated regime for effective and sustainable control of invasive Crofton weed (Ageratina adenophora) comprising the use of natural inhibitor species, activated charcoal, and fungicide","authors":"Saichun Tang, Yu-mei Pan, Chun-qiang Wei, Xiangqin Li, Shi-hong Lü","doi":"10.1111/WBM.12171","DOIUrl":"https://doi.org/10.1111/WBM.12171","url":null,"abstract":"","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":"50 3","pages":""},"PeriodicalIF":1.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12171","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41289678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Masahiko Suzuki, M. Chozin, A. Iwasaki, K. Suenaga, H. Kato‐Noguchi
{"title":"Phytotoxic activity of Chinese violet (Asystasia gangetica\u0000 (L.) T. Anderson) and two phytotoxic substances","authors":"Masahiko Suzuki, M. Chozin, A. Iwasaki, K. Suenaga, H. Kato‐Noguchi","doi":"10.1111/WBM.12170","DOIUrl":"https://doi.org/10.1111/WBM.12170","url":null,"abstract":"","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12170","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42495411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Variations in the germination characteristics in response to environmental factors between the hairy and spiny seeds of hedge parsley (Torilis arvensisHuds.)","authors":"Rezvan Payamani, I. Nosratti, Masoomeh Amerian","doi":"10.1111/WBM.12165","DOIUrl":"https://doi.org/10.1111/WBM.12165","url":null,"abstract":"","PeriodicalId":23536,"journal":{"name":"Weed Biology and Management","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/WBM.12165","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47789161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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