苗期前除草剂处理连续玉米田杂草种类的多样性和组成

F. Takim, J. Falola-Olasunkanmi, O. Osatuyi, I. Garuba
{"title":"苗期前除草剂处理连续玉米田杂草种类的多样性和组成","authors":"F. Takim, J. Falola-Olasunkanmi, O. Osatuyi, I. Garuba","doi":"10.15547/ast.2023.02.014","DOIUrl":null,"url":null,"abstract":"Abstract. This study analyses the floristic composition of field weeds recorded at the University of Ilorin Teaching and Research Farm (008° 27’ 23.9’N and 004° 39’ 42.9’E) in the southern Guinea savannah of Nigeria during the 2019 – 2021 growing seasons. The area is characterized by a bimodal rainfall pattern with an average annual rainfall of 1227.85 mm and sandy loam soil (plinthustaffs). The experiment was set up as a randomized complete block design and repeated three times in a field that had been continuously maize-cropped for 10 years. Treatments were pre-emergence applications of atrazine, metolachlor, and primextra at the rate of 1.5, 2.5, and 3.5 kg a.i.ha-1 and Weedy Check. Maize was sown and maintained using the recommended agronomic practices for ecology. Weed species composition was estimated using four continuous sample quadrats (0.5 m2) at 3, 6, 9, and 12 weeks after sowing. The weed flora consisted of 48% broadleaves, grasses 45%, and 7% sedges. Between 2019 and 2021 there was a gradual shift from the predominant annual broadleaves to induced annual grasses and a reduction in the floristic composition of the weed community by approximately 2 – 28%. Fifteen (15) weed species were predominant and the most stable weed species were Richardia scabra, Digitaria horizontalis and Digitaria sanguinalis. This requires finding an ideal weed control option that controls the negative impact of agricultural weeds on crop after yield while maintaining a diverse weed community.","PeriodicalId":55762,"journal":{"name":"Agricultural Science and Technology","volume":"1 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Diversity and composition of weed species in a continuously grown maize field treated with selected pre-emergence herbicides\",\"authors\":\"F. Takim, J. Falola-Olasunkanmi, O. Osatuyi, I. Garuba\",\"doi\":\"10.15547/ast.2023.02.014\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract. This study analyses the floristic composition of field weeds recorded at the University of Ilorin Teaching and Research Farm (008° 27’ 23.9’N and 004° 39’ 42.9’E) in the southern Guinea savannah of Nigeria during the 2019 – 2021 growing seasons. The area is characterized by a bimodal rainfall pattern with an average annual rainfall of 1227.85 mm and sandy loam soil (plinthustaffs). The experiment was set up as a randomized complete block design and repeated three times in a field that had been continuously maize-cropped for 10 years. Treatments were pre-emergence applications of atrazine, metolachlor, and primextra at the rate of 1.5, 2.5, and 3.5 kg a.i.ha-1 and Weedy Check. Maize was sown and maintained using the recommended agronomic practices for ecology. Weed species composition was estimated using four continuous sample quadrats (0.5 m2) at 3, 6, 9, and 12 weeks after sowing. The weed flora consisted of 48% broadleaves, grasses 45%, and 7% sedges. Between 2019 and 2021 there was a gradual shift from the predominant annual broadleaves to induced annual grasses and a reduction in the floristic composition of the weed community by approximately 2 – 28%. Fifteen (15) weed species were predominant and the most stable weed species were Richardia scabra, Digitaria horizontalis and Digitaria sanguinalis. This requires finding an ideal weed control option that controls the negative impact of agricultural weeds on crop after yield while maintaining a diverse weed community.\",\"PeriodicalId\":55762,\"journal\":{\"name\":\"Agricultural Science and Technology\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Agricultural Science and Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.15547/ast.2023.02.014\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Agricultural Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15547/ast.2023.02.014","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

摘要

摘要本研究分析了尼日利亚几内亚南部稀树草原伊洛林大学教学与研究农场(008°27'23.9'N和004°39'42.9'E)在2019-2021生长季节记录的田间杂草的区系组成。该地区的特点是双峰降雨模式,年平均降雨量为1227.85毫米,为沙壤土(plinthusstaff)。该实验以随机完全区组设计的方式进行,并在连续种植玉米10年的田地中重复进行三次。处理是以1.5、2.5和3.5 kg a.i.ha-1的速率在羽化前施用阿特拉津、甲草胺和primextra,并进行杂草检查。玉米采用推荐的生态学农艺措施进行播种和维护。在播种后3、6、9和12周,使用四个连续样本象限(0.5 m2)估计杂草物种组成。杂草区系由48%的阔叶植物、45%的草和7%的莎草组成。2019年至2021年间,主要的一年生阔叶草逐渐转变为诱导的一年生草,杂草群落的区系组成减少了约2-28%。十五(15)种杂草占主导地位,最稳定的杂草种类是粗糙里查迪亚、水平洋地黄和血洋地黄。这需要找到一种理想的杂草控制方案,在保持多样化杂草群落的同时,控制农业杂草对作物产量的负面影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
Diversity and composition of weed species in a continuously grown maize field treated with selected pre-emergence herbicides
Abstract. This study analyses the floristic composition of field weeds recorded at the University of Ilorin Teaching and Research Farm (008° 27’ 23.9’N and 004° 39’ 42.9’E) in the southern Guinea savannah of Nigeria during the 2019 – 2021 growing seasons. The area is characterized by a bimodal rainfall pattern with an average annual rainfall of 1227.85 mm and sandy loam soil (plinthustaffs). The experiment was set up as a randomized complete block design and repeated three times in a field that had been continuously maize-cropped for 10 years. Treatments were pre-emergence applications of atrazine, metolachlor, and primextra at the rate of 1.5, 2.5, and 3.5 kg a.i.ha-1 and Weedy Check. Maize was sown and maintained using the recommended agronomic practices for ecology. Weed species composition was estimated using four continuous sample quadrats (0.5 m2) at 3, 6, 9, and 12 weeks after sowing. The weed flora consisted of 48% broadleaves, grasses 45%, and 7% sedges. Between 2019 and 2021 there was a gradual shift from the predominant annual broadleaves to induced annual grasses and a reduction in the floristic composition of the weed community by approximately 2 – 28%. Fifteen (15) weed species were predominant and the most stable weed species were Richardia scabra, Digitaria horizontalis and Digitaria sanguinalis. This requires finding an ideal weed control option that controls the negative impact of agricultural weeds on crop after yield while maintaining a diverse weed community.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
24
审稿时长
11 weeks
期刊最新文献
A new type of laboratory microdevice for distillation of lavender and herb raw materials Factors determining the competitiveness of grain production and opportunities for their digital optimization Effect of green pruning on the fruitfulness of winter buds, quantity and quality of yield in Cabernet Franc cultivar Suitability of some growing media for cashew seedling growth and development in the nursery Method for obtaining gluten-free high protein animal feeds
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1