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Native weeds have a long history of adaptation to local environments. Understanding the relationship between the occurrence of native weeds and their life history traits is crucial for effective weed management and risk assessment of plant invasions. In this study, we surveyed native weed species and their dominance across 666 field sites in agricu...
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... September 2022 to July 2023, 666 random survey sites were set up in the agricultural planting areas in Yangzhou City (Figure 1). Each site surveyed an area of 3.4 hectares, which contained at least two different habitats, such as arable lands, irrigation canals and ditches, plantations, roads, or ponds. ...
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... the 287 native weed species, 31% were found to have herbicide-resistant populations or biotypes worldwide ( Figure 10A), which occupied 57% occurrence dominance out of the total native weeds ( Figure 10B) Figure 9. Number of native weed species (A) and average value of dominance among 666 field surveying sites (B) referring to different appendages of fruits. Note that each percentage value represents the proportion of each trait within the same group of indicators. ...
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... the 287 native weed species, 31% were found to have herbicide-resistant populations or biotypes worldwide ( Figure 10A), which occupied 57% occurrence dominance out of the total native weeds ( Figure 10B) Figure 9. Number of native weed species (A) and average value of dominance among 666 field surveying sites (B) referring to different appendages of fruits. Note that each percentage value represents the proportion of each trait within the same group of indicators. ...
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... the 287 native weed species, 31% were found to have herbicide-resistant populations or biotypes worldwide ( Figure 10A), which occupied 57% occurrence dominance out of the total native weeds ( Figure 10B). According to A Geographical Atlas of World Weeds [23], 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. ...
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... the 287 native weed species, 31% were found to have herbicide-resistant populations or biotypes worldwide ( Figure 10A), which occupied 57% occurrence dominance out of the total native weeds ( Figure 10B). According to A Geographical Atlas of World Weeds [23], 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. ...
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... the 287 native weed species, 31% were found to have herbicide-resistant populations or biotypes worldwide ( Figure 10A), which occupied 57% occurrence dominance out of the total native weeds ( Figure 10B). According to A Geographical Atlas of World Weeds [23], 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. Serious weeds showed a significantly higher proportion (47%) in occurrence dominance among the overall native weeds ( Figure 10D). ...
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... to A Geographical Atlas of World Weeds [23], 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. Serious weeds showed a significantly higher proportion (47%) in occurrence dominance among the overall native weeds ( Figure 10D). Moreover, the total occurrence dominance values of weed groups increased with increasing weediness. ...
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... 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. Serious weeds showed a significantly higher proportion (47%) in occurrence dominance among the overall native weeds ( Figure 10D). ...
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... 31% out of the total 287 native weed species were recorded as a serious weed in at least one country or area ( Figure 10C), 18% were recorded as a principal weed in at least one country or area but not recorded as a serious weed, 27% were recorded as a common weed in at least one country or area but not recorded as a serious or principal weed, and the remaining 24% were listed as holding unclear weediness. Serious weeds showed a significantly higher proportion (47%) in occurrence dominance among the overall native weeds ( Figure 10D). Moreover, the total occurrence dominance values of weed groups increased with increasing weediness. ...
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... results extracted from the PCA show that 81.8% of the total variance of the data obtained could be explained using the first two principal components ( Figure 11). According to the PCA results, the traits of native weeds could be organized into 3 groups. ...
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... 3 is composed of common weeds and plants with unclear weediness, hairy fruits, big seeds, perennials, tall plants, moderate vegetative reproduction, and mesophytes referring to drought resistance. Weediness D Figure 10. Number of native weed species (A,C) and average value of dominance among 666 field surveying sites (B,D) referring to different herbicide resistance potential. ...
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