Phytolith analysis for differentiating between broomcorn millet (Panicum miliaceum) and its weed/feral type (Panicum ruderale)

Zhang, Jianping; Lü, Houyuan; Liu, Minxuan; Diao, Xianmin; Shao, Konglan; Wu, Naiqin

doi:10.1038/s41598-018-31467-6

Cited by 21 publications

(31 citation statements)

References 21 publications

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“…Within the same genus, although some minor morphological commonalities were observed, these morphological traits might not be useful as identification features due to the limited number of studied specimens. The morphometric analysis showed a large overlap within genera (Table 2 and Figure 7), and morphological traits also overlapped among species (Zhang et al, 2011;Kealhofer et al, 2015;Ge et al, 2018;Zhang et al, 2018). However, some minor morphological traits also suggest the possibility of species level identification, but again this must be further evaluated by additional studies.…”

Section: Discrimination Among Taxa Based On Interdigitating Differencesmentioning

confidence: 93%

“…The phytolith morphotype that we name INTERDIGITATING has been reported to be a useful tool in discriminating samples at the genus level for some taxa (Lu et al, 2009b;Madella et al, 2013;Weisskopf and Lee, 2016;Ge et al, 2018), however, discrimination at species level requires the assistance of Type IV 9-IV 1 Spikelet types correspond to Figure 1. morphometric analysis (Zhang et al, 2011;Zhang et al, 2018). The INTERDIGITATING phytoliths from Digitaria, Paspalum, and Oplismenus genera were employed to aid in morphometric discrimination from each other in our samples.…”

Section: Interdigitating Phytolith Measurementmentioning

confidence: 99%

“…Thereafter, scanning electron microscopy was introduced to study inflorescence phytoliths (Terrell and Wergin, 1981;Sangster et al, 1983;Rosen and Weiner, 1994). With the introduction of phytolith analysis among archaeologists, Poaceae inflorescence phytoliths were valued due to their relationship with human food gathering activities, and the inflorescence phytoliths of both major (Hodson and Sangster, 1988;Piperno and Pearsall, 1993;Tubb et al, 1993;Pearsall et al, 1995;Zhao et al, 1998;Ball et al, 1999;Rosen, 1999;Ball et al, 2001;Pearsall et al, 2003;Rosen, 2004;Hodson et al, 2008;Madella et al, 2014;Ball et al, 2017) and minor (Lu et al, 2009b;Radomski and Neumann, 2011;Zhang et al, 2011;Madella et al, 2013;Kealhofer et al, 2015;Novello and Barboni, 2015;Weisskopf and Lee, 2016;Ge et al, 2018;Zhang et al, 2018;Duncan et al, 2019) crops were extensively studied to investigate crop domestication. Nevertheless, many other wild relatives and minor crops have not been studied, which not only results in identification uncertainty, but also has stalled further application of phytolith analysis in the investigation of early plant resource exploitation.…”

Section: Introductionmentioning

confidence: 99%

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Phytoliths in Inflorescence Bracts: Preliminary Results of an Investigation on Common Panicoideae Plants in China

Lü

Zhang

et al. 2020

Front. Plant Sci.

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Phytoliths in the inflorescence of Poaceae plants can be of high taxonomic value in some archaeological contexts and provide insight into plant taxonomy and crop domestication processes. In this study, phytoliths in every inflorescence bract of 38 common Panicoideae weeds and minor crops in China were studied. Based on dissection of the inflorescence into different bracts using a treatment that retained the phytoliths anatomical position, observations of inflorescence phytoliths types and distribution were described in detail. We found that INTERDIGITATING, Blocky amoeboid, Rectangular dentate, and Elongate dendritic with multi tent-like arch tops were of higher taxonomic value than the other types in our studied species. Both morphological and morphometric traits of the INTERDIGITATING were summarized and compared with previous studies; the findings suggested that genus level discrimination of some Paniceae species could be reliable, and tribe/species level discrimination might be feasible. The phytoliths in the involucre of domesticated and wild type Coix lacryma-jobi provided insight into the domestication process of this plant. Our data also indicated that phytolith production in the inflorescence bracts might be under the genetic and molecular control of inflorescence development. Thus, the findings of this study could assist future studies in plant taxonomy and archaeobotany.

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Section: Discrimination Among Taxa Based On Interdigitating Differencesmentioning

confidence: 93%

Section: Interdigitating Phytolith Measurementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Phytoliths in Inflorescence Bracts: Preliminary Results of an Investigation on Common Panicoideae Plants in China

Lü

Zhang

et al. 2020

Front. Plant Sci.

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“…A total of 50 accessions of weedy broomcorn millet from China and 150 accessions of cultivated broomcorn millet from either China (83 accessions) or six other locations outside China (67 accessions) were analyzed in the present study (Table S1). The morphological characteristics are similar between weedy and cultivated broomcorn millets, while the main differences are found in seed color and size, plant height, type of panicle, and number of branches (Table S2) [2,12,16]. Overall, the cultivated broomcorn millet shows the domesticated phenotypes, while the weedy broomcorn millet shows the wild traits.…”

Section: Plant Materialsmentioning

confidence: 98%

Domestication and Spread of Broomcorn Millet (Panicum miliaceum L.) Revealed by Phylogeography of Cultivated and Weedy Populations

Liu

et al. 2019

Agronomy

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Cultivated broomcorn millet (Panicum miliaceum L.), one of the most ancient crops, has long been an important staple food in the semiarid regions of Eurasia. Weedy broomcorn millet (Panicum ruderale (Kitag.) Chang comb. Nov.), the companion weed of cultivated broomcorn millet, is also widely distributed throughout Eurasia and can produce fertile offspring by crossing with cultivated broomcorn millet. The evolutionary and genetic relationships between weedy and cultivated broomcorn millets, and the explicit domestication areas and detailed spread routes of this cereal are still unclear. The genetic diversity and population structure of 200 accessions of weedy and cultivated broomcorn millets were explored to elucidate the genetic relationship between weedy and cultivated broomcorn millets, and to trace the explicit domestication areas and detailed spread routes of broomcorn millets by using 23 simple sequence repeats (SSR) markers. Our results show that the weedy populations in China may harbor the ancestral variations that gave rise to the domesticated broomcorn millet. The population structure pattern observed in the wild and domesticated broomcorn millets is consistent with the hypothesis that there may be at least two independent domestication areas in China for the cultivated broomcorn millet, the Loess Plateau and the Northeast China, with both following the westward spread routes. These two westward spread routes of cultivated broomcorn millet coincide exactly with the prehistoric Oasis Route and Steppe Route, respectively.

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“…used these for distinguishing the volcaniform morphotypes of bananas Lu et al (2009),Zhang et al (2011Zhang et al ( , 2018,Kealhofer et al (2015). andGe et al (2018) applied morphometrics for differentiating between millet species, and Out and colleagues (2014, 2016) used morphometric methods for differentiating between bilobate phytoliths produced by the leaves of millet crops.…”

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confidence: 99%

Advances in Morphometrics in Archaeobotany

Portillo

Ball

Wallace

et al. 2019

Environmental Archaeology

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Morphometric analysis offers an alternative or augmentation to traditional archaeobotanical methods to address differences within and between plant species and their remains, refining and enhancing taxonomic resolution. Morphometrics, the measurement of size and shape, and the multivariate statistical analysis of generated quantitative variables, have long played a major role in biological research, including plant taxonomy and systematics, although its application in archaeobotany is relatively recent. Over the last few decades there has been an increasing interest in the use of morphometrics for analysing a varied range of archaeological plant materials (mainly seeds, pollen, phytoliths, and starch grains). In particular, morphometrics have contributed to the study of the domestication and spread of many cereals worldwide , as well as that of other taxa including legumes, underground storage organs (USO), and fruits (such as olives, grapes, and dates). This paper reviews current methodologies, recent applications, and advances in the use of morphometrics in archaeobotanical research, discusses its role in exploring major research questions, and suggests possible future directions for its use.

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Phytolith analysis for differentiating between broomcorn millet (Panicum miliaceum) and its weed/feral type (Panicum ruderale)

Cited by 21 publications

References 21 publications

Phytoliths in Inflorescence Bracts: Preliminary Results of an Investigation on Common Panicoideae Plants in China

Phytoliths in Inflorescence Bracts: Preliminary Results of an Investigation on Common Panicoideae Plants in China

Domestication and Spread of Broomcorn Millet (Panicum miliaceum L.) Revealed by Phylogeography of Cultivated and Weedy Populations

Advances in Morphometrics in Archaeobotany

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