2024 Protracted domestication

Protracted domestication

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Webb22 juli 2024 · The protracted domestication of Asian rice is usually defined by the fixation of the domestication syndrome consisting of six main phenotypic traits having all an …

Convergent evolution and parallelism in plant domestication

Webb23 okt. 2024 · The dating of the domestication episode, between 6500-3300 bc, does not exclude a protracted period of precultivation exploitation of millets and other grasses (cf. Yang et al. 2012Yang et al ... Webb29 nov. 2013 · The protracted model for the origins of agriculture has repeatedly been interpreted as requiring no conscious human involvement in the domestication process [6,58]. Our dynamic model assumes that the transition from hunting-gathering to agriculture was protracted but equally assumes that humans played an active and … downing manufacturing inc

Dispersed emergence and protracted domestication of polyploid …

Webb1 juni 2024 · The protracted domestication model posits that wild cereals in southwest Asia were cultivated over millennia prior to the appearance of domesticated cereals in the archaeological record. Webb29 nov. 2024 · Mechanisms of selection for domestication traits in cereals and other annual plants are commonly explained from agro-technological and genetic perspectives. Since archaeobotanical data showed that … Webb17 aug. 2024 · The protracted domestication of Asian rice is usually defined by the fixation of the domestication syndrome consisting of six main phenotypic traits having all an … downing medical term

Detecting multiple origins of domesticated crops PNAS

Webb15 nov. 2024 · They further claim as erroneous our key conclusions about domestication as: protracted, co-evolutionary, comprising multiple pathways of convergent evolution, and taking place at the landscape scale. Here we defend these recent contributions as genuine progress that builds on previous ideas and hypotheses through empirical illustration and … Webb10 sep. 2008 · Domestication bottlenecks eliminate genetic variation, and given protracted bottlenecks (e.g., Fig. 2 B and C), the alleles representing multiple domestications may be lost. This does not mean that multiple, independent domestications did not occur, only that their descendants are not represented in the crop today. downing metal monctonWebbDomestication Is a Protracted Process The tempo of domestication has been the subject of study and controversy [15–26]. Although Darwin presumed that evolu-tionary change proceeded gradually, crop species appeared to run counter to this assumption. Early work suggested that domesticated taxa arose rapidly, and that the ﬁrst plant domes- downing meat co ft run ky

"WebbThe protracted domestication of Asian rice is usually defined by the fixation of the domestication syndrome consisting of six main phenotypic traits having all an agronomic importance: seed ... " - Protracted domestication

Protracted domestication

Role of dynamic environmental change in sustaining the …

Webb15 aug. 2024 · Growing evidence from archaeobotany and genetics has suggested that domestication is a protracted process. In addition to the unconscious selection carried … Webb4 jan. 2012 · Modern genetics, ecology and archaeology are combined to reconstruct the domestication and diversification of rice. Early rice cultivation followed two pathways towards domestication in India and China, with selection for domestication traits in early Yangtze japonica and a non-domestication feedback system inferred for ‘proto-indica’. …

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Webb15 nov. 2024 · We will focus on the archaeobotanical data and on the commonly accepted themes that underlie the autonomous-protracted domestication model (e.g., Purugganan and Fuller, 2011; Fuller et al., 2024). One such deeply rooted theme is the slow pace of domestication – the protracted domestication model. WebbThe protracted domestication model posits that wild cereals in southwest Asia were cultivated over millennia before the appearance of domesticated cereals in the archaeological record. These 'pre-domestication cultivation' activities are widely understood as entailing annual cycles of soil tillage and sowing and are expected to …

Webb21 apr. 2014 · A domestication episode can be regarded as providing a species-specific time scale against which evidence for cultivation and management practices can be … Webb16 sep. 2008 · Domestication bottlenecks eliminate genetic variation, and given protracted bottlenecks (e.g., Fig. 2B and C), the alleles representing multiple domestications may be …

Webb12 nov. 2010 · Proponents of protracted plant domestication are thus relying on unconscious selection processes in their arguments. In assuming that Neolithic cultivators were unable to identify plant types that exhibit better taste, a more nutritious composition, better aroma, a non-brittle rachis, free germination, or other notable traits, one is likely to … Webb9 dec. 2008 · Like Allaby et al. ( 1 ), we find that multiple domestication events appear monophyletic more often over time, but this process occurs much more slowly than claimed: To double the proportion of monophyletic phylogenies under the admixture model requires increasing the age of domestication by an order of magnitude (from 4N to 40N …

Webb10 juli 2024 · The dispersed emergence and protracted domestication process of polyploid wheat In summary, as a typical polyploid plant, wheat showed its advantages and …

Webb15 aug. 2024 · In the framework of the protracted-autonomous model of PD, some scholars suggest that domestication can be viewed as a form of specialized mutualism … downing meat fountain runWebb17 aug. 2024 · The protracted domestication of Asian rice is usually defined by the fixation of the domestication syndrome consisting of six main phenotypic traits having all an agronomic importance: seed retention, reduction of seed dispersal aids, increase in seed size, reduction of seed dormancy, a more compact growth habit, and synchronised … downing memorial auditorium ottawaWebb15 aug. 2024 · In the framework of the protracted-autonomous model of PD, some scholars suggest that domestication can be viewed as a form of specialized mutualism 1 between humans and their would-be domesticates (Rindos, 1980, 1984; Purugganan and Fuller, 2011) that can be treated in the spirit of other phenomena of co-evolved … downing meet the teamWebb6 juli 2024 · The key domestication-related loci, originated over a wide geographical range, were gradually pyramided through a protracted process. Diverse stable-inheritance … clancy\u0027s restaurant in new orleansWebb1 jan. 2014 · To address the geography of plant domestication, evidence from three major independent fields is required: (1) the geobotany and genetics of the living plants, (2) 14 … downing medicalWebb1 jan. 2024 · The protracted domestication model rests on a long series of assumptions of which we address only two: (1) that the archeobotanical assemblages found in Neolithic occupation sites are representative of the managed plant populations from the cultivated fields; (2) that WT (shattering, brittle spikes) and domesticated (non-shattering, non … downing microcapWebb1 apr. 2024 · The process of plant domestication is often protracted, involving underexplored intermediate stages with important implications for the evolutionary … downing middle school