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38 results for “Fagopyrum”
Supplementary data: Agro-morphological and molecular characterization reveal deep insights in promising genetic diversity and marker-trait associations in Fagopyrum esculentum and F. tataricum
<p>Our study focuses on the global/European buckwheat germplasm collected as part of the ECOBREDD project. The potential of this highly diverse collection for organic buckwheat breeding was evaluated at two complementary levels: phenotypic and genetic. Here, we characterized the phenotypic and genetic diversity of a global collection of the two cultivated buckwheat species <em>Fagopyrum esculentum</em> and <em>F. tataricum</em> (190 and 51 accessions, respectively) using 37 agro-morphological traits and 24 SSR markers (Simple Sequence Repeats) (see publication and info sheet of the data).</p>
Fig. 1 in Insect visitors to flowering buckwheat, Fagopyrum esculentum (Polygonales: Polygonaceae), in north-central Florida
Fig. 1. Map depicting location of eight 2 ha buckwheat fields utilized for this study in north-central Florida.
Efficient Agrobacterium-mediated transformation and genome editing of Fagopyrum tataricum
<p><em>Fagopyrum tataricum</em> (L.) Gaertn. is an exceptional crop known for its remarkable health benefits, high levels of beneficial polyphenols and gluten-free properties, making it highly sought-after as a functional food. Its self-fertilisation capability and adaptability to challenging environments further contribute to its potential as a sustainable agricultural option. To harness its unique traits, genetic transformation in <em>F. tataricum</em> is crucial. In this study, we optimised the Agrobacterium-mediated transformation protocol for <em>F. tataricum</em> callus, resulting in a transformation rate of regenerated plants of approximately 20%. The protocol’s effectiveness was confirmed through successful GUS staining, GFP expression, and the generation of albino plants via <em>FtPDS</em> gene inactivation. These results validate the feasibility of genetic manipulation and highlight the potential for trait enhancement in <em>F. tataricum</em>.</p>
Raw data: Potential of different common (Fagopyrum esculentum Moench) and Tartary (Fagopyrum tataricum (L.) Gaertn.) buckwheat accessions to sustainably manage surrounding weeds
<p>Twenty-nine accessions of two buckwheat species (<em>Fagopyrum esculentum</em> Moench (common buckwheat) and <em>Fagopyrum tataricum</em> (L.) Gaertn. (Tartary buckwheat) were evaluated for their allelopathic potential against two resistant weeds, i.e. the monocot <em>Lolium rigidum</em> Gaud. and the dicot <em>Portulaca oleracea</em> L. The bulking use of synthetic herbicides and their consequent contamination of the environment and resulting increment of resistant weeds, imminently requires a solution to achieve sustainable weed management without the use of chemical inputs. The results obtained in this study suggest that buckwheat accessions can sustainably manage weeds through plant interference as competition or allelopathy. This research showed that accessions differ in their potential for sustainably manage both weeds, with <em>F. esculentum</em> accessions being more effective against <em>L. rigidum</em> and <em>F. tataricum</em> accessions against both, monocot and dicot weeds. The chemical profile of buckwheat accessions was evaluated to know the content of polyphenols in common and Tartary buckwheat accessions and to know more about their ability to sustainably manage weeds. Differences in the chemical profile between the two buckwheat species were clear. While common buckwheat accessions showed more orientin, vitexin and hyperoside, Tartary buckwheat accessions had higher amounts of rutin, quercetin and kaempferol. We propose that the screening and selection of accessions with strong polyphenol content and vigorous growth can be a step towards organic farming due to its relation to the weed management.</p>
FIGURE 2 in Newly discovered tetraploid Fagopyrum homotropicum in Tibet, China
FIGURE 2. Morphology of flower and fruits of Tetraploid form of Fagopyrum homotropicum: A) Flower when overlooking, B) Flower when side-looking, C) Immature seed, D) Mature seed.
FIGURE 1 in Newly discovered tetraploid Fagopyrum homotropicum in Tibet, China
FIGURE 1. Tetraploid form of Fagopyrum homotropicum in different stages. A) Seedling stage, B) Flowering stage, C) Fruit setting stage, D) Plants in the wild environment.
FIGURE 3 in Newly discovered tetraploid Fagopyrum homotropicum in Tibet, China
FIGURE 3. Morphology of flower and fruits of diploid form of Fagopyrum homotropicum: A) Flower when overlooking, B) Flower when side-looking, C) Immature seed, D) Mature seed.
FIGURE 2 in Colletotrichum xishanense as a new etiological anthracnose agent on Fagopyrum gracilipes in Yunnan Province, China
FIGURE 2. Phylogenetic tree derived from maximum parsimony analysis of the combined apmat-gs sequences, using Colletotrichum xanthorrhoeae BRIP 45094 as outgroup. Maximum parsimony bootstrap values (MP>50%) and Bayesian posterior probabilities (BI>0.95) are shown above or below the branches. Type strains are in bold.
FIGURE 3 in Colletotrichum xishanense as a new etiological anthracnose agent on Fagopyrum gracilipes in Yunnan Province, China
FIGURE 3. Colletotrichum xishanense (453-2-3-1, ex-holotype): A. Front (left) and back (right) views of 7-d-old PDA culture; B. Symptoms on leaves of Fagopyrum gracilipes; C–D. Conidiogenous cells; E. Conidia; F–I. Appressoria. A. On PDA. C–I. On OA. Scale bars: C–I = 10 μm.
FIGURE 1 in Colletotrichum xishanense as a new etiological anthracnose agent on Fagopyrum gracilipes in Yunnan Province, China
FIGURE 1. Phylogenetic tree derived from maximum parsimony analysis of the combined act-tub2-cal-chs-1-gapdh-ITS sequences, using Colletotrichum boninense CBS 123755 as outgroups. Maximum parsimony bootstrap values (MP>50%) and Bayesian posterior probabilities (BI>0.95) are shown above or below the branches. Type strains are in bold.
FIGURE 5 in Fagopyrum longzhoushanense, a new species of Polygonaceae from Sichuan, China
FIGURE 5. Maximum-Likelihood tree based the matK sequences. Numbers showed on/below the branches were the bootstrap values.
FIGURE 4 in Fagopyrum longzhoushanense, a new species of Polygonaceae from Sichuan, China
FIGURE 4. Neighbor-Joining tree based the matK sequences. Numbers showed on/below the branches were the bootstrap values.
FIGURE 3 in Fagopyrum longzhoushanense, a new species of Polygonaceae from Sichuan, China
FIGURE 3. Karyotypes of Fagopyrum longzhoushanense and related species. A) F. longzhoushanense, root tip cell chromosomes, B) F. gracilipes, root tip cell chromosomes [A, and B are vouchered by Shao & Tang s.n. (China. Sichuan: Liangshan, wet sites in valley, 1878m, 18 Sep. 2011)].
FIGURE 2. A in Fagopyrum longzhoushanense, a new species of Polygonaceae from Sichuan, China
FIGURE 2. A) The immature seeds of Fagopyrum gracilipes, B) The immature seeds of Fagopyrum longzhoushanense C) Habit of Fagopyrum longzhoushanense.
FIGURE 1. Fagopyrum longzhoushanense. A in Fagopyrum longzhoushanense, a new species of Polygonaceae from Sichuan, China
FIGURE 1. Fagopyrum longzhoushanense. A) Habit, B) Fruits (showing winged fruits) (drawning by Cheng-Long Wang based on the holotype at SAU!).
FIGURE 2 in A common Bistorta was misidentified as a novel species in Fagopyrum (Polygonaceae): the confirmation of the taxonomic identify of F. hailuogouense by morphological and molecular evidences
FIGURE 2. Morphology of Bistorta pergracilis. A. habit; B. rhizome; C. sessile and clasping cauline leaves, and terminal and axillary spicate inflorescences; D. axillary infructescence with achenes exceeding from persistent perianth. A, D photographed by Bo Li, and B, C provided by Xing-xing Zhu.
FIGURE 1 in A common Bistorta was misidentified as a novel species in Fagopyrum (Polygonaceae): the confirmation of the taxonomic identify of F. hailuogouense by morphological and molecular evidences
FIGURE 1. Morphology of Fagopyrum hailuogouense. A. line-drawing illustration (from Zhang 2013); B. leaves and inflorescences (from Zheng 2012).
FIGURE 3. The Bayesian 50 in A common Bistorta was misidentified as a novel species in Fagopyrum (Polygonaceae): the confirmation of the taxonomic identify of F. hailuogouense by morphological and molecular evidences
FIGURE 3. The Bayesian 50% majority-rule consensus tree of subfamily Polygonoideae based on combined matK+rbcL+trnL-F dataset. Support values displayed on the branches are Bayesian posterior probabilities / ML bootstrap percentages. A dash "−" indicates support values of less than 0.90 in BI or 50% in ML, respectively, while bold lines indicate PP = 1.00 and ML-BP = 100, simultaneously. Tribes recognized by Schuster et al. (2015) are distinguished by different colors, and Fagopyrum hailuogouense was marked in red bold font.
FIGURE 2 in Fagopyrum longistylum (Polygonaceae), a new species from Sichuan, China
FIGURE 2. Morphology of flower and seed of Fagopyrum longistylum. A–B) Morphology of short-styled flower with long anther, C–D) Morphology of immature and mature seed.
FIGURE 4 in Fagopyrum longistylum (Polygonaceae), a new species from Sichuan, China
FIGURE 4. Phylogenetic relationships of the 17 Fagopyrum species inferred from NJ analysis constructed by DNA sequence. A) Phylogenetic tree based on ITS sequence, B) Phylogenetic tree based on matK sequence. The number on the branch displayed the bootstrap support values.
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