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70 results for “cucumis”
Cucumis melo L. (BR0000011918134)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis melo L. (BR0000012364633)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis melo L. (BR0000014466908)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
FIG. 2 in The wild species of Cucumis L. (Cucurbitaceae) in South-East Asia
FIG. 2. — Cucumis hystrix Chakrav.: A, B, node with male inflorescence;C, detail of lower surface of leaf blade; D, male flower, just expanding; E, male flower, opened; F1-F4, stamens, seen from inside and outside respectively; F1, F2, one-thecous stamen; F3, F4, two-thecous stamen; G, node with female flower; H, female flower; I, female flower, opened; J, node with fruit; K, seed. A-F,J, K, Phonsena, De Wilde & Duyfjes 3931; G-I, Phonsena, De Wilde & Duyfjes 3963. Scale bars: A, 2 cm; G, J, 1 cm; B, H, I, 3 mm; C, F1-F4, K, 1 mm; D, E, 2 mm.
FIG. 1. — Cucumis debilis W.J in The wild species of Cucumis L. (Cucurbitaceae) in South-East Asia
FIG. 1. — Cucumis debilis W.J.de Wilde & Duyfjes: A, twig with male inflorescences; B, node with young fruit, note long fruiting pedicel; C, D, male flower, from outside and opened respectively. Pételot 2193. Scale bars: A, B, 2 cm; C, D, 2 mm.
FIG. 3 in The wild species of Cucumis L. (Cucurbitaceae) in South-East Asia
FIG. 3. — Cucumis hystrix Chakrav.: A, male flower; B, C, female flowers from different individuals, differing in indumentum of the ovary; D, fruits. A, C, Phonsena, De Wilde & Duyfjes 3963; B, Suddee, De Wilde & Duyfjes 2421; D, Suddee, De Wilde & Duyfjes 2505.
QTL mapping and marker development for tolerance to sulfur phytotoxicity in melon (Cucumis Melo)
<p><span>Elemental sulfur is an effective, inexpensive fungicide for many foliar pathogens, but severe phytotoxicity prohibits its use on many melon varieties. Sulfur phytotoxicity causes chlorosis and necrosis of leaf tissue, leading to plant death in the most sensitive lines, while other varieties have little to no damage. A high-density, genotyping-by-sequencing (GBS)-based genetic map of a recombinant inbred line (RIL) population segregating for sulfur tolerance was used for a quantitative trait loci (QTL) mapping study of sulfur phytotoxicity in melon. One major (qSulf-1) and two minor (qSulf-8 and qSulf-12) QTL were associated with sulfur tolerance in the population. <a name="_Hlk40443716">The development of Kompetitive Allele-Specific PCR (KASP) markers developed across qSulf-1 decreased the QTL interval from 239 kb (cotyledons) and 157 kb (leaves) to 97 kb (both tissues). </a>The markers were validated for linkage to sulfur tolerance in a set of melon cultivars. These KASP markers can be incorporated into melon breeding programs for introgression of sulfur tolerance into elite melon germplasm.</span></p> <p> </p> <p> </p>
Data from: Mapping resistance to Alternaria cucumerina in Cucumis melo
Infection with Alternaria cucumerina causes Alternaria leaf blight (ALB), a disease characterized by lesion formation on leaves, leading to substantial yield and quality losses in Cucumis melo (melon). While fungicides are effective against ALB, reduction in the frequency of application would be economically and environmentally beneficial. Resistant melon lines have been identified but the genetic basis of this resistance has not been determined. A saturated melon genetic map was constructed with markers developed through genotyping-by sequencing of an MR-1 (resistant) by Ananas Yokneum (susceptible Israeli cultivar) a recombinant inbred line (RIL) population (F6-F10; N=82) derived from single seed descent of a F2 population from a cross between the ALB resistant parent MR-1 and the ALB susceptible parent Ananas Yokneum. The population was evaluated for A. cucumerina resistance with an augmented block greenhouse study using inoculation with the wounded-leaf method. Multiple quantitative trait loci (QTL) mapping identified two QTL that explained 33.9% of variation in lesion area. Several candidate genes within range of these QTL were identified using the C. melo v3.5 genome. Markers linked to these QTL will be used to accelerate efforts to breed melon cultivars resistant to ALB.
Figure 6. Beroe cucumis. A in Revision of Beroidae (Ctenophora) in the southern seas of Europe: systematics and distribution based on genetics and morphology
Figure 6. Beroe cucumis. A, aboral end (photo A. Semenov); B, oral view with mouth; C, adult ctenophore from the White Sea (photo A. Semenov); D, adult ctenophore from the Great Belt (photo H. U. Riisgård from Shiganova et al., 2014b).
FIGURE 5. Cucumis sativus. A in Morphology and distribution of species of the family Cucurbitaceae in Akwa Ibom State, Nigeria
FIGURE 5. Cucumis sativus. A. Fruiting plant in habitat. B. Morphological features showing (A) Flower section. (B) Tendrils. (C) Leaf. (D) Fruit. (E) Seed.
Data for: Metagenomics show high spatiotemporal virus diversity and ecological compartmentalisation: virus infections of melon, Cucumis melo, crops and adjacent wild communities
<p>Emergence of viral diseases results from novel transmission dynamics between wild and crop plant communities. The bias of studies towards pathogenic viruses of crops has distracted from knowledge of non-antagonistic symbioses in wild plants. Here we implemented a high throughput approach to compare the viromes of melon (<em>Cucumis melo</em>)<em>, </em>and wild plants of crop (Crop) and adjacent boundaries (Edge). Each of the 41-plant species examined was infected by at least one virus. The interactions of 104 virus operational taxonomic units (OTUs) with these hosts occurred largely within ecological compartments of either Crop or Edge, Edge having traits of a reservoir community. The positive correlation of virus and plant richness at each site, the tendency for increased specialist host use through seasons, and specialist host use by OTUs observed only in Melon, characterised local-scale patterns of infection. In this study of systematically sampled viromes of crop and adjacent wild communities most hosts showed no disease symptoms, suggesting non-antagonistic symbioses are common. The coexistence of viruses within species-rich ecological compartments of agro-systems might promote the evolution of a diversity of virus strategies for survival and transmission. These communities, including those suspected as reservoirs, are subject to sporadic changes in assemblages, and so too are the conditions that favour the emergence of disease.</p>
Fig. 4 in Identification of seven undescribed cucurbitacins in Cucumis sativus (cucumber) and their cytotoxic activity
Fig. 4. Cucurbitacins induced caspase apoptosis pathway activation in HepG2 cells. (A) Apoptosis induction effects of four cucurbitacins on HepG2 cells. The cells were treated with each cucurbitacin for 24 h, and stained with Hoechst 33258 for cell apoptosis assay. Arrows, chromatin condensed HepG2 cells. (B) Quantitative data of panel A, percentage of apoptosis cells is shown. **P <0.01, ***P <0.001, student t-test. (C) Inhibition effects of four cucurbitacins in caspase apoptosis pathway on HepG2 cells. The cells were treated with each cucurtibitcin for 24 h, respectively, and the major apoptosis-related proteins (PARP, cleaved PARP, Caspase-9, Caspase-8 and Caspase-3) were detected by Western blot. β-actin was used as internal reference. (D) Quantitative data of panel C, expression levels of apoptosis-related proteins are shown. **P <0.01, ***P <0.001, student t-test.
Data from: Mapping resistance to Alternaria cucumerina in Cucumis melo
Open the record for dataset details and reuse information.
Data for: Metagenomics show high spatiotemporal virus diversity and ecological compartmentalisation: virus infections of melon, Cucumis melo, crops and adjacent wild communities
Open the record for dataset details and reuse information.
QTL mapping and marker development for tolerance to sulfur phytotoxicity in melon (Cucumis Melo)
Open the record for dataset details and reuse information.
Cucumis sativus L. (BR0000012107896)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis myriocarpus Naudin (BR0000011917144)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis myriocarpus Naudin (BR0000011917199)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis myriocarpus Naudin (BR0000011918851)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cucumis melo L. (BR0000012107902)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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