cucurbita argyrosperma/necrosis

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First Report of Natural Occurrence of Zucchini Lethal Chlorosis Tospovirus on Cucumber and Chrysanthemum Stem Necrosis Tospovirus on Tomato in Brazil.

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During a field survey in 1994, five cucumber (Cucumis sativus) cv. Hokushin plants showing symptom of yellowing, mottling, and vein banding on the leaves were collected from a commercial field of the Federal District. By electron microscopy, quasi-spherical particles with double membrane, typical

A New Natural Host of Lisianthus necrosis virus in Taiwan.

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Lisianthus necrosis virus (LNV) was first identified as a fungus-borne virus that induced systemic necrosis in lisianthus (Eustoma russellianum) in Japan (2). In Taiwan, LNV causes systemic bright yellow chlorosis followed by necrosis in lisianthus (1). The disease was able to spread through the

Evaluation of Cucurbita maxima extract against scopolamine-induced amnesia in rats: implication of tumour necrosis factor alpha.

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Cucurbita maxima (CM) seed oil is commonly used in Indian folk medicine to treat various ailments. We have investigated the effect of CM seed oil on memory impairment induced by scopolamine in rats. Male adult Wistar rats were administered scopolamine 1 mg/kg body weight, i.p. or 1.25 mg/kg body

Expression of Pumpkin CmbHLH87 Gene Improves Powdery Mildew Resistance in Tobacco.

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Powdery mildew (PM), caused by Podosphaera xanthii, is a major threat to the global cucurbit yield. The molecular mechanisms underlying the PM resistance of pumpkin (Cucurbita moschata Duch.) are largely unknown. A homolog of the basic helix-loop-helix (bHLH) transcription factor was

Improved Powdery Mildew Resistance of Transgenic Nicotiana benthamiana Overexpressing the Cucurbita moschata CmSGT1 Gene.

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Powdery mildew (PM), which is mainly caused by Podosphaera xanthii, is a serious biotrophic pathogen disease affecting field-grown and greenhouse-grown cucurbit crops worldwide. Because fungicides poorly control PM, the development and cultivation of PM-resistant varieties is critical. A

Identification of Carnation mottle virus from Lisianthus Plants in Taiwan.

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Lisianthus (Eustoma exaltatum (L.) Salisb. ex G. Don subsp. russellianum (Hook.) Kartesz) is an economically important ornamental crop in Taiwan. Over the past decade, nine viruses have been identified or detected in lisianthus including: Bean yellow mosaic virus (BYMV), Lisianthus necrosis virus

First Report of Watermelon mosaic virus Infecting Melon and Watermelon in Bosnia and Herzegovina.

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Hereby the expansion of host range of Watermelon mosaic virus (WMV, Potyvirus, Potyviridae), found previously on zucchini in Bosnia and Herzegovina (3), to two new hosts is reported. Also, this is the first finding of WMV "emerging" (EM) isolate causing more severe symptoms in some

First Report of Bacterial Fruit Blotch of Watermelon Caused by Acidovorax avenae subsp. citrulli in Hungary.

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Typical bacterial fruit blotch (BFB) symptoms were observed on cvs. Crisby, Suzy, Top Gun, and Lady watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai.) fruits in southeastern Hungary (Medgyesegyháza) in July 2007 when the mean maximum daytime temperature was greater than 32°C. Approximately

Coriander: A New Natural Host of Groundnut Ring Spot Virus in Brazil.

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Coriander plants (Coriandrum sativum L. 'Palmeira'), showing stunting, chlorotic ring spots, necrosis, and malformation of apical leaves were observed on 50-day-old-plants in July 1998 in one seed production field at Petrolina, State of Pernambuco, Brazil, but not in nearby fields. Leaf samples were

Cucumber (Cucumis sativus L.) and kabocha squash (Cucurbita moschata Duch).

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We established improved methods for Agrobacterium-mediated transformation of cucumber (Cucumis sativus L.) and kabocha squash (Cucurbita moschata Duch). Vacuum infiltration of cotyledonary explants with Agrobacterium suspension enhanced the Agrobacterium infection efficiency in the proximal regions

First Report of Papaya ringspot virus W in Sponge Gourd from India.

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During August 2004, symptoms resembling a virus disease were observed in commercial cultivation of sponge gourd (Luffa cylindrica (L.) M. Roem. [cv. Chikni]) in Pune, India. Affected plants exhibited mosaic mottling, vein banding, and downward marginal curling on leaves. The incidence of disease was

Natural Infection of Citrullus colocynthis by Papaya ringspot virus-W in Iran.

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Papaya ringspot virus (PRSV, genus Potyvirus, family Potyviridae) is economically important due to its worldwide distribution and because it can cause serious losses in both cucurbit crops and papaya (3). PRSV has been previously reported from cucurbit crops in Iran (2). In Khuzestan Province,

First Report of Squash vein yellowing virus Affecting Watermelon and Bitter Gourd in Puerto Rico.

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In 2005, symptoms of watermelon vine decline (WVD) were observed on a 200-acre watermelon farm in Santa Isabel, on the south central coast of Puerto Rico. WVD symptoms included leaf curling, mosaics, and internode necrosis. In early growth stages of WVD, reduced vigor and plant stunting occurred. At

Improvement of depressive behavior by Sweetme Sweet Pumpkin™ and its active compound, β-carotene.

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OBJECTIVE Sweetme Sweet Pumpkin™ (SSP, baked Cucurbita moschata Duch.) has been used to treat patients with depression in Korea. However, the role of SSP in improving depression has not been elucidated yet. Thus, we assessed the antidepressant-like effect of SSP and its active compound, β-carotene,

Cucurbita moschata Duch. and its active component, β-carotene effectively promote the immune responses through the activation of splenocytes and macrophages.

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Cucurbita moschata Duch. has long been used for traditional health food in many countries. However, to enhance the immune system of Cucurbita moschata Duch. and its major component, β-carotene is not clear. Here, we determined the immune enhancement effect of Cucurbita moschata Duch. and β-carotene

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