New hosts and diagnostic characteristics of Orobanche crenata (Orobanchaceae) in Egypt

IF 1.1 4区 生物学 Q3 PLANT SCIENCES Acta Botanica Croatica Pub Date : 2023-11-20 DOI:10.37427/botcro-2024-003
Ibrahim Abd el-wahab Mohamed, Mona Hassan, Mostafa Aboulela
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Abstract

The holo-parasitic weed Orobanche crenata Forrsk. is a threat to economically important legumes and vegetables in Mediterranean countries, including Egypt. The crenate broomrape attacks several wild and cultivated plant species, and documentation of new hosts of the parasite is always required. To the best of our knowledge, this study is the first report of parasitism of the crenate broomrape on two ornamental species, Arctotis fastuosa Jacq. and Callistephus chinensis (L.) Nees. (Asteraceae). We also recorded for the first time its parasitism on the wild weeds (Ammi majus L., Lactuca serriola L., and Melilotus indicus (L.) All.) and the cultivated plant species (Carthamus tinctorius L. and Tropaeolum majus L.) from Egypt. The occurrence of O. crenata parasitism was confirmed by the attachment of its haustoria to the roots of host plants. The incidence of crenate broomrape disease was estimated for the seven species. The study also provides a morphological description of the polymorphic O. crenata on the samples from Egypt and determines the most useful characteristics for its easier identification in the field.
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埃及鹅掌楸科(Orobanche crenata)的新寄主和诊断特征
全寄生杂草 Orobanche crenata Forrsk.威胁着包括埃及在内的地中海国家具有重要经济价值的豆科植物和蔬菜。克氏帚蝇会攻击多种野生和栽培植物,因此一直需要记录寄生虫的新宿主。据我们所知,本研究首次报道了圆腹扫帚霉寄生在两种观赏植物 Arctotis fastuosa Jacq.和 Callistephus chinensis (L.) Nees.(菊科)上的寄生。我们还首次记录了它在埃及野生杂草(Ammi majus L.、Lactuca serriola L.和 Melilotus indicus (L.) All.)和栽培植物(Carthamus tinctorius L.和 Tropaeolum majus L.)上的寄生情况。O. crenata寄生在寄主植物根部的菌丝体被证实。估计了这 7 个物种的克氏扫帚病发病率。该研究还对埃及样本中的多态 O. crenata 进行了形态学描述,并确定了最有用的特征,以便在田间更容易地对其进行识别。
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来源期刊
Acta Botanica Croatica
Acta Botanica Croatica PLANT SCIENCES-
CiteScore
2.50
自引率
0.00%
发文量
34
审稿时长
>12 weeks
期刊介绍: The interest of the journal is field (terrestrial and aquatic) and experimental botany (including microorganisms, plant viruses, bacteria, unicellular algae), from subcellular level to ecosystems. The attention of the Journal is aimed to the research of karstic areas of the southern Europe, karstic waters and the Adriatic Sea (Mediterranean).
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