Publications by authors named "Longhai Xue"

Article Synopsis
  • Italian ryegrass in Southwest China was affected by a disease causing black leaf spots, observed in December 2023 with less than 1% incidence in a field in Hongya County.
  • Researchers isolated a fungus from infected plants, cultivating samples on potato dextrose agar which produced cottony, whitish colonies and characteristic conidia.
  • Genetic analysis of two fungal strains (LJH17 and LJH18) confirmed their identity through sequencing of specific gene regions, with sequences submitted to GenBank for further reference.
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Dandelion (), belonging to the Asteraceae family, is one of the main associated species in the alpine meadow, and is famous for its both feeding and medicinal values (Lin et al. 2022; Wang et al. 2022).

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Italian ryegrass ( L.) is widely cultivated as an important forage grass worldwide because of its high nutritional value and good palatability. Anthracnose caused by species was a common and new emerging disease of Italian ryegrass.

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Endophytic fungi can benefit the host plant and increase the plant resistance. Now, there is no in-depth study of how () is enhancing the ability of inhibiting pathogenic fungi in (). In this study, the fungal community and metabolites associated with endophyte-infected (EI) and endophyte-free (EF) were compared by multiomics.

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Italian ryegrass is widely cultivated for the production of forage, hay, and silage because of its high nutritional value and good palatability. Leaf spots caused by fungi pose a serious threat to forage crops. In order to expand the knowledge of fungi causing leaf spots in ryegrass () in Sichuan, Yunnan, Chongqing, and Guizhou of southwestern China, a comprehensive survey was undertaken from 2015 to 2022.

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Green bristlegrass () is an annual dominant herb in arid sandy grasslands with strong drought resistance to water stress (Valença et al. 2020). In August 2021, brown or dark tan spots on the leaves of were observed on natural grassland in Qingyang city, Gansu Province, China (36.

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Italian ryegrass () is widely cultivated for the production of forage, hay and silage worldwide, due to its high nutritional value and palatability (Feng et al. 2021). It has been infected by a number of foliar fungal diseases caused by different fungal pathogens (Xue et al.

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Article Synopsis
  • Italian ryegrass is a well-known forage grass grown extensively in southern China, where a small outbreak of necrotic leaf spots was observed in a large field in April 2021, affecting 1-3% of the plants.
  • Researchers isolated tissue samples from affected leaves and grew fungal isolates, identifying three representative strains based on their characteristics on potato dextrose agar (PDA).
  • Genetic analysis using specific primers revealed that these isolates had over 99.7% sequence identity with a known fungal ex-type isolate, and phylogenetic analysis confirmed their close relationship to previously reported strains.
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is a genus of pathogens that cause leaf damage and a common seedborne fungus of Italian ryegrass ( Lam.). To elucidate the main seedborne species, 36 seed samples of Italian ryegrass were collected; in total, 113 strains, representing 12.

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Italian ryegrass ( Lam.) is one of the most important forage crops in southwestern China. In 2018, a leaf spot was observed in a field of Italian ryegrass in Mengyang, Sichuan province, China (30.

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Oat () is extensively planted as a fodder crop on the vast ranges of northern and northwestern China, and it has become an important supplementary feed for grazing livestock (Yang et al. 2010). has been reported associated with seedling blight in many temperate regions (Imathiu et al.

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In recent years in China, leaf spot caused by species has been an emerging disease of cv. Congo. From 2016 to 2019, typical symptoms, appearing as circular or ovoid, sunken, and brown lesions with a yellow halo, were commonly observed on cv.

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Drechslera leaf spot (DLS) caused by () species is one of the most serious diseases affecting Italian ryegrass () in China. Between 2015 and 2018, this disease was observed in three Italian ryegrass fields in the province of Sichuan, China. Average leaf disease incidence was approximately 1 to 12% but could range up to 100%.

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Brown spot disease caused by species was found on leaves of mulberry ( L.) in Dujiangyan, Sichuan Province, China. Fungal isolates from leaf lesions were identified as six species based on morphological characteristics and DNA analysis of the combined sequences ITS, , , , , and .

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The interaction effects between temperature and soil moisture on Festuca sinensis Keng ex E.B.Alexeev were analysed to determine how F.

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