Publications by authors named "Run Hua Yi"

Ophiopogon bodinieri H.Lév. (Asparagaceae) is a perennial flowering herbaceous plant native to China, and widely cultivated as ornamental plant in South China.

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Jackfruit (Artocarpus heterophyllus) is a tree of the Moraceae family and widely cultivated due to its fruit with diverse medicinal and nutritional properties in China. In June 2022, a serious bark cracking disease was observed on jackfruit in the 2400-acre orchards of Hekou, Yunnan (E103°52'39″ N22°34'14″). The disease mainly harms tree trunks and branches.

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Litsea cubeba (Lour.) Per., named as May Cang, is a rare deciduous evergreen tree and cultivated for its ethnopharmacological properties and medicinal uses.

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Objectives: Antibiotic-resistant bacterial infections are a growing global concern. A natural remedy for bacterial infections could be available in the fruit, but its antibacterial and biochemical properties are not fully known.

Methods: In this study, the biochemical composition and antibacterial, antioxidant, and cytotoxic activities of the Jindu No.

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Article Synopsis
  • Jatropha curcas L., a versatile crop used for disease treatment and environmental restoration, is gaining attention for its oil, which can be used to produce biodiesel.
  • In June 2023, a leaf disease affecting around 60% of J. curcas was reported in Mazhang, Guangdong Province, displaying anthracnose symptoms.
  • The disease was studied by culturing infected tissue on potato dextrose agar, leading to the identification of Colletotrichum sp. through morphological characteristics and genetic sequencing.
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Hylocereus megalanthus (syn. Selenecereus megalanthus), commonly known as Yanwo fruit (bird's nest fruit), is an important tropical fruit, which is popular and widely planted due to its high nutritional and economic value in southern China. In September 2022, a serious stem and fruit canker was observed on Ecuadorian variety of Yanwo fruit plant in a 0.

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Cassava (Manihot esculenta) is a perennial crop of the family Euphorbiaceae, widely cultivated due to its phytopharmacological and economic values in China. In November 2022, a leaf spot disease on cassava was observed in Zhanjiang, Guangdong, China (21.17° N, 110.

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Hylocereus megalanthus (family Cactaceae), commonly known as bird's nest fruit (Yanwo fruit), was a new tropical plant cultivated commercially in south China because of its high nutritional content and sweet taste. In August 2023, damping-off disease of approximately 60% of seedlings was observed at a nursery in Zhanjiang, Guangdong Province (E110°17'46″ N21°9'2″). Stems of infected seedlings exhibited symptoms of water-soaked tissue which caused collapse at the base of the stem and sloughing of necrotic root cortex tissue was observed (Figure 1).

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Bottle palm (Hyophorbe lagenicaulis) is a picturesque evergreen plant in the family Aceraceae, ubiquitously cultivated as an ornamental tree throughout the tropics and subtropics due its attractive shape and small stature. During 2016-2022, brown spots were observed on the leaves of bottle palm on both sides of a campus road in Mazhang, Zhanjiang, Guangdong province (N21°8' 59.9" E110°17' 51.

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Artocarpus heterophyllus, known as jackfruit, was a tropical fruit and cultivated extensively as nutritional and medicinal properties in southern China in recent year. During July 2022, fruit rot was observed on the fruits at the bottom of jackfruit trees in an orchard in Zhanjiang, Guangdong (N21°9' 27" E110°17' 54") 3-4 days after typhoon. The incidence rate of fruit was about 0.

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Eucalyptus urophylla × E. camaldulensis, named Chiwei eucalypt, is a hybrid species widely used in China. Many of its clones are cultivated for afforestation due to cold tolerance, high yield, high strength and disease resistance.

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Dalbergia odorifera T. Chen (Family: Fabaceae) is an endangered, wild and second class key protected tree species in China. It has been cultivated widely in south China because of its valuable rosewood and pharmacological uses.

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Pennisetum sinese Roxb, named king grass or 'sugarcane grass', belonging to the Poaceae family, is widely cultivated in China because of its use for livestock feed, bioenergy, water-soil conservation and phytoremediation. In September 2018, leaf blast on P. sinese was observed in a pasture in Zhanjiang, Guangdong province (21.

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Ficus religiosa L., known as bodhi tree, is an ornamental tree and widely planted as an avenue and roadside tree due to ovate-rounded leaves with narrow, elongated tips. During 2018-2021, circular to oval-shaped leaf spots with pale white centers and brown-black edges surrounded by a chlorotic halo were observed on the leaves of more than 200 bodhi trees all year round in a park in Zhanjiang, Guangdong (N 21°15'22.

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Ophiopogon jaburan (Liliaceae), named white lilyturf, is widely cultivated as an ornamental plant in south China. During 2017-2019, leaf spots on O. jaburan were observed all year in Zhanjiang, Guangdong, China (N21°9'3"; E110°17'47").

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Papaya (Carica papaya L.) is a tropical fruit consumed worldwide due to its nutritional, medicinal and pharmacological properties. In China, papaya was widely planted in Guangdong, Guangxi, Hainan, Yunnan, Fujian and Taiwan provinces.

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Manglietia decidua, named 'Hua manglietia', belonging to the Magnoliaceae family, is one of the most important ornamental plant in China. In 2019 and 2020, an unknown disease caused 3- to 12-month plants of M. decidua to wither and die in the field in Zhanjiang, Guangdong province(N21°9'3";E110°17'47").

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