Pear Rust | Oklahoma State University - OSU Extension
The rust on pear trees (Pyrus spp.) is caused by several different fungi in the genus Gymnosporangium. Rust fungi in this genus have complicated life cycles that alternate between two different hosts.
Pear trees are planted in the landscape for their ornamental spring blooms or edible fruits. They are tolerant of most soils and adapt readily to many regions. However, pear trees are susceptible to a disease called pear rust that causes spots on leaves and destruction of the fruit. The disease can cause premature leaf drop and total crop loss.
Gymnosporangium asiaticum (Japanese pear rust) | CABI …
2020年12月10日 · Pear and apple rusts in Japan, with special reference to their life cycles and host ranges. Report of the Tottori Mycological Institute 22:108-119. Google Scholar
Gymnosporangium asiaticum (Japanese pear rust)
Suppression of the alternate host (J. chinensis) within a certain radius of orchards is recommended, but may be difficult as it is often present in private gardens. The rust is a serious pathogen of Pyrus pyrifolia in the Far East.
Rust Disease and Bradford Pears - Tulsa Master Gardeners
2021年3月23日 · There are a variety of rust diseases such as cedar-apple rust, Asian pear rust, cedar-hawthorn rust, and cedar-quince rust to name a few. While these diseases are not terribly harmful to their host, they can diminish the vitality of the …
Orange rust on Asian pears #573310 - Extension
2019年6月23日 · What causes the orange rust on Asian pears and how can I get rid of it. I didn't have a problem last year and the pairs are really good.
Biological control of the Japanese pear rust mite, - Springer
2021年7月17日 · The Japanese pear rust mite, Eriophyes chibaensis Kadono (Acari: Eriophyidae), is a serious pest of Japanese pear, Pyrus pyrifolia (Burm. f.) Nakai, because it feeds on current shoots and induces russet damage (Kadono 1995). Shoots of Japanese pear grow until early summer.
First report on DMI fungicide resistance in - Springer
2018年9月21日 · These results indicate the occurrence of Japanese pear rust resistant to DMI fungicides in Fukuoka Prefecture. Japanese pear (Pyrus serotina Rehder var. culta Rehder) is one of the most popular fruits in Japan and is widely cultivated throughout the country, except in Okinawa Prefecture.
Japanese pear rust (Gymnosporangium asiaticum)
2008年8月5日 · Image 1949019 is of Japanese pear rust (Gymnosporangium asiaticum ) fruiting bodies on Japanese pear rust. It is by Central Science Laboratory, Harpenden at British Crown. Aecidia (Roestelia stage) of Gymnosporangium asiaticum on pear.
These results indicate the occurrence of Japanese pear rust resistant to DMI fungicides in Fukuoka Prefecture. Japanese pear (Pyrus serotina Rehder var. culta Rehder) is one of the most popular fruits in Japan and is widely culti-vated throughout the country, except in …
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