Disease: Valsa canker

A rapid and efficient in vivo inoculation method for introducing tree stem canker pathogens onto leaves: suitable for large-scale assessment of resistance in poplar breeding progeny

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Researchers developed a faster, easier method to test whether poplar trees can resist stem canker diseases caused by fungi. Instead of using time-consuming tests on woody stems, they inoculated fungal pathogens directly onto leaves and measured disease symptoms after 5 days. This new leaf-based method works just as well as traditional methods but is much quicker and requires fewer resources, making it ideal for testing large numbers of hybrid poplar trees in breeding programs.

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A rapid and efficient in vivo inoculation method for introducing tree stem canker pathogens onto leaves: suitable for large-scale assessment of resistance in poplar breeding progeny

mycolabadmin

Scientists developed a faster and easier way to test whether poplar trees are resistant to stem canker diseases caused by fungi. Instead of using traditional time-consuming stem tests, they inoculate fungal pathogens directly onto leaves, which shows results in just 5 days. This new leaf-based method uses abundant, readily available leaf tissue and can test many poplar breeding candidates quickly and cheaply, making it ideal for developing disease-resistant poplar varieties.

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A rapid and efficient in vivo inoculation method for introducing tree stem canker pathogens onto leaves: suitable for large-scale assessment of resistance in poplar breeding progeny

mycolabadmin

Scientists developed a faster and easier way to test whether poplar trees are resistant to diseases caused by stem canker fungi. Instead of using time-consuming traditional methods that require large stem pieces, the new method uses poplar leaves for testing. The leaf method produces results in 5 days, uses abundant leaf materials, and the results match those from traditional stem testing methods.

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Study on Pathogenesis of Cytospora pyri in Korla Fragrant Pear Trees (Pyrus sinkiangensis)

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Researchers identified Cytospora pyri as the fungus causing a serious canker disease in Korla fragrant pear trees grown in Xinjiang, China. The fungus cannot directly infect healthy bark but requires wounds to enter trees, then spreads rapidly through tissues using powerful cell-degrading enzymes. Understanding these infection mechanisms can help farmers prevent the disease by protecting trees from injuries and maintaining tree health.

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