Research Keyword: latent infection

The dark side of avocados: a review of anthracnose and stem-end rot in postharvest fruit

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Avocados are a valuable global fruit crop, but two fungal diseases—anthracnose and stem-end rot—cause major economic losses by making fruit unmarketable. These fungi infect avocados in the orchard but remain hidden until the fruit ripens, making them difficult to detect and control. Recent advances in detection technology and disease management strategies, including biological controls and natural treatments, offer promising solutions to reduce losses and keep avocados fresh from farm to table.

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Controlled inoculation provides insight into western redcedar resistance to multiple root- and butt-rot pathogens

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Scientists tested western redcedar trees with eight different wood-decaying fungi to understand which ones cause disease and how resistant the trees are. They used two methods to infect young trees in a greenhouse and tracked disease development over 18 months. They discovered that while some fungi caused visible damage, others caused hidden infections that still harmed tree growth even without obvious symptoms. These findings can help tree breeders develop redcedar varieties that better resist these diseases.

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Colletotrichum scovillei and Prospective Biocontrol Agents Isolated from Asymptomatic Olive Trees

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Researchers discovered that olive trees in Greece naturally harbor several species of fungi, including a newly identified disease-causing fungus called Colletotrichum scovillei. More importantly, they found that other fungi living harmlessly inside the olive tissue can protect the plant by fighting against the harmful fungi. Two of these protective fungi, KORD1f and KORD4f, reduced olive anthracnose disease symptoms by 67-73%, suggesting they could be used as natural alternatives to chemical fungicides for olive disease management.

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Characterization of Fungal Pathogens Causing Blueberry Fruit Rot Disease in China

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Researchers in China identified seven different fungi causing blueberry fruit rot disease from samples collected in Guizhou and Fujian provinces. Three of these fungi were found on blueberries for the first time. The study showed that blueberries can suffer from multiple fungal infections at once, both during growth and after harvest, causing significant crop losses. Understanding these different pathogens helps farmers develop better strategies to prevent and manage blueberry diseases.

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Controlled inoculation provides insight into western redcedar resistance to multiple root- and butt-rot pathogens

mycolabadmin

Western redcedar is an economically important tree species suffering from fungal diseases that cause wood decay and significant financial losses. Researchers developed controlled methods to test how resistant young redcedar trees are to eight different decay fungi, finding that some fungi are much more damaging than others. Importantly, they discovered that some infections remain hidden without visible symptoms but still harm tree growth, and these hidden infections can be detected using advanced DNA-based methods. This research will help forest managers and breeders develop redcedar varieties with better disease resistance.

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