Sweet Cherry Tree Genotypes and Wood Decay Fungi
Author Information
Author(s): Claudio Osorio-Navarro, Constanza Saez, Felipe Durán, Mauricio Rubilar, Paula Reyes-Bravo, Madelaine Azócar, Verónica Estrada, Marcela Esterio, Jaime Auger
Primary Institution: Universidad de Chile
Hypothesis
Different sweet cherry tree genotypes exhibit varying levels of susceptibility to the wood decay fungi Cytospora sorbicola and Calosphaeria pulchella.
Conclusion
The study found that the Regina variety of sweet cherry is the most susceptible to wood decay fungi, while the Lapins variety is the least susceptible.
Supporting Evidence
- The study identified significant differences in wood necrosis among the cherry tree varieties.
- Regina showed the highest average lesion size from Cyt. sorbicola infection.
- Cal. pulchella caused more extensive necrosis than Cyt. sorbicola across all varieties.
- PCR-HRM methods were developed for rapid identification of the fungi.
- Lapins and Bing were less susceptible to both fungi compared to Regina.
- The study highlights the need for variety-specific management strategies for cherry orchards.
- Sweet cherry orchards in Chile are significantly affected by these wood decay fungi.
- Different cherry varieties have unique genetic backgrounds influencing their susceptibility.
Takeaway
Some types of cherry trees get sick from certain fungi more than others, and scientists found that one type, called Regina, gets sick the most.
Methodology
The study involved inoculating one-year-old sweet cherry trees with two types of fungi and measuring the resulting wood necrosis.
Potential Biases
Potential bias may arise from the selection of specific cherry tree varieties and environmental conditions in the study.
Limitations
The study was limited to specific cherry tree varieties and may not represent all varieties or conditions.
Participant Demographics
The study focused on one-year-old sweet cherry trees of four different varieties: Santina, Lapins, Bing, and Regina.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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