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Apple scab is a common disease of plants in the rose family that is caused by the ascomycete fungus Venturia inaequalis. [1] While this disease affects several plant genera, including Sorbus, Cotoneaster, and Pyrus, it is most commonly associated with the infection of Malus trees, including species of flowering crabapple, as well as cultivated apple.
In regions of apple production where the year's weather is conducive to infection up to 70% of the pesticides applied are used to control for the effects of apple scab. [9] While the main host of economic interest are various apple cultivars the other host species are still affected by the pathogen.
Common scab, a plant bacterial disease caused by Streptomyces species; Fusarium head blight, a fungal disease of plants, e.g., grain crops (especially wheat and oats), golf course grass, caused by the several species of Fusarium; Pear scab, a pear fungal disease caused by Venturia pirina or Fusicladium pyrorum
For instance, wild apples were found to have multiple blue mold resistant genes, specifically against Penicillium expansum. [24] The USDA Plant Genetic Resources Unit (PGRU) also conducted phenotypic analysis on M. sieversii seedlings, and has identified various pathogenic resistance including apple scab, fire blight, and cedar apple rust. [21]
It's hard to believe that apple cider was more popular than beer at one time, but there are a lot of core truths about apples you might not be aware of. Fun Facts About Apples That Will Take You ...
Jonagold is triploid, with sterile pollen, and as such, requires a second type of apple for pollen and is incapable of pollenizing other cultivars. [2] It is susceptible to the diseases apple scab, powdery mildew, and fire blight, as well as the physiological disorders bitter pit and sunburn. [2] [3]
On a chilly day, there’s nothing more comforting than curling up under a cozy blanket with a warm cup of tea. But tea offers much more than just comfort and hydration in cold weather. The world ...
Jannik Sinner has accepted a three-month ban from tennis to settle a case which has lingered over the sport for months after he twice tested positive for a banned substance, the World Anti-Doping ...