There are two diseases that generally affect trees in the landscape this time of year. One common bacterial disease is called fireblight, which affects certain fruiting pear and apple varieties. Bees spread the fireblight bacterium as they visit the flowers in the spring.f, on the other hand, the tree is young, with only a small amount of the tree affected, then judicious pruning is in order. Bradford ornamental pear or Bradford âCalleryâ pear does not get fireblight but the symptoms look similar to fireblight. The disease is called cedar-quince rust, which is a fungus disease.
What Does the Research Have to Say About Black Currant Oil? A major benefit for those who use black currant oil is the abundance of antioxidants that are found in the berry fruit. These antioxidants are present in the form of polyphenol. While research surrounding black currant oil use in the treatment of hair loss is minimal, there have been a number of studies done on the benefits that polyphenols provide.
Black currant (Ribes nigrum L., Grossulariaceae) is known to contain high amounts of anthocyanins (250 mg/100 g fresh fruit). Black currant fruits have been used in Asian and European traditional medicine for the treatment of a variety of diseases.he aqueous extract yielded an anthocyanin-rich fraction with cyanidin-3-O-rutinoside as one of the major anthocyanins. This fraction exhibited a potent cytotoxic effect on HepG2 cells and this effect was more pronounced than that of delphinidin and cyanidin, two major aglycones of anthocyanins present in black currant.