Powdery mildew is caused by one of the most common fungi that plague gardens. The disease can attack a wide range of plants.
Pierce's disease (PD) is a bacterial disease of grapes named for Newton Pierce, who described the disease in 1892. The bacterium species is Xylella fastidiosa.
The reading displayed on the refractometer is actually not a true measurement of the sugar dissolved in the substance being tested.
Phytophthora blight, also known as late blight, is a fungal disease caused by several species of the genus Phytophthora.
Brix is a measure of the sugar content of a plant or other substance. Brix expresses the weight of dissolved sugar as a percentage of the weight of the entire solution.
Peach leaf curl is a common disease caused by the fungus Taphrina deformans. Besides peaches, susceptible plants include nectarines and almonds. The peach leaf curl fungus spends the winter in the bark and buds of its hosts. It enters new buds as they begin to swell and open in the spring, spread by rain and … Continue reading Peach Leaf Curl
Fortunately, this problem is structural in nature, and therefore will not cause an epidemic.
Fusarium wilt is a disease common to the southeastern United States. It is caused by the fungus Fusarium oxysporum and affects numerous garden plants, including vegetables, small fruits, and flowers. The most susceptible host species include: Tomatoes.Sweet potatoes.Cucumbers.Watermelons. The disease is spread through infected soil. Once it is introduced, it is nearly impossible to get … Continue reading Fusarium Wilt
Fire blight, found across North America, is a disease to be reckoned with. Caused by the bacterium Erwinia amylovora, this blight affects pears, apples, cane fruits, roses, and more.
Downy mildew is caused by parasitic fungi of the family Peronosporaceae, a group of water molds. The resulting disease is quite common in humid climates.