Fungal disease that makes potatoes ugly. They can still be eaten, and it supposedly doesn’t reduce crop yield, but infected potatoes won’t store well. There are a few different forms of scab (Common Scab & Powdery Scab). There’s no treatment, but soil moisture & pH levels are ways to manage it. Physical Description Caused by soil-borne […]
Fusarium is a soil-borne fungus that can survive for a decade or more in dormant stages. It enters the plant through roots and invades its water distribution network, where the fungi partially or completely block the vascular tissues, usually by gum-like formations, causing wilting and eventually death of the plant. General Description Widespread fungus that affects a wide […]
Quick Intro Physical Description Bacterial disease of the fruit or tubers of a vegetable, characterized by watery and soft decay of the tissue. Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: caused by several types of bacteria, but most commonly: Erwinia Pectobacterium Pseudomonas Lifecycle These pathogenic bacteria can grow at a wide range […]
Powdery mildew is a common fungal disease that effects many types of plants, and is fairly easy to manage. It causes poor growth and lower yields, but seldom kills the plant. There are many different species of powdery mildew that cause the disease on many different species of plants. See list of species and their […]
Also known as Alternaria Blight. Physical Description Early blight begins as light-colored spots on leaves, eventually leading to the leaves dying and falling off. Google Images Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Alternaria solani Lifecycle Plants Affected tomatoes potatoes peppers (not a serious problem in peppers, but if it appears, […]
Sudden wilting is caused by various reasons, Bacterial Wilt being one of them. Bacterial wilt is caused by different pathogens, depending on whether you are dealing with nightshades (pepper, tomato, potato, eggplant, tomatillos) or cucurbits (cucumber, melons, squash). In tobacco, it is known as Granville Wilt. Since there are various reasons for a plant to […]
Insect-vectored disease spread by thrips. Most common in the southeast Physical Description Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Lifecycle Plants Affected Tomatoes Peppers Plants Unaffected Geographical Range Most common in the southeast Signs & Symptoms Whole Plant black streaks on petioles or stems growing tips are usually severely […]
Curly Top is an insect-vectored viral disease spread by beet leafhoppers, which affects many plants. The beet leafhopper loves warm and dry weather, so that’s when infections are most severe. Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Plants Affected beet family crops: beets, spinach, swiss chard tomato family crops: tomatoes, potatoes, tomatillos, […]