Symphylans are very small, white, many segmented organisms that you may see in your soil when you pull up a struggling plant. You will notice them darting and scurrying quickly about the root ball or seedling plug. They are also known as symphlans, or “symphys”, pseudocentipedes, or garden centipedes, even though they are not centipedes. They are […]
Also referred to as: Spotted Cucumber Beetles, Striped cucumber beetles, western striped cucumber beetle, southern corn rootworm, Western corn rootworm beetles Acalymma spp., Diabrotica undecimpunctata Physical Description: Light green to yellow little beetles with stripes or spots (very much like a ladybug, but with yellow-green instead of red background). Striped cucumber beetles can overwinter in […]
[Intro text] Botanical Information Taxonomy Zea mays Poaceae family History Physical Description Varieties & Cultivars Categories or Types of Corn Colors Available Varieties (link to ../category/cultivars/tag/Corn) Growth Requirements Climate & Temperature Requirements Air Temperature Soil Temperature Humidity Day Length or Light Requirements Site Conditions Favored Soil Requirements Soil Texture pH Nutrient Requirements Propagation Methods of […]
The seedcorn maggot (Delia platura) is a pest that eats seeds and seedlings, and is prevalent in the spring after a wet period. It is in the same genus as the cabbage maggot, and looks the same. It is also known as the larva of the bean seed fly. It is abundant in California, primarily in […]
The genus Delia is a group of flies that are pests to many agricultural crops, primarily in their larval, or maggot, stage. Many individual pest pages redirect here. Physical Description Egg eggs are small and white (~1mm) some of the species’ eggs are slightly curved with a bluntly rounded end Larva Cabbage Maggot images from Google […]
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 […]
Various fungi cause leaf blight. Plants affected: corn dill, parsley and other herbs symptoms: dark spots with yellow borders on leaves; leaves may turn yellow or drop off as the disease progresses control: spray foliage with fish emulsion or with sulfur to prevent the spread of mild infections (OGHB) fig lawns onion strawberries
Flea beetles, part of the Chrysomelidae family,are tiny black or brown-bronze beetles that jump like a flea, and leave tiny holes or divots in the leaves. They seem to especially love eggplant leaves. Fruits, like eggplant, also get damaged with scarring from the flea beetles feeding. Productivity is also reduced because they love the new leaves, growing tips […]