Corn rootworm

hatching start in the middle of May and continues until the begin of July, with the presence of larvae peaking around the middle of June. The whitish-coloured [...] feeding on the silk of the female flowers, can cause flower abortion and, in the case of heavy infestations, significantly reduce the number of seeds. During [...] development of toxic fungi in the cob, with the resulting production of mycotoxins. Life cycle and appearance In Europe, the western corn rootworm produces

Corn earworm

lays small quantities of eggs, between one and three, in the hairs of green ears of corn. The larvae feed on the hairs of the young corn and on the young kernels [...] flowers and fruit from the host plant, as well as on the corn of immature cobs and ears. Adults of corn earworm are nocturnal, since they react to light radiation [...] open the crop to detect the pest. Life cycle and appearance of the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before

Northern Corn Rootworm

Canada, the northern corn rootworm is the most common species found on corn. While adult Diabrotica barberi can feed on a variety of plants, their larvae [...] northern corn rootworm beetles feed on the foliage, pollen, silks and developing kernels of corn, with the following consequences: When corn silks are [...] General Corn rootworms ( Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over

Common asparagus beetle

General The common asparagus beetle ( Crioceris asparagi ) is a major, host-specific pest of asparagus in most asparagus producing regions of the world. [...] contaminate the plant. Life cycle and appearance of Common asparagus beetle The life cycle of the asparagus beetle has the following stages: egg, 4 larval instars [...] adults and larvae feed on the leaves of asparagus. As the larvae feed, they secrete a blackish fluid, consisting of faecal material, which may contaminate

European corn borer

symptoms Horizontal rows of holes in the young leaves, caused by larval feeding, provide an early indication of European corn borer attack. Later, frass [...] fewer kernels per ear. Life cycle and appearance of European corn borer The adults have a wingspan of 22-32 mm and pale yellowish to olive brown forewings [...] General The European corn borer ( Ostrinia nubilali s), is a severe pest of maize and has also been reported to attack apple, strawberries, peppers and

Disease control

Plant Disease Management

What is biological disease control? Biological control of plant diseases is a method used to manage and reduce the impact of plant diseases by utilizing beneficial [...] disrupts disease cycles and reduces the buildup of pathogens in the soil. Disease-resistant varieties Another vital aspect of prevention is the use of dise [...] pathogens Preventing plant diseases Effective prevention of plant diseases involves several key practices. Monitoring Regular monitoring of your plants is vital

Black leg of seedlings

infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to [...] temperatures and causes among others cereal diseases. Damage symptoms Pythium affects roots, in particular those of seedlings. Infected plants lag in growth [...] and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection

Root rot of carrot

exhibit by necrotic leaf spots Life cycle and appearance of Root rot of carrots The fungus of R. carotae has delicate, simple morphological features hence [...] for acidic conditions may explain the concentration of this disease in the rather acidic soils (of southwestern Norway). Spore germination was inhibited [...] only host plant of the fungus. How to prevent root rot of carrot Studies have shown that 3several key factors influencing the occurrence of blemishes and

Black rot of carrots

appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary [...] infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can spread to the flowers (especially [...] crop residues and cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8