Rhizoctonia solani

that are in or close to the soil. Early infection of the growing tips of the roots shortly after germination causes death of seedlings (‘damping-off’), both [...] collar of fungal mycelium occurs at the base of the stem. This crown rot may result from root infection or from direct infection of the foot. The fungus [...] appearance of Thanatephorus cucumeris The mycelium infects the plant through wounds or the stomata but also directly through the cuticle after the formation

Aphidius matricariae

stripes on side parts of the wasp waist. Aphidius matricariae is specific to aphids of the family Aphididae. Most species belong to the genera Myzus, Aphis [...] density and should always be adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically [...] appearance of Aphidius matricariae Adults are 3-4 mm golden brown wasps with long antennae. Characteristic for the distinction of the species are the fine stripes

Fusarium spp.

inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most [...] ) is the species that causes vascular wilt. Initially, the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts [...] towards the foot of the plant and enters the vascular system. Inside the vessels, the fungus produces mycelium and many spores (microconidia), which are

FAQ Nematodes

can be host to this group of nematodes. By far the most nematodes belong to the group of saprophytes. These nematodes are harmless and live of dead organic [...] causes the host to be converted into food for the nematodes. This food enables the nematodes to complete their life cycle. Are there different types of en [...] efficacy will be strictly connected to survival time on the leaves. To ensure the best results, we therefore recommend to use the nematodes when: • • • • Relative

Tropicals

countries this group of plants is often referred to as ‘Green Potted Plants’. In colder climates north of the equator, tropical plants are often grown [...] About The definition of ‘Tropical Plants’, are plants that grow naturally in a tropical climate. Tropical plant is a typical north American term, whereas [...] than regular plants. Tropical plants also come in both blooming and foliage plants. Bromeliads, palms, and orchids are considered tropical plants. Contrary

Orchid

About The orchid is part of an extremely large and diverse group of flowering plants, the Orchidaceae or the orchid family . The plant’s flower are usually [...] 763 genera. Orchidaceae and Asteraceae are the largest families of flowering plants. In addition, the flowers of orchids come in many different arrangements [...] have a single flower, but most plants have a racemose inflorescence, which can consist of many flowers. The majority of orchids which are commercially

Fusarium wilt

inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most [...] oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other [...] place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium

Asian citrus psyllid

through most of the southern states and Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is [...] asiaticus that cause the fatal citrus disease called citrus greening or huanglongbing (HLB). Nymphs and adults of the psyllid take the bacteria into their [...] disease called greening disease or Huanglongbing. It is widely distributed in southern Asia and the disease is responsible for the destruction of several citrus

Rose

About The rose ( Rosa) belongs to the genus Rosa of the family Rosaceae. Rose also refers to the flowers the plant bears. There are more than one hundred [...] sharp thorns. The flowers of the rose plant can vary in shape and size, but are often ornate and bright colored. Colors range from white to yellow, pink [...] hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which usually develops as a shrub, climbing or trailing with

Soybean

its edible beans. The fruit of the plant is a hairy pod, that grows clustered in small bunches of three to five pods. Each pod measures between 3-8 centimetres [...] About The soybean ( Glycine max ) (North America) or soya bean is a so-called legume and indigenous to East Asia. It is extensively cultivated for its [...] seeds vary greatly in size and the hull can be black or brown, but also blue, yellow or green. When planting soybean plants, there is considerably more protein