• Blight of pepper

  and fruit rot of peppers and other important commercial crops. Damage symptoms Phytophthora causes root rot, seedling damping off and rot of stems, bulbs [...] Plants wilt and the crown leaves drop off. Life cycle and appearance of Blight of pepper Phytophthora species are very destructive organisms belonging [...] plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia are formed that protrude through the stomata. Secondary

• 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 [...] 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

• Amazone Plants continues the path of organic cultivation

  Plants are at the top end of the market. Biological plant protection is an additional pillar that supports this position. ‘This type of plant protection is a [...] was founded. However, its highly automated production system makes this type of plant protection complex. The plants in the propagation phase enter the [...] crop and control of the thrips is maintained at the right level. The method works fine in this automated production system, which is, of course, very reassuring

• Black sigatoka disease

  brown and ultimately dies. In cases of severe infection leaves may die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered [...] adjacent stomata. Both types of spores can germinate within two or three hours under humid conditions, but infection takes a minimum of two or three days under [...] leaf-spot of banana. Damage symptoms Black sigatoka (Mycosphaerella fijiensis ) first causes small, light yellow spots or streaks on leaves of about one

• Cut flowers

  cut flowers. This concerns various types. Origin, cultivation method and substrate differ greatly. Important types are: Rose: The rose belongs to the genus [...] the Rosaceae family. The flowers of the plant are also called rose. There are more than a hundred species and thousands of different cultivars. Hydrangea [...] graceful funnel-shaped hybrids, descended from a number of freesias. Lily : Lilium is a genus of herbaceous flowering plants. Most lilies originate from

• Wheat bunt

  sporidium. Two mating types are distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped [...] laevis cause diseases such as common wheat bunt, stinking smut, karnal bunt of wheat. Damage symptoms Plantsinfected by Tilletia tritici and Tilletia laevis [...] like fish, hence the common name stinking bunt. Life cycle and appearance of Wheat bunt Tilletia tritici and Tilletia laevis survive as teliospores in

• Dwarf bunt

  appearance of Dwarf bunt Tilletia controversa survives as teliospores in the soil or on seed. The soil-borne teliospores are the main source of primary infection [...] cal point of view. The teliospores germinate in response to moisture and form basidiospores, also called primary sporidium. Two mating types are distinguished [...] The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate directly

• Wheat

  particular type of fruit referred to as caryopsis. Wheat originates from southwestern Asia, or more specifically the Levant region that lies east of the Me [...] the end of May to the beginning of June. This flowering period is rather long (usually lasting longer than a week), because not all flowers of one single

• Anthurium

  variety of colours. However, the ‘flower’ is actually an altered leaf (also called spathe) with many flowers on the spadix. Standard varieties of anthuriums [...] heart-shaped spathes. In many markets, red is the most popular colour. Other types include the obake anthuriums which are larger than the standard ones and

• Cercospora leaf spot

  many species of Cercospora species depending on the plant type infected. Infected seeds, infected plants and plant debris are primary source of infection [...] the rate 1.25 to 1.5 ml per litre of water at 12-15 days intervals as preventative spray and or after recognition of the disease symptoms. Symptoms Leaf [...] Secondary spread is through air borne conidia. High humidity favours the spread of the disease and severity. The fungus has the ability to overwinter in plant