• Amazone Plants continues the path of organic cultivation

  so much strain on the safety of the employees, on the crops, and on the local environment. It has never been a favourite activity of mine. Biological plant [...] During the initial few years, the anthurium company owned by Lex Scheffers and Fred van Zijl did not immediately have the wind at its back but the business [...] proportion of the growing plants. In the end, everything more or less turned out fine – the plants in 12 cm pots were sold in 14 cm pots in the summer, and

• The journey of sustainable citrus farming in agriculture

  Get to know Balbino Garre Martínez, a grower with over 35 years of experience in citrus and livestock farming. Balbino, along with his two brothers, operates [...] Faced with different pests, he sought alternative solutions, leading to the adoption of biological control methods. He has been actively controlling mealybugs [...] have not only proven to be successful but also reduced the reliance on chemical pesticides. The path to environmental friendly farming Dedicated to sustainable

• Blight of pepper

  from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing root tips promote germination and attract the zoospores [...] plants. The small roots die and brown-black lesions occur on the larger roots. Plants wilt and the crown leaves drop off. Life cycle and appearance of Blight [...] zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia

• Bacterial canker of tomato

  potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent expansion of the [...] then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the xylem vessels become blocked. The bacterium can survive [...] upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease is difficult

• Black rot of carrots

  primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8 years. Damage symptoms [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant [...] 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

• Pierce's disease of grapevine

  along the margin or the tip from early to midsummer. The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning [...] extends to the rest. Eventually, the whole root system is killed and the trees die. Life cycle and appearance of Pierce's disease of grapevine The bacteria [...] but later the growth stops and the plants die, usually within a few years. Citrus fruits: Symptoms are variable interveinal chlorosis of the leaves, resembling

• Root rot of carrot

  dark brown to black lesions of various shapes. The lesions can merge and eventually cover the entire surface of the carrot. The affected areas are firm, shallow [...] is the 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 [...] During humid spells the surviving plants exhibit by necrotic leaf spots Life cycle and appearance of Root rot of carrots The fungus of R. carotae has delicate

• Downy mildew of Cucurbits

  brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the pathogens [...] For most downy mildews, the optimum temperature is around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is [...] Inside the plant, the pathogens produce haustoria, small organs with which the pathogen can take up nutrients from the living plant cells. The pathogens

• Black leg of seedlings

  symptom of a Pythium 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 [...] plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border between air and soil or substrate the plant [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water

• Loose smut of barley

  appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus [...] survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia [...] until head emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut