• Black bean aphid

  in the leaves is reduced, affecting production. Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless [...] General The black bean aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous [...] through the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant. Nymphs and adults

• Buckthorn-potato aphid

  Buckthorn- potato aphid does not cause plant deformation. The major problem in potatoes is the transmission of viruses. Life cycle and appearance of Buckthorn-potato [...] half the body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their [...] Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction

• Certainty in the quality of every sachet and bottle of our predatory mites

  April 16, 2025

  worldwide distribution, every step of the process is carried out with rigorous standards. Bertha highlights the importance of the cold chain during transportation [...] ensuring the quality of the predatory mites that Koppert produces and imports. Her work involves verifying the quantity, activity, and capability of these [...] designed to maintain the viability of these beneficial organisms until their release in the field. Science and experience as the keys to success Bertha's

• Cannabis Aphid Prevention Strategies

  July 12, 2024

  Biocontrol is typically out of the question for preventing the Cannabis Aphid because of the return on investment. When strictly practicing the exclusion [...] of this pest with current available tools is exceptionally difficult. Health Canada regulations restrict the use of commonly used aphid insecticides that [...] another growing facility. Inspection of clones is vital as aphids inconspicuously hide on the stem, under a leaf or in the growing tip. In addition, because

• Navigating the Whitefly Battle

  March 6, 2024

  spraying it at the tops of the tomato heads, taking most of the adults out of the equation. The parasitoids will be working lower in the crop where the L3/L4 [...] , it may also sting the mesophyll of the plant (the part of a leaf between the two thin surface layers), potentially damaging the fruits. It requires abundant [...] to as the crawler stage and the fourth larval stage considered the pupal stage. Below are the differences between the Greenhouse Whitefly and the Bemisia

• A life-long commitment to help growers thrive with sustainable growing practice

  December 10, 2024

  future ‘The future holds many challenges and one of them is the severe reduction in the use of chemical agents. In fact, a lot of them are going to disappear [...] different types of crops grown both locally and abroad. The connection between product, crop and consultant is close, so that the produce is optimal by harvest [...] strategies in horticulture. We have the most experienced consultants in the industry with years of practice in the field. We know our natural products

• Chula Brand is a pioneer in biological pest control in papaya

  for the health of the crop, its workers and the final consumer, who now can enjoy a product that is completely safe for consumption. The future of biological [...] part of an integrated pest management strategy (IPM). Although understanding the adaptability of insects in open field and the preventive approach of natural [...] friendly one. What was the most challenging at the beginning to reach the biological management we currently have, was to understand the adaptability of insects

• Root rot of carrot

  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 [...] 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 [...] after which whole sections of the leaf will die off. The fungus appears to prefer older tissue. In the field, the disease is difficult to distinguish from

• 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 [...] 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 required. Inside [...] directly and the germ tubes infect the plants either through the stomata or directly by penetrating the cuticula. For germination free water is required.

• Black rot of carrots

  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 [...] 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 [...] cause 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