• Green peach aphid

  symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can transmit at least [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this

• Spidend

  n Open the bottle and position it straight in the crop (on the slab or directly on the ground). Make sure the bottle does not fall so that the pupae are [...] are not dispersed. Leave the cap next to the bottle so that the wasps can feed on the sugar water in the felt inside it. The wasps will emerge and scout [...] necessary, the product can be stored for 1-2 days. Storage temperature 12-14°C/54-57°F. Storage conditions In the dark. Recommended for you Feltiella acarisuga

• Outdoor crops pollination advice

  depends on the crop and the presence of other pollinating insects. Position the hive horizontally, so that the bumblebees always have access to the sugar [...] days before the flowering period begins. The bees will start pollinating as soon as the flowers open. Ensure that the hive is positioned in the crop immediately [...] humans and bumblebees during the flowering period. You can achieve this by placing the hive on a crate or stack of stones. Additionally, remove any flowering

• Pepino mosaic virus

  all can cause significant economic losses if not properly managed. Key symptoms of Pepino Mosaic Virus (PepMV) Symptoms can vary depending on the strain [...] clothing, and plant contact. Even minimal contact can infect new plants. Survival The virus can persist on surfaces, equipment, and plant debris, leading [...] against PepMV US1. This approach is based on the principle of cross-protection, where: A mild virus strain occupies the plant It prevents infection by more severe

• Cerall, a powerful seed treatment solution against seed-borne diseases in cereal crops

  year after application. Once the seeds have been sown, Pseudomonas chlororaphis MA 342 remains active on the roots until the fifth leaf development stage [...] After the application of Cerall, a biofilm is created around the seed. The metabolites already present in Cerall have a direct inhibitory effect on various [...] various fungal diseases present on the seeds. The bacteria present in Cerall will stay inactive when the seeds are stored dry. After sowing, when water av

• Onion thrips

  of the adult depends on the food source. Onion thrips (Thrips tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers [...] piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves [...] General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions,

• Spidex Vital Plus – Effective spider mite control in a sachet

  provides you with more time to focus on other areas of work. The sachet application is more time efficient, which offers potential savings on labour. Easy [...] hotspots no chance The innovative rearing system created by the sachets of Spidex Vital Plus allows Phytoseiulus persimilis to multiply in the sachet and disperse [...] break out further and the hotspots are eventually completely eradicated. Spidex Vital Plus works well on all life stages of the two-spotted spider mite

• Gummy stem blight

  brown lesions on the foot and higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black [...] which can only be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits [...] workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease downwards. How to prevent

• Early blight

  lesions on stem and foot. On fruits, dark sunken, leathery lesions occur at the side of the stem. Life cycle and appearance of Early blight From the primary [...] General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] 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

• Sustainable cultivation goes much further than pests and natural enemies

  December 18, 2018

  . If you have the scope to invest in the latest technologies, you can take care of much more yourself than you used to be able to, as long as you have [...] presenting his view on the future at the headquarters of Koppert Biological Systems in Berkel en Rodenrijs, the Netherlands. The interactions between [...] already restraints on its use due partly to the CO2 emissions of this industry as well as the climate policies in place in many parts of the world,’ says Peter