• Oak processionary moth

  months. From the 5th instar on, the larvae start building silken nests at the base of lower branches, on the trunks or at the base of the trunks, which [...] and also in parts of the Middle East. Damage symptoms The nests of caterpillars on infested trees are clearly visible. The larvae of the oak processionary [...] reducing the viability of oak trees. However, this is usually less of a problem as the trees normally recover from this. More important is the health risk

• Stingray 25

  Shake the container well before use Fill the application tank with half the required amount of water Add the required amount of Stingray 25 to the water [...] . Environmental conditions Avoid applying the product during the hottest hours of the day and in periods of wind and dew. Do not irrigate by sprinkler [...] sowing. It is recommended to combine application with the use of a microbial fungicide. Dosage The dosage of Stingray 25 depends on crop, growth substrate and

• Whitepaper new Myzus persicae genotype

  did not only track the occurrence, frequency and spread of the new genotype in the field, they also proved that red individuals of this new genotype occur [...] Enemy The appearance of a new Myzus persicae genotype Myzus persicae is well known to quickly develop pesticide resistance. In the past 80 years they [...] from the ‘regular’ M. persicae in the field (based on how it looks), this was not the case. Claims about this genotype being a darker shade of green and

• Bacterial wilt, brown rot

  show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant [...] s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish [...] colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Damage symptoms In potato, field symptoms of Ralstonia

• Artificially lit crops pollination advice

  quality. The key considerations for a hive introduction strategy: Starting from mid-October to the end of November, gradually increase the number of bumblebee [...] after the shortest day, depending on latitude and environment) rapid decline in colonies could occur. In the ever-evolving world of agriculture, the utilization [...] navigation. To counter this, synchronize the opening of bumblebee hives with the energy screen and daylight cycle, allowing the bees to fly only when there is

• Cottony cushion scale

  period of 2 to 3 months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the larger [...] series of uniform ridges running lengthwise over the surface. The ovisac may reach the same length as the body, giving an overall combined length of up to [...] biological control. The cottony cushion scale has subsequently spread widely through most of the tropical and subtropical countries of the world. It is also

• 100% Sustainable Agriculture

  introducing this valuable legacy of knowledge and experience to the field of Agriculture. Working together with farmers We look at the problems at hand with fresh [...] productive crop. All this with the aim of achieving sustainable food production for a healthy planet. Partners with nature, that is the guiding principle in everything [...] DNA. Fifty years ago our founder was the first to introduce a natural enemy to combat spider mite in horticulture. In doing so, he laid the foundation

• Asian citrus psyllid

  southern states and Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is a sucking insect that [...] and the disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has spread through most of the [...] mature. Worst damage is done when the insect is vector of the bacterium Candidatus Liberibacter asiaticus that cause the fatal citrus disease called citrus

• Sciarid flies

  appearance of Sciarid flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects [...] damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil [...] General Sciarid flies constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella

• Poultry Red Mite

  hundreds of millions of dollars in egg industry losses every year. Despite its common names, Dermanyssus gallinae can parasitize a wide range of hosts, including [...] organic farming because the environments provide more opportunities for the mite to evade chemical control measures. Detail of the red poultry mite (Dermanyssus [...] maturing into the adult form. The poultry red mite can live between 5–17 days, depending on the temperature. Higher temperatures shorten the mite’s lifespan