• Amblyseius swirskii

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow. Due to their size and colour they are difficult to spot in [...] the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least a

• Manual Growing lights

  of the hive to help the bumblebees find their way back to their own hive. Tests showed that the blue door led to 12% more direct entries of bumblebees [...] advise to place the hives high in the greenhouse (above the crop) – especially from week 40 until week 9 (depending on the amount of daylight that is available) [...] greenhouse, for example on the sidewalls, also take the angle of the sun into account. It can happen that the direction of the sunbeams is too low and therefore

• Bacterial canker of tomato

  expansion of the wilt 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 [...] 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 [...] Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional infection

• Biosolutions for Propagation

  subject to the extremely humid conditions for rooting. This moisture brings fungus gnats, shore flies , and fungal diseases that can scar the primary root [...] Mass-trapping is key in both wet and dry stages, due to the ever present nature of fungus gnats and shoreflies. Sticky cards and tape are essential to controlling [...] output the first year a Koppert BioSolution is deployed on their stock plant program. Rather than utilizing repetitive pesticide applications that can stunt

• Southern European marshland pyralid

  later, the young larva is visible within the egg. The full-grown caterpillars are 20 to 30 mm long and have a creamy white colour. Along the dorsal surface [...] surface of the body there are pairs of dark dots. The dark head is also conspicuous, as are the four dark dots behind the head capsule. There are 4 pairs [...] weeds. The secretive habit of the caterpillars of this species makes them very difficult to control with synthetic pesticides. Damage symptoms The caterpillars

• Asian citrus psyllid

  most of the 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 [...] when the insect is vector of the bacterium Candidatus Liberibacter asiaticus that cause the fatal citrus disease called citrus greening or huanglongbing [...] greening disease or Huanglongbing. It is widely distributed in southern Asia and the disease is responsible for the destruction of several citrus industries

• Cannabis aphid

  resembles the hop aphid ( Phorodon humuli ), to the point that microscopic analysis of the head is required to distinguish them. The hop aphid is common in [...] late summer. Early in the season, the aphids are nearly colourless to pale yellow, and as the days become shorter, they change to light green or brown with [...] Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are damaged by the loss of this vital fluid. The following damage

• Eretmocerus eremicus

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] after two to three days, and hatches when the whitefly reaches its fourth instar. The larva then penetrates the host, moulting to the second instar to feed [...] feed. During the third instar, the larva fills the host pupa, and the pre-pupal stage marks the transition to the pupal stage, where major morphological

• Acadian

  Concentrate with the water in the tank prior to adding the calcium product. If interaction of chemicals is unknown, a "jar" compatibility test is recommended [...] Concentrate with the water in the tank prior to adding the calcium product. If interaction of chemicals is unknown, a "jar" compatibility test is recommended [...] every 1-4 weeks from harvest to dormancy. Applications can be made either foliar or to the soil. Apply 3-5 days prior to an anticipated plant stress. Other

• Sugar cane

  heights of between two and six metres. The sucrose is extracted in mill factories to be processed into sugar or fermented to produce ethanol. The world’s sugar [...] About Native to the tropical regions of South Asia and Melanesia, sugar cane belongs to the tall perennial true grass genus, Saccharum , of the family Poaceae [...] quantity, it is the world’s largest crop. Over time, sugar cane species were interbred and the major commercial cultivars are now complex hybrids. The crop has