• Yellow rose aphid

  extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. Retarded [...] ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses [...] presence in the crop. The yellow rose aphid is holocyclic in North America (i.e. they mate in autumn and produce eggs to overwinter). It is also holocyclic

• Black rot of carrots

  radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary infection and this may lead to death of seedlings. 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 [...] this type of carrot disease can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Lesions of black rot of carrots

• 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

• Atheta

  case you do need to store Atheta, please follow the instructions below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer [...] development. Total development time from egg to adult takes about three weeks at 25ºC. After that period the adult predatory beetle will be active for approx [...] per day during the first two weeks after maturing. Application Atheta Introduce at least 2 predatory beetles per m² by distributing the content of 1 package

• Long-tailed mealybug

  these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy bug [...] mealybug The long-tailed mealy bug is easily recognized by the long, posterior tail filaments, which are at least the length of the body itself. The length [...] length of the other filaments is roughly half the width of the body. The female is 3 - 4 mm long. Reproduction in Pseudococcus longispinus , may be sexual or

• HyFood takes habanero to another level with biological control

  being the United States, a country to which around 99% of the total volume exported is destined. "One of the main challenges we face in exporting to the [...] the United States is that there is a legal framework that prohibits the use of certain chemical molecules in the crop. We have complied with these requirements [...] Koppert... at the beginning of the establishment of the biological control tools, their consultants showed us the range of possibilities they had to establish

• Tobacco aphid

  through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid . It is not known [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its [...] 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

• V10_PMRA_Label_EN.pdf

  5 NOTICE TO USER: This pest control product is to be used only in accordance with the directions on the label. It is an offence under the Pest Control [...] Determine the total area to be treated. Shake the product thoroughly before use. Prepare V10 as a 10% solution (e.g., 0.8 L V10 plus 7.2 L water to make 8 L [...] Control Products Act to use this product in a way that is inconsistent with the directions on the label. PRECAUTIONS: KEEP OUT OF REACH OF CHILDREN. May cause

• Common asparagus beetle

  pairs of stout, light brown legs. When fully grown, the larvae drop to the ground to pupate. The adult stage overwinters and starts a new cycle next spring [...] Common asparagus beetle The life cycle of the asparagus beetle has the following stages: egg, 4 larval instars, a pupal instar and the adult beetle. Adult [...] thorax. The elytra have two distinctive rows of white or yellow spots. Eggs are oval and black to greenish brown and laid singly or in rows of 3 to 10 eggs

• Bedding plants

  parks. There is a wide range of plants especially produced to demonstrate coloured flowers in spring and summer. They are easily divided in four different [...] categories: Hardy annual plants which are planted directly into the soil already early in the season: sunflower, poppy, stock, clarkia, dianthus, nigella, [...] pelargonium, cosmos, nicotiana, fuchsia Hardy biennial plants or perennial plants that serve as perennial; antirrhinum, polyanthus, daisy, foxglove, various dianthus