• Cryptobug-L

  pest is controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental [...] Buckwheat hulls. Application Deploy material on rock wool slabs, or in Diboxes close to or at a hotspot Can also be applied with Natutec Airobreez, Natutec M [...] mealybugs are detected in the crop. Introduction rates typically range from 5-40 per m 2 /release. Releases should be repeated at least 3 times at intervals

• Aphids

  by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. How to prevent aphids To prevent aphid infestations in crops, you [...] family Aphididae, a family containing many species that cause damage in cultivated crops. The most significant aphids that occur in greenhouses are: Myzus [...] the other. For a large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single female

• Citrus mealybug

  females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays several hundreds of eggs in an elongated cottony [...] instar, a male nymph forms a dark brown ‘prepupa’ from which a pupa rapidly develops, inside a white cottony cocoon. Females undergo little changes in form [...] citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse

• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  Level 5.24 0.83 6.07 4.94 0.75 5.7 4.43 0.77 5.2 3.5 0.45 3.95 3.48 0.48 3.96 3.48 0.42Actual 3.9 - 3.73 0.61 4.33 Zn 0.6 0.2 50 0 4 weeks before [...] 84, 505–518. 8. Mvondo-She, M.A.; Gatabazi, A.; Laing, M.D.; Ndhlala, A.R. A Review on the Role of Silicon Treatment in Biotic Stress Mitigation and Citrus [...] Phosphorus is a vital component of ATP, the “energy unit” of plants and a deficiency will limit plant productivity. A deficiency will have a direct influence

• Long-tailed mealybug

  effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order [...] first kept beneath the body in a network of fine waxy threads. Over two or three weeks, a female produces 100-200 nymphs. In the summer, the life cycle [...] rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the

• Rhyzobug Brochure

  black pesticide list in the value chain Health and environment • Safe for user • Admitted in organic agriculture • Contributes to a healthier end product [...] Aspidiotis nerii in lemon in Spain 400 A. nerii / 10 cm2 300 Introduction rate 1:250, avg T: 27,8°C 200 100 Untreated 0 0 1 2 3 4 5 6 R. lophanthae [...] Weeks after predator release A. nerii / 10 cm2 150 The effect of Rhyzobius lophanthae on Aspidiotis nerii in lemon in Spain 100 Introduction rate

• En-Strip

  the pupae via a round hole. Pack size 3,000; 7,500; 15,000 pupae. Presentation Cardboard strips with 5 cards each, wrapped in plastic, in a cardboard box [...] Enermix or Ercal. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental [...] 77°F). At a 24 hours average temperature below 17°C/63°F the control of whiteflies may be insufficient. Combined use En-Strip is best to be used in combination

• Tobacco aphid

  ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco [...] tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and [...] them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting production. They are usually found in closely packed colonies

• Tripar-C

  infestation. For the correct application, please consult a Koppert specialist or a recognized distributor of Koppert products. Three to four releases (3-4 weeks [...] have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Failure to do so can have a negative [...] impact on their quality. In case you do need to store Tripar-C, please follow the instructions below. Koppert SA is not liable for any loss of quality if

• Vine mealybug

  effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order [...] present only in the male. After a complete metamorphosis, a winged male emerges from the pupa. The male is smaller (1 mm), dark orange in color with long [...] and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production