• Caterpillars

  moth flying at night are usually inconspicuously brownish are greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, [...] species are restricted to a single crop, most are polyphagous. Caterpillar damage Caterpillars can cause serious economic damage. Most species feed on leaves [...] Biological control of caterpillars Caterpillars are highly destructive pests that feed on leaves, stems and fruits, causing serious damage to greenhouse

• Hop

  They are a vigorous grower with the ability to extend up to 20 inches a week, and even 50 ft tall in one season. They are typically trained on strings [...] flowering plants in the family Cannabaceae. Hops are the female flowers (seed cones, strobiles) of the plant and are considered the main flavor ingredient in making [...] for flavoring have dictated how long these plants stay in the ground. They emerge each year towards the end of Spring and are harvested near the end of Summer

• Thrips

  hairs along both edges of the thin wings. There are more than 6,000 known species. Most are harmless, some are predators, and fewer than 20 species can cause [...] y. Solutions for thrips control Learn more about What are thrips? Several species of thrips are a major problem in greenhouse horticulture. The Western [...] horticulture. Thrips are small insects (0.5-14 mm), with the largest species found in the tropics. In temperate regions they are not larger than 2.5 mm

• Damping-off

  subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move through water. The zoospores are chemically drawn to [...] where the side roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow the [...] plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Damping-off Use resistant cultivars or graft on tolerant cultivars

• Leaf miners

  miner species that cause damage in horticultural crops are mostly polyphagous; that is, they feed on many crops. However, this is not universal among the [...] this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate regions [...] Biological control of leaf miners Leaf miners are damaging pests that tunnel through leaves, reducing photosynthesis and weakening plant growth. Their

• Fusarium spp.

  surrounding tissue. On infected plant parts, the typical boat-shaped pink macroconidia are produced, which may be dispersed further. How to prevent Fusarium [...] the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels [...] pinkish-red as spores are formed. Ear infection decreases the baking quality of wheat and brewing qualities of barley. Furthermore, mycotoxins are produced, of

• Rhyzobug Brochure

  37 38 39 40 41 42 R. lophantae How to use How to use • Apply in the evening • Tap beetles directly on the plants or use D-boxes • Start introduction [...] effect of Rhyzobius lophanthae on Aulacaspis tubercularis in mango in Spain 100 Weekly intorduction rate depending on infestation, avg T: 28,9°C 50 [...] n as soon as the first armoured scales are detected and repeat if necessary • The dosage of Rhyzobug depends on climate, crop and armoured scale density

• Breaking ground in SA for the macrobial control of stinkbug done by parasitic wasps

  August 1, 2022

  eggs and they are a hardy species that can survive up to 2 weeks without food. Trissolcus feeds on pollen and nectar, and stinkbug eggs are only a means [...] numbers are high enough for commercial control. Packaging : Carton tube containing 100 adult wasps. Temperature range : 5 - 35 °C Speak to us about how you [...] game changer you have been waiting for. These powerful biological agents are very strong flyers which results in effective distribution throughout the

• Macrocheles robustulus

  before use Spread material evenly on soil or planting medium (not on the plastic) The dosage of Macro-Mite depends on climate, crop, planting medium and [...] The predatory mites feed on larvae of sciarid flies , thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base [...] and adult. Adult mites are 0.6-0.8 mm long, oval shaped and pale white with a brown oval dorsal shield and brown legs. The larvae are white. Protonymphs and

• Aphytis melinus

  larva proceeds to feed on the scale. The preferred hosts for the parasitoid are third instar scale nymphs, although smaller scales are accepted for parasitism [...] leaves. Males and females are a lemon-yellow with green compound eyes and three red ocelli (single eyes) on top of the head. Wasps are approximately 1 mm in [...] Expand all items How to use Aphytis melinus Divide each pot into 11 drop points. Use the lid, the 8 strips of green paper, the cotton on the bottom and the