• Fusarium head blight or scab

  fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect [...] between 4 and 35 °C, with an optimum between 25 and 28 °C. Germination only occurs at relative humidity (RH) above 80%. Warm (25-30 °C) and humid (RH above [...] root rot, foot and stem rot, leaf lesions, fruit rot, fusarium head blight in cereals, such as wheat (fusarium head blight wheat) and post-harvest decay

• Obscure mealybug

  instar nymphs, on the other hand, settle on the leaf and begin to secrete wax, moulting to a third instar and then the adult female without a complete metamorphosis [...] the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate

• Nematodes established solution for Nesidiocoris in France

  close to Nesidiocoris . Therefore, Capsanem must be aimed at the top of the plant and run-off must be avoided. We honed our recommendations to try to affect [...] Châteaurenard near Marseille, and have done for four generations. We have to control Nesidiocoris because it is very strong in this sector,’ says co-manager [...] in France. We saw that it was effective. We have used Capsanem on several blocks to regulate the bug and have tried several application methods: the small

• Cottony cushion scale

  Icerya purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry [...] spp ., Casuarina spp . and Pittosporum spp ., but it can damage many types of fruit and forest trees, and ornamental shrubs and trees. Damage is mostly [...] ants. Life cycle and appearance of Cottony cushion scale As with all scale insects, the females do not have wings and look similar to the immature stages

• Onion fly

  Delia antiqua ), also referred to as the onion maggot, is a frequent pest that harms allium plants, including leek, garlic, and onion crops. It is a small [...] small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are laid by the female onion fly on the young leaves, [...] the soil close to the base of onion plants. The onion fly larvae that emerge from the eggs tunnel into the onion bulbs, harming the roots and foliage. This

• Predatory mites

  persimilis . Over the years, we have further specialised in producing a wide range of natural enemies and have several patents to our name. Our stability in [...] reliability, and secure delivery is well-known around the world. Our dedication and commitment to develop methods that enable growers to effectively introduce [...] Precision targeting: Predatory mites have a remarkable ability to locate and prey upon specific pest species, minimising damage to non-target organisms. Resilient

• Pollination checklist tomato

  The flower needs to have been pollinated before it closes. Depending on the conditions, a flower will remain open for one to three days. To check on pollination [...] is easily visible both to the bumblebees and to people Ensure the hive is horizontal Protect the hive against condensation and rainwater Not all chemical [...] bumblebee's jaw on the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the

• New Strain Of Green Peach Aphid, Myzus Persicae, Requires More Aggressive Beneficial Insects

  September 1, 2023

  greenhouses. Koppert have responded to this developing crisis felt among growers by dedicating focused research to the biology of the pest and diagnosing the [...] which is more effective. ‘We have already proved its effectiveness in the lab, and are now doing cage and field trials to acquire hard data for recommendations [...] the UK, and worldwide, are battling to control a new strain of the green peach aphid , Myzus persicae , that presents an increasingly frequent and harmful

• Scia-Rid

  centrifugal or piston pumps Water tank temperature must not exceed 25°C/77°F and pH must be between 4 and 8 Distribute the spraying solution evenly over the [...] Infected pest insects in the root zone turn yellow to brown but may be difficult to find, due to rapid degradation. Pack size 500 million - 2 sachets of [...] (water temperature: 15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled

• Damping-off

  finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real [...] flower buds fall off. The side roots rot and very little of the root system survives. On the border between air and soil or substrate the plant turns brown [...] germinate and form so-called sporangia from which subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move