• Black root rot of cucurbits

  survive adverse conditions for years in the soil, but little else is known about the life cycle. The fungus is dispersed by water, air and soil particles [...] to a few of the roots but in severe cases all roots may be infected. At the final stage of the disease, only vascular tissue remains because the cortex (outer [...] stage may kill the plants. In case of a less severe infection, the vines may wilt at a late stage of the crop, but when water supply is in any way limited

• Pierce's disease of grapevine

  extends to the rest. Eventually, the whole root system is killed and the trees die. Life cycle and appearance of Pierce's disease of grapevine The bacteria [...] plums): In peach, the canopy of infected plants is compact and umbrella-like due to the shorter internodes. The foliage is denser and the leaves are a darker [...] along the margin or the tip from early to midsummer. The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning

• Root and crown rot of strawberry

  Phytophthora cactorum . Life cycle and appearance of Root and crown rot of strawberry Not much is known about the life cycle. The fungus produces ascospores [...] clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands, and Pestalotiopsis longisetula in the case of leaf spots, such [...] spot of strawberry and fruit rot reported mainly from Brazil. The genus is quite complex, so the taxonomy may change. Pestalotiopsis clavispora is also

• Treatment of bumblebee stings and allergies

  epinephrine into the thigh in the case of a sting. Tests and treatments are available at the Allergology department of the RdGG (Dr de Groot) at the Diakonessehuis [...] Treating an allergic reaction In the event of a fever occurring or a grade 1 reaction, contact a GP. The decision can be made to keep an eye on the situation [...] stinger, as is the case with honeybees and wasps. Drones cannot sting. The stinger is a weapon for defence. When a bee stings, some venom is injected into

• Aphidius ervi

  pursue the aphid to parasitize. Because of this, the disturbance of aphid colonies can have a serious impact. The aphids can be spread through the crop, [...] can parasitize hundreds of aphids within two days. Aphidius ervi is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae [...] against aphid pests. Once the female wasp has laid her eggs inside an aphid, the emerging larvae begin their predatory activity by feeding on the aphid's internal

• Aphidius colemani

  colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis gossypii [...] Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species, and [...] disturbance of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the

• Beetles

  known species, Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest [...] ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must [...] flower buds and leaves depending on the species. Life cycle of beetles Beetle control videos Take a look at the video or go to our Youtube channel to

• Plant Disease Management

  disease cycles and reduces the buildup of pathogens in the soil. Disease-resistant varieties Another vital aspect of prevention is the use of disease-resistant [...] disposing of diseased plant material is essential to prevent the spread of pathogens. This practice is particularly important in containing the spread of diseases [...] What is biological disease control? Biological control of plant diseases is a method used to manage and reduce the impact of plant diseases by utilizing

• Whitefly

  can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth [...] Dirt adheres to the fruit, and the growth of sooty moulds ( Cladosporium spp.) is encouraged. Such fruit is unsaleable. In serious cases the fruit will rot [...] control is essential to maintain healthy, productive crops and prevent the spread of diseases. Biological control of whiteflies uses a combination of natural

• Integrated Pest Management

  t. Beneficial insects and biological control One of the key aspects of IPM is harnessing the power of natural enemies to control pest populations. Predatory [...] and scouting is the systematic observation of crops throughout their growth cycle. This involves a close inspection of plants for signs of pests and diseases [...] and making necessary adjustments. The IPM cycle is an ongoing process that incorporates the principles mentioned above. It's a dynamic approach that adapts