Gummy stem blight

upwards in the crop and the conidia for spread of the disease downwards. How to prevent Gummy stem blight Before cropping: Remove all crop debris and disinfect [...] disinfect the greenhouse Choose a cultivar that is less susceptible to internal fruit rot Use clean propagation material During cropping and between consecutive [...] Calcium nutrition hardens the cell walls and makes it harder for the fungi to enter the leaves Pick flowers within two days after opening in areas suspected

Pollination checklist outdoor

positioning, wait 30 minutes before opening the little doors to give the bumblebees to time to become calm again. Transportation and shaking movements can [...] the bumblebees always have access to the sugar water supplied with the hive. Use of pesticides Exercise caution when using pesticides before and during flowering [...] crop immediately after delivery, or a maximum of one day later, to allow the bumblebees to gather food. Position the hives evenly throughout the plot for

Charcoal rot

problem. How to prevent Charcoal rot Plant in fields with no history of the disease Use disease-free planting material Rotate with non-host crops to reduce [...] discolouration of vascular and cortex tissue (outer tissue layer) to orange-brown to dark brown. Cutting the roots may show the same discolouration of [...] corn stalks, survival of up to 1.5 years has been reported. The density of the microsclerotia in the soil is directly related to disease incidence. Within

Aphidius ervi

at Koppert as Ervipar . Aphidius ervi products Ervipar Expand all items How to use Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle [...] aphid's internal tissues. They use their mouthparts to puncture the aphid and consume its bodily fluids, ultimately leading to the host's demise. In environments [...] the world due to its effectiveness. An Aphidius ervi female wasp can parasitize hundreds of aphids within two days. Aphidius ervi is used for the control

Leaf miners

look at the video or go to our Youtube channel to see our leaf miner control products in action. More leaf miner control videos How to get rid of leaf miners [...] few problems. However, the use of chemical insecticides kills these natural enemies, allowing the leaf miner population to erupt into serious numbers. [...] In addition, the pesticides used to control leaf miners disrupt the biological control of other crop pests. The leaf miner species that cause damage in

Black root rot of cucurbits

symptoms How to prevent Black root rot of cucurbits Test for the presence of Phomopsis sclerotioides with molecular tools before planting Use resistant [...] ‘clean’ or sterilized soil and substrate. It aggregates, so disinfection needs to be applied thoroughly and evenly. Phomopsis sclerotioides forms sclerotia [...] The lesions may grow and encircle the root. The roots become yellow-brown to black and ultimately die. Black lesions with fruiting bodies occur more commonly

Orius laevigatus

laevigatus is used for the control of the following pests: Thrips The natural enemy Orius laevigatus is available at Koppert as Thripor-L . How to use Orius [...] before use Spread material on clean rock wool slabs, leaves and/or in application boxes (Dibox) Apply in groups of at least 50 insects in order to establish [...] development (four per day on average). Adult females can kill up to 20 nymphs or six to seven adults per day. They are also cannibalistic. In pollen producing

Plant Disease Management

method used to manage and reduce the impact of plant diseases by utilizing beneficial organisms. This method relies on the use of living organisms to suppress [...] accessible to plants. These natural alternatives to chemical fungicides enhance soil health, increase crop productivity, and contribute to environmental [...] The primary goal of biological control is to reduce the damage caused by these pathogens while minimizing the use of chemical pesticides and their associated

Apple scab

this increases to 12-28 hours of leaf wetness for successful infection. Conidia also need water for germination. How to prevent Apple scab Use resistant cultivars [...] fall off prematurely. The plants’ defence mechanism is to produce corky rings around the lesions to prevent further invasion of tissue by the fungus. Late [...] subsequently released when they become wet. The ascospores are wind-dispersed to the fruit trees and will germinate if free water is available. They infect

Aphidius colemani

causing aphids to drop from the leaf and fall to the ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new [...] Koppert as Aphipar . Aphidius colemani products Aphipar Expand all items How to use Aphidius colemani The parasitic wasp is available in a bottle ( Aphipar [...] colemani Aphidius colemani is a parasitic wasp used for biological pest control . This species belongs to the Braconidae family and is primarily known for