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Columbia Root-knot Nematode
Northern Root-knot Nematode
Stubby Root Nematode
Root Lesion Nematode
Stem & Bulb Nematode
Nematode Testing Service
Nematodes are important economic pests of all types of crops. These pests are particularly problematic in commercial farms. Nematodes are microscopic, unsegmented roundworms that live in the soil and roots system. All parasitic nematodes have a needle-like mouthpart (stylet) used to puncture the plant cell, inject digestive juices and ingest plant fluids.
Disease complex: In addition to direct damage, nematodes may also enhance crop damage by fungal pathogens. Nematode feeding may aid fungal infection and development and increase the level of damage that is caused. Soil fungal pathogens known to form disease complexes includes but it's not limited to Verticillium, Fusarium, Rhizoctonia and Pythium species.
Virus Transmission: Some nematodes transmit viruses while feeding on roots, the consequence of viral diseases evaluate much higher than their direct yield loss. Viral diseases known to transmit by nematodes includes but it's not limited to Cherry Raspleaf Virus, Tobacco Ringspot Virus, Tomato Ringspot Virus, Grape fanleaf Virus and Tobacco Rattle Virus.
We use nucleic acid-based techniques, RT-qPCR, for detecting viruses on nematodes.
Diagnosis: Nematode problems are often misdiagnosed as being the result of poor cultural practices, diseases, insect damage, soil compaction, nutrient deficiencies, poor drainage, drought or other environmental stresses. To accurately diagnose a nematode problem, a soil sample must be collected from the affected area and be assayed by a Nematology laboratory where trained professionals can determine if there are parasitic nematodes present at levels that could cause the observed damage.
In the states of Washington, Oregon and Idaho, Columbia and Northern Root-knots, Stubby Root, Dagger and Root Lesion nematodes to name a few, can make considerable negative impacts on economically important crops including Potatoes, Onions, Alfalfa, Mint... also, Grapes, Apples, Cherries, Blueberries,... .
The nematode assay lab in AGNEMA™ focuses on the identification of the frugally vital plant-parasitic nematodes in soil, water and plant materials. Through nematode assay, plant-pathogenic nematodes are identified and counted. Moreover, a nematode species that is the smallest group of populations can be distinguished by a unique set of morphological or genetic traits. AGNEMA™ uses a semi-automated technology to extract nematodes from the soil samples. The intention of this method is to make extractions unified; that means having a hi-efficient nematode recovery during the repetition of extractions.
Nematode testing service, is a great resource for growers desiring to determine nematode populations in commercial fields. Whether you plan to prepare a field to plant in future or manage an established field/orchard, keep controlling of plant-parasitic nematode population is a key to success.