Relab den Haan

6 services found


  • Horticulture Chemical Analysis

  • Leaf Analyses

    Leaf Analyses

    Leaf analyses are often performed when there is a deficiency or excess symptom. On the other hand the elements in the leaf tell us something about the nutrient condition of the soil. The nutrient ratio in the leaves differs per plant cultivar and per location. Therefore it is important not to interpret the target values absolute. Deficiency and excess symptoms. When plants show deficiency it is best to analyze good...

  • Plant Pathogen Analyses

  • Plant Pathology Research

    Plant Pathology Research

    When you have plants with disease symptoms or growth reduction, you can let the specialist of den Haan conduct an analysis on these plants. When you are not sure what causes the problem, we can advise you in the proper kind of analysis. We can analyze the following pathogens:-          Nematodes-          Bacteria

  • Nematological Analyses

    Nematological Analyses

    In our laboratory we conduct different nematological analyses. Most of all soil and roots are being analyzed. Besides this also water and bulbs can be analyzed. Nematodes in soil Before planting you can analyze the soil to see if it is free from nematodes. You can then decide wether it is necessary to apply a treatment against nematodes. When there are bad spots in the field you can also analyze the soil...

  • Plant Pathogen DNA Analyses

  • DNA-multiscan for Plant Pathogen Detection

    DNA-multiscan for Plant Pathogen Detection

    With the DNA-multiscan bacteria we can analyze very quickly which bacteria are present in your water, seed, plant material or soil. 13 bacteria and 1 plasmid are being analyzed including Agrobacterium tumefaciens which can cause tumors on roses. Some important bacteria/plasmid which can be detected with the scan are: Agrobacterium...

  • Horticulture Sampling

  • Sampling for Nutrient Analysis

    Sampling for Nutrient Analysis

    Taking of samples for nutrient analysis has to be done very precise but can be done by yourself. Most important is that the samples are being taken the same way every time, if possible by the same person. For a good average sample you need to take on 20 to 40 places a subsample. Sampling instructions soil samples  When the composition of the soil is variable you have to take sufficient sub samples. The samples have to...

  • Sampling for plant pathogen analyses

    Sampling for plant pathogen analyses

    Selecting sick plants For good diagnosis we would like to have complete plants with clear symptoms. We prefer both plants that are in an early stage of infection and plants that are seriously infected. For a good diagnose and to increase the chance of detecting the pathogen we would like to have 3 till 6 plants. For a good comparison it also helps to send a healthy plant....