In general, we need 400 healthy, full seeds as reference sample. Please send the seed volumes on grams as listed in the table below, or send a count of 400.
Required sample sizes for the examination of the germination capacity are listed in the table below. If you would like to attain certification, please note that we receive enough seeds. Please add the quantity indicated for germination tests and certification. Unless stated otherwise, amounts given are in grams.
Tree Species
| Abies | Fir, all species | 20 g |
| Acer campestre | Field Maple | 20 g |
| Acer platanoides L. | Norway Maple | 100 g |
| Acer pseudoplatanus L | Sycamore Maple | 50 g |
| Alnus | Alder, all species | 5 g |
| Betula spec. | Birch, all species | 3 g |
| Carpinus betulus L. | Common Hornbeam | 20 g |
| Castanea sativa Mill. | Chestnut | 2.000 g |
| Fagus sylvatica L. | Common Beach | 100 g |
| Fraxinus excelsior L. | Common Ash | 50 g |
| Larix | Larch, all species | 5 g |
| Malus communis | Common Apple | 10 g |
| Picea | Spruce, all species | 5 g |
| Pinus | Pine, all species | 10 g |
| Prunus avium L | Wild or Sweet Cherry | 100 g |
| Pseudotsuga menziesii | Douglas Fir | 5 g |
| Pyrus communis | European Pear | 10 g |
| Quercus spec. | Oak, all species | 1.500 g |
| Robinia pseudoacacia L. | Black Locust | 30 g |
| Sorbus aucuparia | Rowan or European Mountain Ash | 5 g |
| Sorbus torminalis | Wild Service Tree | 10 g |
| Tilia cordata Mill. | Small-leafed Lime | 20 g |
| Tilia platyphyllos Scop | Large-leafed Lime | 50 g |
| Ulmus | Elm, all species | 5 g |
Shrub Species
| Berberis vulgaris | European Barberry | 5 g |
| Cornus mas | European Cornel | 100 g |
| Cornus sanguinea | Common Dogwood | 50 g |
| Corylus | Hazels | 800 g |
| Euonymus europaea | Common Spindle | 50 g |
| Ilex aquifolium | European Holly | 5 g |
| Ligustrum vulgaris | Wild Privet | 10 g |
| Lonicera | Fly Honeysuckle | 10 g |
| Prunus spinosa | Blackthorne or Sloe | 100 g |
| Rhamnus | Buckthorn, all species | 50 g |
| Rosa canina | Dog Rose | 20 g |
| Sambucus | Elderberry, all species | 10 g |
| Sorbus | Rowan, all species | 20 g |
| Viburnum | Viburnum, all species | 20 g |
