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Foundation level plant material
       
 
click for —› BENEFITS:  Foundation level  – Return on Investment  – Rooted Cuttings
       
So what is Foundation level plant material?

[Click for enlargement]
  • Vine from the original breeding plot of each
    new variety is highly scrutinized by
    DNA fingerprinting to assure genetic
    consistency.

  • This fingerprinted material is planted in
    potted culture to establish “Mother Stock”
    and isolated in separate growing structures.

  • Flowers and berries are removed to assure
    that “volunteer” seedlings do not
    contaminate the Mother Stock.

  • Virus indexing is done annually. Click for NJDA Letter on Virus Testing .
 

Why use Foundation level plant material?

  • Renovating a bed is a major undertaking, shouldn’t the purest and best vines available be used?

  • The cost of foundation level vines is about the same as the current cost of non-foundation vines produced from prunings.

  • Sacrificing your own crop to produce large volumes of vine for a new planting may not be economical because of the high productivity of the new varieties.

  • The cost to scrutinize mowings or prunings to a similar extent (i.e. DNA & virus testing) would probably exceed $500,000 per ton! (You may not like what you find.)
The devil is in the volunteers … (click on image)[Click on to enlarge image of cranberry volunteer plants on ditch banks]
  • Every cranberry bed inevitably gets volunteer seedlings.

  • Many of these seedlings produce few fruit and instead put their resources into vegetative growth.

  • If the bed is pruned for propagation, these vegetative volunteers contribute disproportionately and have the potential to severely contaminate a new bed.

  • This can be especially significant when the prunings are used for rooted cuttings or low-density plantings.
   

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