Recently, there is an increasing need to update the domestic nursery base.
The lifespan of those maternal plantations has long expired. For plantations of the graft and stock of the category “basic” this period is 12 years and for the category “certified” – 15 years. True, the law allows to extend this period of use of queen cells. The National Agency for Food Safety issues such permits if the results of annual testing of bushes for the presence of viruses and latent form of bacterial cancer are negative. But, firstly, this is hard to boast about. Secondly, how much can I extend?