A: Some timber have male timber and feminine timber solely. That’s how the sexes are separated in these timber. All of the pistachio varieties are both male or feminine timber, much like ash, African sumac and mulberry.
Verticillium wilt might be unfold with unclean pruning shears, however this illness is often soil born. I suppose for those who dropped your pruning shears/loppers/noticed on an infested soil you might choose it up and infect the tree, however I feel that may be a stretch.
I prune established pistache timber (nut timber) with none illness issues. I’ve achieved it many instances, and the loppers and hand pruners weren’t disinfected previous to the pruning cuts. I don’t see that illness drawback taking place with that tree by pruning.
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