Please enable JavaScript.
Coggle requires JavaScript to display documents.
Walnut - Coggle Diagram
Walnut
Factors affecting yield
soil - likes fertile deep soil (750 mm)
late spring frost affecting leaves and flowers
shelter - like good shelter
varieties = late flowering best for ireland & ones that don't mind summer rainfall
diseases = walnut blight
crows - can strip trees if a lot of them of the husks
squirrels = can sometimes be an issue taking husks
hares / rabbits
Info
prefers pH = 5.5-7
spacing within an orchard = between 12 to 20m each way depending on certain factors
staking = recommended
prune in early years to create a good branch framework in early spring. take of low branches
lead in time to nuts - 6-8 years
History / ecology
cultivated for 5000 years in asia
produce in a range of climate sub topics to cool temperate
Native to western asia
California, Iran & China large producers
Varieties
corne du perigord
fermor
fertignac = large nuts, good flavour, vigorous grower, flowering period 4
parisienne
Potential in Ireland
Commercial = fair
Domestic = fair to good
Species & Family
= Juglans regia & family Juglandaceae