APPLE ROOTSTOCKS
P.16

SIZE CLASS 2

P.16 (Poland 16, Lizzy)



Pedigree

'Longfield' X M.11

 

Precocity

Similar to M.9

Productivity

Very productive, more yield efficient than M.9

Scion Fruit Size

Large
Scion Fruit Quality  

Anchorage

Support required

Fire blight

Susceptible, further testing required

Crown & Root Rots

Resistant, further testing required

Woolly Apple Aphid

Susceptible

Powdery Mildew

 

Hardiness (Midwinter)

Moderate to excellent hardiness, further testing required
Bud Break  
Leaf Fall  

Suckering

Moderate

Burrknots

Light

Stoolbed Performance

Moderate to Good

Virus hypersensitivities

None noted

Experience

P.16 has been planted in North America in a few small trial orchards.

Sources

TRECO

Strains

 

Observations, suspicions, history

P.16 is a rootstock intermediate between M.27 and M.9 in vigor that may have improved cold hardiness and very high yield efficiency. P.16 is being planted extensively in Western Europe and is a strong competitor to M.9 and M.27. As with all very dwarfing rootstocks, irrigation is a requirement when establishing high density orchards. P.16 may been less vigorous than P.22 in some Pacific Northwest sites. P.16 may be less tolerant of light soils and water stress than some other rootstocks. P.16 has a characteristic undergrowth of the scion relative to rootstock trunk diameter.

 

 

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Last modified September 21, 1999.