Poplar

Denomination: Poplar Argyle
Clone Name: Argyle
Scientific Name: Poplar deltoides x P. nigra
Growth Rate: One of the fastest growing hybrids
Leaf Characteristics: Heart-shaped with undulating leaf margin. Flush bronze in late September, mature to dark green above & light green below.
Bark Characteristics: Rough, furrowed bark that develops while tree is young, typically second or third growing season.
Site Limitations: Suitable for soil conservation and stock shelter. Will develop narrower crown on hard, low fertility sites. Commonly used a fodder tree. Tolerates relatively dry & windy sites, often used in east coast regions. No possum resistant.
IP Status: Expired
Nursery: Poplar & Willow
Appletons Tree Nursery
Denomination: Poplar Crow's Nest
Clone Name: Crow's Nest
Scientific Name: (Populus deltoides x P. nigra) x P. nigra
Description: Female clone. Numerous side branches have steep branching angle, resulting in a narrower crown. Primarily used for horticultural shelterbelts. Side branches are light, require little or no side trimming. Also used as soil conservation tree in east coast regions as it is relatively drought tolerant.
Leaf Characteristics: Smaller and rounder than P. x euramericana hybrids. Leaf base tapers towards leaf tip. New leaves flush reddish-bronze in mid-late September in Manawatu, maturing to dark green on the upper surface and light green below, with a red midrib.
Site Limitations: Low-moderate rust and anthracnose resistance, is palatable to possums. Susceptible to Marssonina in cold/wet during the growing period.
IP Status: Expired
Nursery: Poplar & Willow
Appletons Tree Nursery
Denomination: Poplar Dudley
Clone Name: Dudley
Scientific Name: P. deltoides x P.nigra
Description: Male upright tree with only a few heavy limbs. Leaves are dark green on top and light green below with red veins and a straight base. Suitable for general soil conservation and typically used on lower slopes. Performs best in drier conditions.
Bark Characteristics: High wood density.
Site Limitations: Lower rust tolerance compared with other varieties, although not a problem in exposed sites and is possum palatable.
IP Status: Expired
Nursery: Poplar & Willow
Appletons Tree Nursery
Denomination: Poplar
Clone Name: Manawatu Gold
Scientific Name: P. deltoides x P. nigra
Description: Small ornamental clone with small root system.
Growth Rate: Slow growing 1-20m in height.
Leaf Characteristics: Lime green in spring, giving away to brilliant yellow in full growth.
Site Limitations: Requires fertile and partially sheltered site. Cannot cope with competition from grass. Resistant to leaf rust and not palatable to possums.
IP Status: Expired
Nursery: Poplar & Willow
Appletons Tree Nursery
Denomination: Poplar Shinsei
Clone Name: Shinsei
Scientific Name: Poplus nigra 'LP 1' x P. maximowiczii
Description: Male cultivar with good apical dominance and steep branch angle, resulting in narrow crown with no heavy limbs.
Growth Rate: Average height at age 4 is about 5.5m, and average height at age 10 is about 16m.
Leaf Characteristics: Small and round, with a crinkled, undulating leaf appearance. Dark green upper, whitish green below. Leafs up earlier in spring than most other poplars.
Bark Characteristics: Stem colour is grey-green, branch and trunk surfaces are smooth in texture.
Site Limitations: Resistant to leaf rusts, leaf anthrocnose, low possum palatability. Recommended for general soil conservation purposes, particularly on moist inland sites. Reasonably wind tolerant.
IP Status: Expired
Nursery: Poplar & Willow
Denomination: Poplar Toa
Clone Name: Toa
Scientific Name: (Populus deltoides x P. nigra) x P. yunnanensis
Description: Female clone with a medium sized crown, heavier in the trunk than Kawa. Suited to moist and fertile sites, can withstand some wind. Recommended for soil conservation in moist sheltered sites. Typically rust resistant, good possum resistance. Average height of 17.8m.
Leaf Characteristics: Round with straight to shallowly heart-shaped leaf base. Dark green on upper surface, grey-green below, with pink tinge on midrib. Leaves remain on tree till early winter. Large leaves on juvenile wood, smaller leaves on mature wood.
Bark Characteristics: Stem develops a rough bark.
IP Status: Expired
Nursery: Poplar & Willow
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