Northern Spy

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Origin	Dessert variety in USA. Developed as a rootstock in New Zealand and Australia pre-1930s because of woolly aphid resistance.
Description	Leaf: medium large, shiny bright green, upfolded. Petiole and veins on back are reddish when young. Shape: oval, tip attenuate, base obtuse. Margin: uneven serrations on a slightly wavy edge. Stipules: medium large, elliptical. Shoot: reddish wood.
Vigour	Semi-vigorous like MM.106. May be more vigorous when virus-free.
Propagation	Fairly difficult, but will produce in stool beds.
Resistance	Slightly less susceptible to collar rot than MM.106. Woolly aphid resistant.
Uses	Not quite as precocious as MM.106. May be more tolerant to collar rot and dry conditions. Used in breeding Merton Immune and Malling Merton Series. Suitable for semi-intensive plantings in all Australian growing regions with current and new varieties.
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