Malus sieversii in harsh climates unsuitable for "M. pumila", mainly for increased cold tolerance. "Malus sieversii" has recently been cultivated by the United States Agricultural Research Service, in hopes of finding genetic information of value in the breeding of the modern apple plant. Some, but not all, of the resulting trees show unusual disease resistance. The variation in their response to disease on an individual basis is, itself, a sign of how much more genetically diverse they are than their domesticated descendants. Malus sieversii Malus sieversii is a wild apple native to the mountains of Central Asia in southern Kazakhstan. It has
Oxford Scientific Films and factual entertainment shows." Some time later, Oxford Scientific Films became part of the Twofour Group, which was acquired on 24 June 2015 by ITV Studios. Oxford Scientific Films has produced numerous award-winning programmes and films. In 1998, its film "The Forbidden Fruit" produced for the BBC's long-running series "The Natural World" and WNET Nature, won seven industry awards. "Heroes of the High Frontier", produced as a National Geographic Special, won four awards and was a finalist for the Best of the Show Grand Award Trophy at the New York Festivals. In 2005, the company launched "Meerkat Manor", a docu-drama