EXTENSION AND HARMFULNESS OF CALIFORNIAN SHIELD IN APPLE ORCHARDS

Аннотация

A dangerous pest is widespread in Uzbekistan, one of which is the dangerous coccidus. These include quarantine species that are considered dangerous in the republic's horticulture, including the California scale insect. In the course of observations (Tashkent region, 2018-2019) apple varieties are imported from Europe “Renet Simirenko” 6%, “White Rosemary” 8%, winter “Yellow Parmen” 5% and North American varieties “Yellow Belfleur” 4%, “Vinesep” 3%, “Janatan” 4%, “Jonored” 5%, “Golden Delishes” 8%, “King David” 7%, local varieties “Samarkand First” 16%, “Tashkent Borovinkasi” 15% and “Nafis” 19% were damaged by the California scale.