Bioecological properties of underground pests in cultivation of potatoes planted after grain

In the conditions of Tashkent and Samarkand provinces Uzbekistan, autumn moth ( Agrotis segetum Den. Et Sshiff ) is one most common pests in irrigated agricultural areas. The worms this pest damage hundreds crops belonging to 34 families infect cotton, alfalfa, sugar beet, corn, cereals, legumes, oilseeds vegetables, melons potatoes, as well ivy, wild coconut, sorghum, oats. Autumn nocturnal pierce seed pods, damaging root collar young sprouting crops. developmental characteristics underground potatoes planted post-grain recurrence period were studied, their bioecology according various