Cotton cultivation is expanding in very high densities under the name of Ultra Narrow Row in cotton-rich and developed countries. The advantages of this planting method include increasing maturity as well as crop yield. This experiment is to examine and compare the population of cotton whitefly On 3 cluster cultivars and one control, using the method of narrow planting distance of 20 × 20 and 20 × 80 cm as a factorial design in the form of a randomized complete block design with 3 replications in Hashemabad cotton research station in Gorgan during two years 2018- 2019 was evaluated. Statistics of different stages of cotton whitefly pest were recorded weekly in the tested treatments and recorded in special tables. Based on the studies, the results of combined analysis of variance show that the yield in the cultivars tested in Sajedi cultivar with a distance of 80 cm with an average wash of 1696 gr in the plot and Golestan cultivar 80 cm with 1622.9 gr in the plot with the highest yield and cultivar T2 With a distance of 20 cm, 847.2 gr had the lowest yield in plot. Infestation rate of cluster cultivars tested in very narrow cultivation of whitefly population density on Golestan cultivars with a distance of 80 cm, Sajedi with a distance of 20 cm with 65.50 and 57.75 whitefly in the leaves had the highest infestation, respectively, and on Sajedi cultivars with a distance of 80 cm with a density of 46.75 whitefly on the leaves had the least infestation.