Investigation of Dynamic Whitefly Population Bemisia tabaci (Gen.) in Very Narrow Cultivation in The Fields of Cotton Golestan Province of Iran | ||||
| Egyptian Academic Journal of Biological Sciences. A, Entomology | ||||
| Volume 17, Issue 3, September 2024, Page 117-123 PDF (486.34 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/eajbsa.2024.383887 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Darvish Mojeni, Taghi | ||||
| Agricultural Research, Education and Extension Organization (AREEO), Department Research of Plant Protection Cotton Research Institute of Iran | ||||
| Abstract | ||||
| This method of planting is developing in the United States and according to the obtained reports, it has saved water consumption, reduced the cost of weeding, increased production and maturity, and reduced the population of pests and damage to cotton. The advantages of this planting method include increasing maturity as well as crop yield. To investigate this issue in Golestan province, some important studies such as the effect of pix material, different fertilizers, pests and diseases and irrigation in planting very narrow row spacing were evaluated over two years. This experiment is to examine and compare the population of cotton whiteflies 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 an RCBD 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 the combined analysis of variance showed that the yield in the cultivars tested in the 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 the 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. | ||||
| Keywords | ||||
| Population dynamic; Bemisia tabaci; cotton; UNR; and Golestan province | ||||
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