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| Effect of Various Colored Sticky Traps on Pest Population in Different Mango Varieties |
Abdul Ghaffar Khoso, Farrukh Asghar, Mohammad Azhar Shafique, Enayat Aziz, Ameer Uddin, Khalil Asghar
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Abstract:
The experiment was carried out on Effect of Various Colored Sticky Traps on Pest Population in Different Mango Varieties at Horticulture Garden, Sindh Agriculture University, Tando Jam from November 2018 to March 2019. The orchard comprises of four mango varieties such as Sindhri, Neelum, Chausa and Saroli. The sticky traps of different colors i.e. yellow; brown and orange were installed on mango trees at 7-8 feet above the ground. The results of the experiment on the monitoring and effect of color traps on attraction of insect pests and predators on different mango varieties revealed that black ants, spiders, Brumus beetle, Zigzag beetle, Damsel fly and three mango pests namely mite, mango mealy bug and mango hoppers were attracted to the color traps. The appearance of adults on traps was recorded from 10-04-2019 to 01-05-2019. However, maximum catches were recorded on 24-04-2019. The total catches of all three traps indicated that the traps installed on Sindhri variety had maximum catches 142,100 adult mango hoppers and mealy bugs followed by Neelum 94, 53, Chaunsa 74, 31, and Saroli 100, 71. Further it was observed that traps installed before 10-04-2019 did not show any catches of hoppers and mealy bug. In the present experiment overall total 260 predators and 674 pests were trapped through three colored stick traps on four mango varieties. Three mango pests namely mango hoppers, mango mealy bug and mite were attracted to the color traps. The maximum 200 mango hoppers and 155 mango mealy bug orange 160, 75 and brown 50, 25, respectively. Further it was observed that traps installed before 10-04-2019 did not show any catches of male hoppers. The 1st appearance of adults was recorded on 10-04-2019 and continued till 01-05-2019. However, maximum catches were recorded on 24-04-2019. Analysis of variance showed that yellow sticky traps attracted significantly more insects (F = 11.83, df = 2, P < 0.01). LSD showed non- significant difference (P< 0.05) between insect catches on brown and orange sticky traps. The adult females of both mango hopper and mealy bug collected from the branches of mango plant having sticky traps installed showed significant difference in oviposition. Only 60% female laid their eggs, which were collected from the braches having blue sticky traps installed. Among them 20% laid.>100 eggs while reaming 40% females laid <100 eggs. Similarly, 60% of the females laid their eggs, which were collected from the branches having orange sticky traps, however, 30% of them laid <100 eggs. Only 30% of the females colleted from the branches having yellow color sticky traps laid their eggs. Out of 30%, females 20% laid <100 eggs. It was concluded from the results that the females laid less than 100 or no eggs were considered as unmated females; however, the eggs laid by them could be the result of parthenogenesis reproduction. Since yellow sticky traps effectively captured the adult males as a result majority of females went down the tree without mating.
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