Effect of Sowing Dates and Varieties on the Incidence of Insect Pests on Mungbean in Myanmar
Journal Title: International Journal of Trend in Scientific Research and Development - Year 2020, Vol 5, Issue 1
Abstract
Experiments were carried out in farmer’s field of Latpankone village in Nyaunglebin Township, Bago Region in Myanmar, during winter seasons in 2017 2018 and 2018 2019. A field trial was arranged in a split plot design with three replications. Five sowing dates as main plot factor and three mungbean varieties as subplot factor were set up. The maximum percentage of bean fly infested plants was 50 and 70.44 in S5 16th Dec during the first experiment and the second experiment, respectively. The highest mean number of thrips per flower 3.72 and 4.69 were found in S4 9th Dec in first experiment and second experiment, respectively. The maximum percentage of aphid infested plants 13.22 and 28.27 was found in S1 18th Nov in the first and in the second experiment, respectively. All sowing dates had significant effect on insect pests in both years except thrips in 2018 2019.The varieties were found to have significant effect on aphid in 2017 2018. The varieties were also found to have significant effect on bean fly infested plant sand thrips in 2018 2019. The pod borer larvae were only observed in 2018 2019 and lowest number in S1 18th Nov . It is inferred that early sowing resulted in lower incidence of bean fly and thrips except aphid. The results suggest that for ensuring reduced infestation of majority of insect pests, mungbean in winter season should be sown in mid November, in the study area. Myothan Tun | Ami Aung | Htarhtar Naing | Kyawkyaw Win | Thi Tar Oo "Effect of Sowing Dates and Varieties on the Incidence of Insect Pests on Mungbean in Myanmar" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , December 2020, URL: https://www.ijtsrd.com/papers/ijtsrd37948.pdf Paper URL : https://www.ijtsrd.com/biological-science/ecology/37948/effect-of-sowing-dates-and-varieties-on-the-incidence-of-insect-pests-on-mungbean-in-myanmar/myothan-tun
Authors and Affiliations
Myothan Tun | Ami Aung | Htarhtar Naing | Kyawkyaw Win | Thi Tar Oo
Keywords
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