28. Screening of mustard varieties against sucking insect pests of mustard

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Syed Jahangeer Shah Bhai Khan Solangi Zulfiquar Ali Sajid Ali Shah Aziz Ullah Kareem Bakhsh Naveed Ahmed Naseer Ahmed Tariq Ali Mastoi

Abstract

The experiment was conducted at Mustard Oil Field, Agriculture Research Jaffarabad Seed Farm Usta Muhammad, Balochistan in a RCBD design with three replications to monitor the population dynamics of sucking insect pests on mustard.Five mustard varieties i.e. UCD-1202, NMT-8, Canola, Nawab Shah and P-25 was screened to evaluate the relative resistance against sucking insect pests. The monitoring of the sucking insect pests was started right from 15th December, 2018 to 06th March, 2019. The population buildup of each sucking insect pest was monitored at weekly interval. Highest infestation of whitefly (0.98±0.29 nymphs per plant) was recorded for Nawab Shah followed by P-25 (0.92±0.26 nymphs per plant), NMT-8 (0.89±0.25nymphs per plant) and Canola (0.82±0.22 nymphs per plant), while lowest infestation (0.77±0.21 nymphs per plant) was observed for UCD-1202. Highest infestation of thrip (3.20±0.78 nymphs per plant) was recorded for Nawab Shah followed by P-25 (3.08±0.75 nymphs per plant), NMT-8 (2.97±0.70 nymphs per plant) and Canola (2.93±0.6 nymphs per plant), while lowest infestation (2.50±0.57 nymphs per plant) was observed for UCD-1202. Overall mean highest population of jassid (0.74±0.20nymphs per plant) was recorded for Nawab Shah followed by P-25 (0.60±0.30 nymphs per plant), Canola (0.59±0.15 nymphs per plant) and NMT-8 (0.56±0.16nymphs per plant), while lowest infestation (0.19±0.05 nymphs per plant) was observed for UCD-1202. Highest infestation aphid (21.80±10.28 nymphs per plant) was recorded for Nawab Shah followed by P-25 (20.78±10.10 nymphs per plant), NMT-8 (20.48±9.64 nymphs per plant) and Canola (18.85±9.07nymphs per plant), while lowest infestation (18.27±9.04 nymphs per plant) was observed for UCD-1202.


 Keywords: Mustard; Sucking insect pests; Varieties


http://dx.doi.org/10.19045/bspab.2020.90159

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