A study of the infestation on Persea bombycina kost by woolly beech aphids & its impact on host plant’s secondary metabolite & lipooxygenase activity
Jyoti Wangnow, Sabita Gogoi, Agu Pertin
From time immemorial, the cultivation of muga silkworm is very popular in Assam & adjoining part of North East India regardless of community and caste. In order to improve the quality and quantity of the golden silk produced by muga silkworm, one should have better knowledge about its host plant Persea bombycina Kost. Thus, present study report throws light on the changes in various biochemical parameters when this plant is infested by pest like woolly beech aphid or Phyllaphis species. On comparison between infested and non-infested leaves, it was found that the protein, tannin & phenol content ( after 2 minutes & 2hours) in infested leaves are decreased by 131.1 mg/g/wet wt., 64.2 mg/g/wet wt., 199.12 mg/g/wet wt.(2 mins), 117.04 mg/g/wet wt.(2 hours) respectively. However, the lipoxygenase enzyme activity was found to be increased by 4.167 µg/min/gm wet wt. (after 15 seconds) & 7.734 µg/min/gm wet wt. (after 45 seconds).
Jyoti Wangnow, Sabita Gogoi, Agu Pertin. A study of the infestation on Persea bombycina kost by woolly beech aphids & its impact on host plant’s secondary metabolite & lipooxygenase activity. International Journal of Entomology Research, Volume 7, Issue 2, 2022, Pages 154-162