10. Comparative efficacy of four insecticides and two indigenous plant extracts against wild crucifer aphid, Lipaphis erysimi (Hemiptera: Aphididae)

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Habib-ur- Rehman Qurban Ali Amer Rasul, Muhammad Sagheer Beenish Majeed Muhammad Aslam Farooqi

Abstract

Gold-of-pleasure, leindotter and linseed dodder are the titles used for Camelina sativa L. This crop is under menace of severe infestation of aphid. Aphid population of was noted from arbitrarily five selected camelina plants of every treatment. Two plant oils (Ricinus communis, Jatropha curcus) and four synthetic insecticides (Acetamiprid, Imidachloprid, Cypermethrin and Diafenthiuron) were used. Mortality data of L. erysimi was recorded at regular interval of 24 hs. till 96 hs. of treatments applications. Results of toxicity bioassays displayed that application of Acetamiprid and R. communis resulted in enhanced mortality of L. erysimi than the other treatments, applied. Highest mortality rate (78.67%) of the test insect pest was recorded in Canadian variety of camelina by application of Acetamiprid whilst lowest 36.10% was observed by Diafenthiuron, after exposure period of 96 hs. While highest and lowest mortality rates of the target insect pest in Australian camelina were 70.19% and 29.10%, respectively. Consequently, it is concluded that the application of Acetamiprid can be an effective tool in integrated pest management programme.


Keywords: Infestation; Integrated pest management; Mortality; Treatment and varieties


http://dx.doi.org/10.19045/bspab.2020.90188


 

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