Determination of Economic Threshold Level (ETL) of Jassid, Amrasca bigutulla bigutulla (Cicadellidae:Homoptera)
Determination of Economic Threshold Level (ETL) of Jassid, Amrasca bigutulla bigutulla (Cicadellidae:Homoptera)
Shoaib Nawaz1, Muhammad Razaq1, Zahid Mahmood Sarwar1*, Muhammad Sajjad1*, Syeda Aneeza Ubaid1, Muhammad Asif Zulfiqar2 and Usman Haider1
ABSTRACT
Okra, Abelmoschus esculentus (Moench) is most important vegetable crop of Pakistan and considered a heat loving plant cultivated in kharif and Rabi season. Okra fruit due to its nutrients like protein vitamin calcium potassium, value play an important role in Ghanaians diet. Sucking pest jassid become major problem on okra in tropical and subtropical regions and cause heavy losses. Neonicotinoid insecticide, like nitenpyram was used on calendar basis and ETL basis. Data was recorded on weekly basis. In first week jassid population in control and ETL treatments was equal with non-significant difference between them while in calendar treatment population was significantly low. ETL and calendar base treatments give maximum yield because numbers of pest in both treated plots remain control.
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