Abstract
The experiment was conducted at the Youngwala experimental area of the Department of Agri. Entomology, University of Agriculture, Faisalabad in a Randomized Complete Block Design (RCBD), with 24 treatments excluding one control. The data for maize stem borer population was recorded after 3 days, 7 days and 14 days post IGRs application. The results obtained are concluded that all the insect growth regulators were equally effective against maize stem borer at different concentrations and on the numerical basis lowest stem borer population and its infestation was recorded in the pyriproxyfen® and priority® at 2x concentration and at concentration of field recommended concentration followed by other treatments concentrations. So, among the entire tested insect growth regulators pyriproxyfen® and priority® were the most effective IGRs against maize borer. Among the entire tested insect growth regulators viper® and sitara® were the least effective IGRs against maize borer.
Highlights
United States, Canada and 7.82 T, China and Agricultural gross domestic product and France, 7.14 tons of HA-1 [1] of 4.85 tons, 85% of export revenue and employment to a and in Pakistan, corn planting 967,000 total of 25 to 50% of the labor force, hectares, with an annual output of more than according to Pakistan's economy is built on3.0, the average yield of 1970 kg HA-1 of the national level
Its yield in Pakistan is only 3.0 t ha-1 compared to USA 8.92 t ha-1, Canada 7.82 t ha-1, France 7.14 t ha-1 and China 4.85 t ha-1 [1] and in Pakistan, maize is grown over an area of 967 thousand hectares with an annual production of 1731 thousand tons with an average yield of 1970 kg ha-1 [2]
Design, Sitara®, Viper®, Lufenuron® Pyriproxyfen® Priority® and TRACK® IGRS Corn Borer liked the sense of residual toxicity and effectiveness of the evaluation forms
Summary
United States, Canada and 7.82 T, China and Agricultural gross domestic product and France, 7.14 tons of HA-1 [1] of 4.85 tons, 85% of export revenue and employment to a and in Pakistan, corn planting 967,000 total of 25 to 50% of the labor force, hectares, with an annual output of more than according to Pakistan's economy is built on. 3.0, the average yield of 1970 kg HA-1 of the national level. Corn (L Egypt), popular the 1731 tons 6.4% of corn grain production. In the country [2]. Agriculture being the Pakistan produced only 8,92 t ha -1, the backbone of Pakistan’s economy employs
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