Abstract
In 2015-2016 years for the purpose of studying the most acceptable methods of eradicating foci of melon flies, the effectiveness of chemical and agro technical measures in field conditions of the Kyzylorda region of the Republic of Kazakhstan were determined. Practical experience in the application of various phytosanitary measures for the localization and elimination of the melon flies foci was summarized. The principal role in limiting the further spread of the pest has been assigned to strict observance of quarantine phytosanitary measures. The effectiveness of agro technical and chemical measures applied against the melon flies has been assessed. The elements of the melon flies mass reproduction technology have been developed, including the collection of melon fly puparia in nature, their delivery to the laboratory, storage, emergence of flies from puparia, feeding, reproduction and obtaining laboratory population. The most optimal dose of radiation has been established for the treatment and release of sterile males.
Highlights
The melon fly (Myiopardalis pardalina Big.) is a dangerous pest of melons, watermelon, pumpkin and cucumber all over the world (Toreniyazov 2010; Saparmamedova, 2004)
There is a set of protective measures to fight against the melon flies, which is based on the characteristics of pest biology:
Melon seeds give early shoots and in 50-60 days the fruits of early varieties have time to enter the maturation phase, when the melon fruits become weakly damaged by a melon fly
Summary
The melon fly (Myiopardalis pardalina Big.) is a dangerous pest of melons, watermelon, pumpkin and cucumber all over the world (Toreniyazov 2010; Saparmamedova, 2004). According to the data of the Plant Quarantine Department of the Kyzylorda Regional Territorial Inspectorate of the Ministry of Agriculture of the Republic of Kazakhstan, 2010 hectares of melons were treated in 2011 and 6253,5 hectares -in 2017. Starting from 2011, the yield losses from the melon flies in the Kyzylorda and South Kazakhstan regions have ranged from 10 to 25% and in some places equaled to 100%. According to the Inspectorate of Plant Quarantine in the South-Kazakhstan region, starting from 2012 the situation with the spread of the melon flies has become tenser. The foci were found in almost all areas of melon cultivation in the Arys, Baidibek, Kazygurt, Maktaaral, Otyrar, Ordabasin, Saryagash, Shardara and Turkestan regions and a quarantine regime has been declared. Despite the ongoing quarantine and protective measures against the melon flies, the area subject to treatment has been increasing every year
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