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Position: Home > Articles > Observation of biological character of Drosophila melanogaster Meigen on cherry and screening of its insecticides. Plant Diseases and Pests 2013,4 (1)

Observation of biological character of Drosophila melanogaster Meigen on cherry and screening of its insecticides.

作  者:
Li DeYou;Xiaojun Chen;Li ChongHui;Geng Kun;Bin Zhang;Ji-Feng Hu;Jing Yua
关键词:
00;dilution;times;insecticides;000;d. melanogaste
摘  要:
Indoor rearing observation and efficacy test of insecticides were conducted in 2010 to understand the biochemical characteristics of Drosophila melanogaster and high efficient insecticides against the insect pest. The results showed that D. melanogaster had preference to eight kinds of fruits with proliferation. Female adults of D. melanogaster laid eggs under epidermis of cherry fruits and newly hatched larvae caused damage on fruits. When the temperatures were (18±2) ℃ and (23±2) ℃, the egg stage was 2.4-3.0 and 1.2-1.8 d; the larval stage was 11.2-12.2 and 5.6-6.5 d; the papal stage was 9.5-10.6 and 5.0-6.2 d; one generation was 23.1-25.4 and 12.8-14.2 d, respectively. Four insecticides (including 1% emamectin benzoate EC 3 000 times dilution, 90% crystal trichlorfon 1 000 times dilution, 40% phoxim EC 1 500 times dilution and 25% buprofezin WP 2 000 times dilution) had higher control effects against D. melanogaster, with mortalities of 85.00%-100.00%, 96.67%-100.00% and 100.00% after insecticide application for 1, 3 and 6 h, respectively.

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