{"id":125,"date":"2005-04-26T03:40:15","date_gmt":"2005-04-26T03:40:15","guid":{"rendered":"http:\/\/envafs.dungnq.local\/2005\/04\/26\/study-on-finding-measures-for-prevention-and-control-of-white-butterfly-eublemma-amabilis-moore-which-causes-damage-for-lac-insects-1971-1973\/"},"modified":"2005-04-26T03:40:15","modified_gmt":"2005-04-26T03:40:15","slug":"study-on-finding-measures-for-prevention-and-control-of-white-butterfly-eublemma-amabilis-moore-which-causes-damage-for-lac-insects-1971-1973","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/en\/study-on-finding-measures-for-prevention-and-control-of-white-butterfly-eublemma-amabilis-moore-which-causes-damage-for-lac-insects-1971-1973\/","title":{"rendered":"study on finding measures for prevention and control of white butterfly eublemma amabilis moore which causes damage for lac insects ( 1971 &#8211; 1973)"},"content":{"rendered":"<p><P>Le Nam Hung<br \/>\n<P>Nguyen Van Do<br \/>\n<P><br \/>\n<P><br \/>\n<P>Every year Shellac production is seriously damaged by insects ( more than 30%, Le Van Giai, 1965) and mainly by white butterfly. Based on research carried out on this butterfly in China, Wang Kinh Ti ( 1963) expressed similar opinions.<br \/>\n<P><br \/>\n<P>RESEARCH CONTENT AND RESULTS<br \/>\n<P><br \/>\n<P>After three years of raising white butterfly in the laboratory and experimental gardens (1971 &#8211; 1973), some results are as follows,<br \/>\n<P><br \/>\n<P>1. The white butterfly is a small species which is active at night, from 22p.m to 2 a.m. Females have 310 &#8211; 375 eggs, but they produce only 160-180 eggs. Eggs are scattered on the nest, with a maximum of 5 eggs\/1cm2 and are produced just after settlement. In the early stage, young worms build a nest which can be easily seen.<br \/>\n<P><br \/>\n<P>At a temperature of 27<SUP>o<\/SUP>C, eggs developed within 8-10 days; larvae have 5 stages and develop in 30-35 days, and the pupae stage can develop within 11.5 days in 25<SUP>o<\/SUP>C conditions. One life cycle of the while butterfly lasts 60-70 days. In one year at Luongson, Hoabinh province, the white butterfly can produce 5 generations.<br \/>\n<P><br \/>\n<P>In 1972 in Maichau and Luongson, Hoabinh province, Lac insects were damaged by the white butterfly at a rate of 0.30 fly\/1cm2. In Luongson where Lac insects were raised in great numbers the damage was less.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Every year Shellac production is seriously damaged by insects ( more than 30%, Le Van Giai, 1965) and mainly by white butterfly. Based on research carried out on this butterfly in China, Wang Kinh Ti ( 1963) expressed similar opinions.<\/p>\n<p>RESEARCH CONTENT AND RESULTS<\/p>\n<p>After three years of raising white butterfly in the laboratory and experimental gardens (1971 &#8211; 1973), some results are as follows,<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/125"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/comments?post=125"}],"version-history":[{"count":0,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/125\/revisions"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/media?parent=125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/categories?post=125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/tags?post=125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}