Cotarul brun este un d\u0103un\u0103tor polifag, ierneaz\u0103 \u00een stadiul de larv\u0103 de diferite v\u00e2rste la suprafa\u021ba solului, sub frunzele c\u0103zute, sub scoar\u021ba butucilor. Are 2 genera\u021bii pe an. \u00cen prim\u0103var\u0103, c\u00e2nd temperaturile ating +6 \u2013 +7 \u00b0C, larvele ies din locurile de ad\u0103post \u0219i atac\u0103 mugurii umfla\u021bi. Larva are lungimea variabil\u0103, \u00eentre 6-8 mm p\u00e2n\u0103 la 18-20 mm av\u00e2nd o culoare foarte apropiat\u0103 de cea a scoar\u021bei butucilor (posed\u0103 mimicrie). O larv\u0103 poate distrugere p\u00e2n\u0103 la 10 muguri, produc\u00e2nd pierderi apreciabile de produc\u021bie. Lu\u00e2nd \u00een considerare incivitatea d\u0103un\u0103torului, este necesar\u0103 efectuarea unei determin\u0103ri densit\u0103\u021bii. \u00cen acest scop prim\u0103vara, c\u00e2nd temperatura aeriului zuia dep\u0103\u0219e\u0219te +6 \u00b0C, \u00een gospod\u0103riile viticole din Republica Moldova se recomand\u0103 efectuarea evitimentelor la minimum de 20 de butuci, amplas\u0103ri randomizate pe diagonala plantatiei viticole. Fiecare butuc se examineaz\u0103 minu\u021bios, deoarece larvele la ie\u0219ire din locurile de iernare sunt de diferite v\u00e2rste, sunt mici \u0219i nu se deosebesc de c\u0103rcii usc\u0103ci. Au culoarea brun\u0103. Men\u021bion\u0103m c\u0103 pagul economic de daun\u0103 stabilit \u00een condi\u021biile Republicii Moldova constituie 10 larve la 100 butuci examinati.<\/p>\n\n\n\n
\u00cen cazul \u00een care densitatea numeric\u0103 a d\u0103un\u0103torului dep\u0103\u0219e\u0219te pragul economic de daun\u0103, \u00eenainte de umflarea mugurilor (pe sectoarele atacate de d\u0103un\u0103tor \u00een anul precedent), se recomand\u0103 tratamente chimice cu produse autorizate contra cotarul. La via de pe baza de: ciantraniliprol<\/strong>, 100 g\/l \u2013 0,72 l\/ha s.a.; precum \u0219i cu produse recomandate pentru milii torricide \u015fi acarieni: lambda-cihalotin<\/strong>, 50 g\/l – 0,32\u20130,48 l\/ha; pirimifos-metil<\/strong>, 500 g\/l \u2013 1,0\u20131,5 l\/ha; cipermetrin<\/strong>, 250 g\/l \u2013 0,38 l\/ha; esfenvalerat<\/strong>, 50 g\/l \u2013 0,4\u20130,6 l\/ha.<\/p>\n\n\n\n Contra genera\u021biei a doua (atacul larvelor din genera\u021bia II-a trece neobservat, deoarece ele rod frunzele viei de vie \u0219i se hr\u0103nesc cu alte specii de plante – lobod\u0103, susai, volbur\u0103 etc) pot fi aplicate tratamente concomitent cu combaterea moliei verde a strugurilor cu produse autorizate pe baza de: cipermetrin<\/strong>, 500 g\/l, lambda-cihalotin<\/strong>, 100 g\/l, esfenvalerat<\/strong>, 50 g\/l, deltametr\u00een<\/strong>, 250 g\/kg, chlorantraniliprol<\/strong>, 200 g\/l, ciantraniliprol<\/strong>, 100 g\/l, benzozat de emamectin<\/strong> (9,5\u201350\u2013100\u2013200 g\/kg), acetamiprid+lambda-cihalotin<\/strong> (200+150)\/g, lambda-cihalotin+benzoat de emamectin<\/strong>, (50+35) g\/kg s.a..<\/p>\n","protected":false},"excerpt":{"rendered":" Cotarul brun este un d\u0103un\u0103tor polifag, ierneaz\u0103 \u00een stadiul de larv\u0103 de diferite v\u00e2rste la suprafa\u021ba solului, sub frunzele c\u0103zute, sub scoar\u021ba butucilor. Are 2 genera\u021bii pe an. \u00cen prim\u0103var\u0103, c\u00e2nd temperaturile ating +6 \u2013 +7 \u00b0C, larvele ies din locurile de ad\u0103post \u0219i atac\u0103 mugurii umfla\u021bi. Larva are lungimea variabil\u0103, \u00eentre 6-8 mm p\u00e2n\u0103 […]<\/p>\n","protected":false},"author":1,"featured_media":2284,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-2283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recomanded"],"_links":{"self":[{"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/posts\/2283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/comments?post=2283"}],"version-history":[{"count":1,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/posts\/2283\/revisions"}],"predecessor-version":[{"id":2285,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/posts\/2283\/revisions\/2285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/media\/2284"}],"wp:attachment":[{"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/media?parent=2283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/categories?post=2283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/incaamv.md\/ro\/wp-json\/wp\/v2\/tags?post=2283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}