{"id":42595,"date":"2026-08-24T12:17:47","date_gmt":"2026-08-24T10:17:47","guid":{"rendered":"https:\/\/biocontroltechnologies.com\/2026\/08\/24\/mecanismes-daccio-per-que-un-fungicida-quimic-i-un-de-basat-en-un-microorganisme-no-es-descriuen-igual\/"},"modified":"2026-08-27T12:16:15","modified_gmt":"2026-08-27T10:16:15","slug":"mecanismes-daccio-per-que-un-fungicida-quimic-i-un-de-basat-en-un-microorganisme-no-es-descriuen-igual","status":"publish","type":"post","link":"https:\/\/biocontroltechnologies.com\/ca\/2026\/08\/24\/mecanismes-daccio-per-que-un-fungicida-quimic-i-un-de-basat-en-un-microorganisme-no-es-descriuen-igual\/","title":{"rendered":"Mecanismes d&#8217;acci\u00f3: per qu\u00e8 un fungicida qu\u00edmic i un de basat en un microorganisme no es descriuen igual"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42595\" class=\"elementor elementor-42595 elementor-41873\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31034e3 e-con e-atomic-element e-flexbox-base e-775c0b6 \" data-id=\"31034e3\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"31034e3\" data-e-type=\"e-flexbox\" data-id=\"31034e3\">\n    <div class=\"elementor-element elementor-element-0b91a3a e-con-full e-flex e-con e-parent\" data-id=\"0b91a3a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-57cb1ed e-con-full e-flex e-con e-child\" data-id=\"57cb1ed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2927f45 elementor-widget__width-initial elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2927f45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"bct-moa-hero\">\n<div class=\"bct-moa-hero__content\">\n<p><span class=\"bct-moa-hero__eyebrow\"><br>T34 Biocontrol\u00ae \u00b7 Mecanismes d&#8217;Acci\u00f3<br><\/span><\/p>\n<h1 class=\"bct-moa-hero__title\">Per qu\u00e8 un fungicida qu\u00edmic i un de basat en un microorganisme no es descriuen igual<\/h1>\n<div class=\"bct-moa-hero__rule\" aria-hidden=\"true\"> <\/div>\n<p class=\"bct-moa-hero__lede\">M\u00f2dul 1\/3<\/p>\n<div class=\"bct-moa-hero__actions\">\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7a549f4 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"7a549f4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d47d95c\" data-id=\"d47d95c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6163033 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"6163033\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Quan un t\u00e8cnic avalua un fungicida convencional, la pregunta sobre la seva manera d&#8217;actuar sol tenir una resposta curta: inhibeix la respiraci\u00f3 mitocondrial, bloqueja la bios\u00edntesi d&#8217;esterols, interfereix en la divisi\u00f3 cel\u00b7lular. Una mol\u00e8cula, una funci\u00f3 alterada, un efecte previsible. Aquesta resposta cap en una l\u00ednia de la fitxa t\u00e8cnica.  <\/p>\n<p>Quan es trasllada la mateixa pregunta a un producte formulat amb un microorganisme viu, la resposta deixa de cabre en una l\u00ednia. En general, un agent de control biol\u00f2gic es comporta de manera diferent segons el patogen, el s\u00f2l, el moment d&#8217;aplicaci\u00f3 o l&#8217;estat del cultiu. De la mateixa manera que cada mol\u00e8cula qu\u00edmica \u00e9s diferent, cada microorganisme \u00e9s diferent, fins i tot dins d&#8217;un mateix g\u00e8nere i esp\u00e8cie. Per aquest motiu, els registres fitosanitaris biol\u00f2gics s\u00f3n espec\u00edfics a escala de soca (individu) i la seva gesti\u00f3 agron\u00f2mica exigeix criteris propis.   <\/p>\n<p>Comprendre els <strong>mecanismes d&#8217;acci\u00f3 en el control biol\u00f2gic<\/strong> \u00e9s, per tant, una necessitat pr\u00e0ctica abans que te\u00f2rica. Determina quan aplicar, qu\u00e8 esperar, com integrar-lo amb la resta de mesures i quines afirmacions comercials mereixen cr\u00e8dit. En aquest article s&#8217;ordena aquest coneixement: qu\u00e8 \u00e9s exactament un mecanisme d&#8217;acci\u00f3, en qu\u00e8 es diferencia de la diana sobre la qual actua, per qu\u00e8 la l\u00f2gica dels biol\u00f2gics no \u00e9s traslladable sense matisos a la dels qu\u00edmics i, a m\u00e9s, quines difer\u00e8ncies importants hi ha entre soques.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-683a2a2 elementor-widget elementor-widget-heading\" data-id=\"683a2a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. De la mol\u00e8cula a l'organisme viu i a la complementarietat d'accions: per qu\u00e8 la pregunta canvia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a78ec11 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a78ec11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La normativa europea de sanitat vegetal ha emp\u00e8s el sector cap a un model de gesti\u00f3 que ja no descansa en una sola eina. La Directiva 2009\/128\/CE va establir el marc comunitari per a l&#8217;\u00fas sostenible dels productes fitosanitaris, amb la gesti\u00f3 integrada de plagues i malalties com a eix: m\u00e8todes f\u00edsics, culturals i de maneig, biol\u00f2gics, gen\u00e8tics i biotecnol\u00f2gics i, en darrer lloc, la utilitzaci\u00f3 dels qu\u00edmics de s\u00edntesi. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-006abac elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"006abac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<figure class=\"bct-article-graphic bct-article-gip\">\n<div class=\"bct-article-gip__funnel\">\n<div class=\"bct-article-gip__tier bct-article-gip__tier--1\">1 \u00b7 Pr\u00e0ctiques agron\u00f2miques<\/div>\n<div class=\"bct-article-gip__tier bct-article-gip__tier--2\">2 \u00b7 Inspecci\u00f3 i monitoratge<\/div>\n<div class=\"bct-article-gip__tier bct-article-gip__tier--3\">3 \u00b7 Control mec\u00e0nic y f\u00edsic<\/div>\n<div class=\"bct-article-gip__tier bct-article-gip__tier--4\">4 \u00b7 Control biol\u00f2gic<\/div>\n<div class=\"bct-article-gip__gap\" aria-hidden=\"true\"> <\/div>\n<div class=\"bct-article-gip__apex\" role=\"img\" aria-label=\"Control qu\u00edmico separado de los niveles preventivos y biol\u00f3gicos\"> <\/div>\n<p class=\"bct-article-gip__apex-label\">Control qu\u00edmic Nom\u00e9s si els anteriors no s\u00f3n suficients<\/p>\n<\/div>\n<figcaption class=\"bct-article-gip__legend\">\n<div class=\"bct-article-gip__item\">\n<p class=\"bct-article-gip__n\">01<\/p>\n<p class=\"bct-article-gip__h\">Pr\u00e0ctiques agron\u00f2miques<\/p>\n<p class=\"bct-article-gip__d\">\u00das racional de l&#8217;aigua, fertilitzaci\u00f3 correcta i varietats resistents. Redueixen l&#8217;establiment i la dispersi\u00f3 de manera preventiva. <\/p>\n<\/div>\n<div class=\"bct-article-gip__item\">\n<p class=\"bct-article-gip__n\">02<\/p>\n<p class=\"bct-article-gip__h\">Inspecci\u00f3 y monitoratge<\/p>\n<p class=\"bct-article-gip__d\">Dades s\u00f2lides per decidir. A m\u00e9s verifiquen si les estrat\u00e8gies aplicades estan funcionant. <\/p>\n<\/div>\n<div class=\"bct-article-gip__item\">\n<p class=\"bct-article-gip__n\">03<\/p>\n<p class=\"bct-article-gip__h\">Control mec\u00e0nic i f\u00edsic<\/p>\n<p class=\"bct-article-gip__d\">Maten la plaga directament, la bloquegen o fan que el medi deixi de ser apte per a ella.<\/p>\n<\/div>\n<div class=\"bct-article-gip__item\">\n<p class=\"bct-article-gip__n\">04<\/p>\n<p class=\"bct-article-gip__h\">Control biol\u00f2gic<\/p>\n<p class=\"bct-article-gip__d\">Enemics naturals i microorganismes agents de control. Sense resist\u00e8ncies i segur per la fauna i el medi ambient. <\/p>\n<\/div>\n<\/figcaption>\n<\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc1be54 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"fc1be54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Aquest despla\u00e7ament ha comportat un problema de llenguatge. Les categories amb qu\u00e8 el sector va aprendre a descriure els fungicides (manera d&#8217;actuar, lloc d&#8217;uni\u00f3, grup de resist\u00e8ncia) s&#8217;apliquen als biol\u00f2gics per in\u00e8rcia, tot i que l&#8217;objecte que descriuen sigui d&#8217;una altra naturalesa. Un microorganisme no \u00e9s una mol\u00e8cula. Encara que no resulti perceptible a simple vista, \u00e9s un sistema biol\u00f2gic considerablement m\u00e9s complex, capa\u00e7 de respondre a l&#8217;entorn, de modular la seva activitat i de desplegar processos diferents en moments diferents de la interacci\u00f3.   <\/p>\n<p>La conseq\u00fc\u00e8ncia pr\u00e0ctica \u00e9s doble. D&#8217;una banda, moltes expectatives de camp es formulen sobre un model mental equivocat: s&#8217;espera d&#8217;un biol\u00f2gic la corba de resposta r\u00e0pida i uniforme d&#8217;un qu\u00edmic de contacte. De l&#8217;altra, bona part de la comunicaci\u00f3 t\u00e8cnica del sector barreja sense distingir-les tres nocions \u2014el mecanisme, l&#8217;efecte observable i el benefici agron\u00f2mic\u2014 que conv\u00e9 mantenir separades.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c7375e elementor-widget elementor-widget-heading\" data-id=\"7c7375e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Qu\u00e8 \u00e9s un mecanisme d'acci\u00f3 en un producte fitosanitari<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ee1350 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2ee1350\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"bct-article-graphic bct-article-definition\">\n<p class=\"bct-article-definition__q\"><em><strong>El mecanisme d&#8217;acci\u00f3 \u00e9s el proc\u00e9s causal mitjan\u00e7ant el qual una subst\u00e0ncia activa produeix un efecte de control sobre l&#8217;organisme diana o sobre la malaltia en les plantes i els cultius.<\/strong><\/em><\/p>\n<div class=\"bct-article-definition__notes\">\n<div>\n<p class=\"bct-article-definition__nt\">causal<\/p>\n<p class=\"bct-article-definition__nd\">No n&#8217;hi ha prou en observar una reducci\u00f3 de la malaltia per atribuir-la a un mecanisme determinat.<\/p>\n<\/div>\n<div>\n<p class=\"bct-article-definition__nt\">sust\u00e0ncia activa<\/p>\n<p class=\"bct-article-definition__nd\">Una soca concreta ho \u00e9s tant com una mol\u00e8cula de s\u00edntesi.<\/p>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c83538 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1c83538\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Val la pena aturar-se en dues paraules d&#8217;aquesta definici\u00f3. La primera \u00e9s <em>causal<\/em>: no n&#8217;hi ha prou que s&#8217;observi una reducci\u00f3 de la malaltia per atribuir un mecanisme. La segona \u00e9s <em>subst\u00e0ncia activa<\/em>: en el marc regulador europeu, una soca concreta d\u2019un microorganisme \u00e9s tan subst\u00e0ncia activa com una mol\u00e8cula de s\u00edntesi i, per tant, se li exigeix la mateixa descripci\u00f3 del proc\u00e9s pel qual actua.  <\/p>\n<p>La definici\u00f3 s&#8217;aplica de manera transversal a productes qu\u00edmics i a agents microbians. En tots dos casos el mecanisme ha de descriure un proc\u00e9s que contribueixi causalment a la reducci\u00f3 de la malaltia, i no simplement una caracter\u00edstica del producte, del cultiu o del sistema de producci\u00f3. Que un formulat sigui estable, que colonitzi b\u00e9 o que resulti c\u00f2mode d&#8217;aplicar s\u00f3n atributs valuosos, per\u00f2 no s\u00f3n mecanismes d&#8217;acci\u00f3.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d185ed0 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d185ed0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"bct-article-graphic bct-article-chain\">\n<div class=\"bct-article-chain__node\">\n<p class=\"bct-article-chain__t\">Mecanisme<\/p>\n<p class=\"bct-article-chain__d\">El proc\u00e9s biol\u00f2gic afectat<\/p>\n<\/div>\n<div class=\"bct-article-chain__arrow\" aria-hidden=\"true\">\u2192<\/div>\n<div class=\"bct-article-chain__node\">\n<p class=\"bct-article-chain__t\">Efecte observable<\/p>\n<p class=\"bct-article-chain__d\">Menor incid\u00e8ncia al camp<\/p>\n<\/div>\n<div class=\"bct-article-chain__arrow\" aria-hidden=\"true\">\u2192<\/div>\n<div class=\"bct-article-chain__node\">\n<p class=\"bct-article-chain__t\">Benefici agron\u00f2mic<\/p>\n<p class=\"bct-article-chain__d\">Rendiment i qualitat<\/p>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8df1eb elementor-widget elementor-widget-heading\" data-id=\"b8df1eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Mecanisme d'acci\u00f3 i diana d'acci\u00f3 no s\u00f3n sin\u00f2nims<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ba34c3 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8ba34c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u00c9s una confusi\u00f3 freq\u00fcent i conv\u00e9 desfer-la, perqu\u00e8 t\u00e9 conseq\u00fc\u00e8ncies sobre com s&#8217;interpreten les resist\u00e8ncies.<\/p>\n<p>El <strong>mecanisme d&#8217;acci\u00f3<\/strong> descriu el proc\u00e9s biol\u00f2gic afectat. La<strong> diana o lloc d&#8217;acci\u00f3<\/strong> \u00e9s l&#8217;estructura, mol\u00e8cula, enzim o complex espec\u00edfic sobre el qual s&#8217;actua dins d&#8217;aquest proc\u00e9s. El FRAC, de l&#8217;angl\u00e8s Fungicide Resistance Action Committee, o comit\u00e8 internacional d&#8217;acci\u00f3 contra les resist\u00e8ncies als fungicides, ho formula assenyalant que dins de cada manera d&#8217;actuar existeixen llocs d&#8217;acci\u00f3 espec\u00edfics, per exemple, enzims concrets d&#8217;un proc\u00e9s cel\u00b7lular als quals s&#8217;uneixen els fungicides.  <\/p>\n<p>El mateix FRAC il\u00b7lustra la distinci\u00f3 amb un exemple conegut: les estrobilurines (QoI) i els SDHI comparteixen un mateix mecanisme general, la inhibici\u00f3 de la respiraci\u00f3, per\u00f2 actuen sobre llocs diferents de la cadena respirat\u00f2ria \u2014complex III i complex II, respectivament\u2014. Mateix proc\u00e9s afectat, dianes diferents. <\/p>\n<p>Formulat de manera breu per a \u00fas t\u00e8cnic divulgatiu: <\/p>\n<p>&#8211; <strong>El mecanisme d&#8217;acci\u00f3 \u00e9s el proc\u00e9s pel qual un producte aconsegueix controlar una malaltia;<\/strong> <\/p>\n<p><strong>&#8211; La diana \u00e9s l&#8217;estructura o mol\u00e8cula concreta sobre la qual actua dins d&#8217;aquest proc\u00e9s.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bd8b9c elementor-widget elementor-widget-heading\" data-id=\"1bd8b9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. Acci\u00f3 espec\u00edfica i acci\u00f3 general: dues l\u00f2giques diferents<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-869aadd elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"869aadd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>D&#8217;aqu\u00ed se&#8217;n deriva la difer\u00e8ncia operativa m\u00e9s rellevant per al t\u00e8cnic de camp.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8441a8 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d8441a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"bct-comparison-table\">\n<div class=\"bct-comparison-table__scroll\">\n<table><colgroup> <col> <col> <col> <\/colgroup>\n<thead>\n<tr>\n \n<th scope=\"col\"><\/th><th scope=\"col\">Fitosanitari qu\u00edmic (acci\u00f3 espec\u00edfica)<\/th>\n<th scope=\"col\">Fitosanitari biol\u00f2gic (acci\u00f3 general)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Naturalesa del mecanisme<\/th>\n <td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari qu\u00edmic \u00b7 acci\u00f3 espec\u00edfica<\/span> Alteraci\u00f3 d&#8217;una funci\u00f3 biol\u00f2gica concreta del patogen per una subst\u00e0ncia activa<\/td>\n<span class=\"bct-comparison-table__mobile-label\"> <\/span><td>Fitosanitari biol\u00f2gico \u00b7 acci\u00f3 general Proc\u00e9s funcional associat a un organisme viu<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Diana<\/th>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari qu\u00edmic \u00b7 acci\u00f3 espec\u00edfica<\/span> Sovint vinculable a una mol\u00e8cula espec\u00edfica: un enzim, una prote\u00efna, un complex cel\u00b7lular<\/td>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari biol\u00f2gico \u00b7 acci\u00f3 general<\/span> Dif\u00edcilment redu\u00efble a una diana \u00fanica; variable segons la interacci\u00f3<\/td>\n<\/tr>\n<tr>\n <th scope=\"row\">Variabilitat<\/th>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari qu\u00edmic \u00b7 acci\u00f3 espec\u00edfica<\/span> Comportament relativament uniforme<\/td>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari biol\u00f2gic \u00b7 acci\u00f3 general<\/span> Variable segons la soca, l&#8217;organisme diana (patogen), la planta hoste i les condicions ambientals<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Multiplicitat<\/th>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari qu\u00edmic \u00b7 acci\u00f3 espec\u00edfica <\/span>Habitualment un mecanisme principal<\/td>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari biol\u00f2gic \u00b7 acci\u00f3 general<\/span> \u00c9s habitual trobar microorganismes amb m\u00faltiples mecanismes que poden actuar de manera independent o conjunta<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Risc de resist\u00e8ncia<\/th>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari qu\u00edmic \u00b7 acci\u00f3 espec\u00edfica <\/span>L&#8217;especificitat pot conduir amb el temps a la selecci\u00f3 de poblacions resistents. La conseq\u00fc\u00e8ncia \u00e9s que el producte deixa de funcionar<\/td>\n<td><span class=\"bct-comparison-table__mobile-label\">Fitosanitari biol\u00f2gic \u00b7 acci\u00f3 general<\/span> La complexitat de l&#8217;acci\u00f3 dificulta la generaci\u00f3 de resist\u00e8ncies. La selecci\u00f3 de poblacions resistents \u00e9s poc probable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b779fb7 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b779fb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Aquesta diferenciaci\u00f3 no obliga a manejar dues definicions diferents de \u00abmecanisme d&#8217;acci\u00f3\u00bb. Serveix per a una cosa m\u00e9s \u00fatil: evitar traslladar sense matisos el model molecular dels fungicides qu\u00edmics als microorganismes de control biol\u00f2gic, que \u00e9s l&#8217;origen de bona part dels malentesos t\u00e8cnics i de les expectatives mal calibrades a camp. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3515c31 elementor-widget elementor-widget-heading\" data-id=\"3515c31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Referencies:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2afa966 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2afa966\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol>\n<li><em>Fungicide Resistance Management | FRAC<\/em>. (s. f.). FRAC.   <a href=\"https:\/\/www.frac.info\/fungicide-resistance-management\">https:\/\/www.frac.info\/fungicide-resistance-management<\/a><\/li>\n<li>European Parliament &amp; Council of the European Union. (2009). Directive 2009\/128\/EC of the European Parliament and of the Council of 21 October 2009 establishing a framework for Community action to achieve the sustainable use of pesticides. <em>Official Journal of the European Union, L 309<\/em>, 71\u201386. <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/?uri=CELEX:32009L0128\">https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/?uri=CELEX:32009L0128<\/a><\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-7d5d7ed e-con e-atomic-element e-flexbox-base e-7d5d7ed-378d02c \" data-id=\"7d5d7ed\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"7d5d7ed\" data-e-type=\"e-flexbox\" data-id=\"7d5d7ed\">\n    <div class=\"elementor-element elementor-element-004c534 e-con e-atomic-element e-flexbox-base e-004c534-fcb5b8c \" data-id=\"004c534\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"004c534\" data-e-type=\"e-flexbox\" data-id=\"004c534\">\n    <div class=\"elementor-element elementor-element-14c1a3e e-con e-atomic-element e-flexbox-base e-14c1a3e-93717e1 \" data-id=\"14c1a3e\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"14c1a3e\" data-e-type=\"e-flexbox\" data-id=\"14c1a3e\">\n    \t\t<div class=\"elementor-element elementor-element-b1ea871 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b1ea871\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<section id=\"bct-next-module-cta\" class=\"bct-next-module\">\n<div class=\"bct-next-module__intro\">\n<div class=\"bct-next-module__intro-grid\">\n<div class=\"bct-next-module__intro-copy\"><span class=\"bct-next-module__eyebrow\"> Qu\u00e8 ve a continuaci\u00f3 <\/span>\n<h2 class=\"bct-next-module__title\">Del marc conceptual als sis mecanismes d&#8217;acci\u00f3 del control biol\u00f2gic<\/h2>\n<div class=\"bct-next-module__copy\">\n<p>Definir qu\u00e8 \u00e9s un mecanisme d&#8217;acci\u00f3 i distingir-lo de la diana sobre la qual actua resol el marc conceptual, per\u00f2 deixa oberta la pregunta que interessa al t\u00e8cnic de camp: <strong>quins s\u00f3n aquests mecanismes i com funcionen un per un.<\/strong><\/p>\n<p>La resposta no \u00e9s una llista curta. Un agent de control biol\u00f2gic pot treballar simult\u00e0niament en dues direccions, sobre el patogen i sobre la planta, i desplega en cadascuna processos de naturalesa diferent: des del parasitisme directe de les hifes del patogen fins a l&#8217;activaci\u00f3 del sistema immunitari de la planta, per exemple amb l&#8217;aplicaci\u00f3 feta a l&#8217;arrel i la resposta mesurada a la fulla. <\/p>\n<p>El segon cap\u00edtol d&#8217;aquesta s\u00e8rie recorre aquests sis blocs, explica quina evid\u00e8ncia els avala i assenyala quins s\u00f3n mecanismes de control pr\u00f2piament dits i quins es descriuen millor com a efectes funcionals addicionals. \u00c9s una distinci\u00f3 que poques vegades apareix en la comunicaci\u00f3 t\u00e8cnica del sector i que separa un discurs rigor\u00f3s d&#8217;un de merament comercial. <\/p>\n<\/div>\n<\/div>\n<div class=\"bct-next-module__media\">\n<figure class=\"bct-next-module__figure\"><img decoding=\"async\" class=\"bct-next-module__image\" src=\"https:\/\/biocontroltechnologies.com\/wp-content\/uploads\/2026\/08\/t-asperellum-strain-t34-parasiting-didymella.png\" alt=\"Trichoderma asperellum soca T34 parasiten Didymella\"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"bct-next-module__transition\">\n<div class=\"bct-next-module__content\"><span class=\"bct-next-module__module\"> Cap\u00edtol II <\/span>\n<h3 class=\"bct-next-module__cta-title\">Els sis mecanismes d&#8217;acci\u00f3 del control biol\u00f2gic: com actuen els microorganismes en el pat\u00f2gen i a la planta<\/h3>\n<p class=\"bct-next-module__cta-text\">Els sis mecanismes d&#8217;acci\u00f3 del control biol\u00f2gic explicats un per un: com actuen els microorganismes en el pat\u00f3geno i a la planta.<\/p>\n<\/div>\n<div class=\"bct-next-module__action\"><a class=\"bct-next-module__button\" href=\"URL-M\u00d2DUL-II\" aria-label=\"Leer el M\u00f3dulo II sobre los seis mecanismos de acci\u00f3n del control biol\u00f3gico\"> Acedeix al Cap\u00edtol II <span class=\"bct-next-module__arrow\" aria-hidden=\"true\"> \u2192 <\/span>  <\/a><\/div>\n<\/div>\n<\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>T34 Biocontrol\u00ae \u00b7 Mecanismes d&#8217;Acci\u00f3 Per qu\u00e8 un fungicida qu\u00edmic i un de basat en un microorganisme no es descriuen igual M\u00f2dul 1\/3 Quan un t\u00e8cnic avalua un fungicida convencional, la pregunta sobre la seva manera d&#8217;actuar sol tenir una resposta curta: inhibeix la respiraci\u00f3 mitocondrial, bloqueja la bios\u00edntesi d&#8217;esterols, interfereix en la divisi\u00f3 cel\u00b7lular. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":42559,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1316,1334,1246],"tags":[],"class_list":["post-42595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-cat","category-registre-i-autoritzacio","category-sin-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u00e8 \u00e9s un mecanisme d&#039;acci\u00f3 en sanitat vegetal<\/title>\n<meta name=\"description\" content=\"Qu\u00e8 \u00e9s un mecanisme d\u2019acci\u00f3 en un producte fitosanitari, en qu\u00e8 es diferencia de la diana i per qu\u00e8 els productes qu\u00edmics i biol\u00f2gics no es descriuen de la mateixa manera.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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