cartoful in RO vol12nr2.pdf - Institutul National de Cercetare ...
cartoful in RO vol12nr2.pdf - Institutul National de Cercetare ...
cartoful in RO vol12nr2.pdf - Institutul National de Cercetare ...
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APLICAREA PREEMERGENTA. A ERBICIDELOR LA<br />
CULTURA CARTOFULUI<br />
Ing. GEORGETA FRANCU,<br />
I.C.P.C.-Bra§ov<br />
Tntre plantaL§<strong>in</strong>3sarirea<strong>cartoful</strong>ui trec 3-4 saptamani, <strong>in</strong>terval <strong>in</strong> care,<br />
datorita temperaturildrlncre§tere,. cat §i a umiditatii d<strong>in</strong> sol creata d<strong>in</strong><br />
precipitatiile cazuteTntimpul iernii,buruienile gasesc conditii favorabile <strong>de</strong><br />
rasarire.<br />
Tn momentul actual>sepdateaprecia ca rezerva biologica d<strong>in</strong> sol a<br />
buruienilor (sem<strong>in</strong>te §ipartivegetale) este foarte mare. Date fi<strong>in</strong>d aceste<br />
conditii, combaterea buruienilord<strong>in</strong>culturile <strong>de</strong> cartof are un rol <strong>de</strong>osebit <strong>in</strong><br />
realizarea productiei<strong>de</strong>tuberculi.<br />
Dupa plantare, pentru· distrugerea buruienilor efemere §i a celor cu<br />
germ<strong>in</strong>atie timpurie <strong>de</strong> primavara, se fac 1-2 pra§i1e mecanice §i<br />
rebilonarea. Epoca optima •• <strong>de</strong> .... aplicare •a erbici<strong>de</strong>lor preemergente cu<br />
actiune reziduala este <strong>in</strong>a<strong>in</strong>te<strong>de</strong> rasarirea <strong>cartoful</strong>ui.<br />
D<strong>in</strong> sortimentul<strong>de</strong>erbici<strong>de</strong> omologat la cultura <strong>cartoful</strong>ui se<br />
recomanda urmatoarele produse:<br />
a LEXONE 75 DF (75 %metribuz<strong>in</strong>).<br />
Erbicidul se prez<strong>in</strong>ta <strong>in</strong> forma <strong>de</strong> granule autodispersabile. Este<br />
recomandat pentru combaterea unu<strong>in</strong>umar mare <strong>de</strong> buruieni dicotiledonate<br />
§i monocotiledonate anuale. Mentionam speciile <strong>de</strong> buruieni combatute: §tir<br />
(Amaranthus sp.), loboda sa/batica (Chenopodium album), albastrita<br />
(Centaurea cyan us)., fumarita (Fumariaoffic<strong>in</strong>alis), lungurica (Galeopsis<br />
tetrahit), urzica moarta (Lamium sp.), mu§etel sa/batic (Matricaria <strong>in</strong>odora),<br />
hri§ca, iarba ro§ie (Polygonum sp.), mu§tar sa/batic (S<strong>in</strong>apis arvensis),<br />
§oparlita (Veronica sp.), mohor (Setaria sp.), busuioc <strong>de</strong> camp (Gal<strong>in</strong>soga<br />
parviflora).<br />
Doza om%gata 0,7-1,2 kg/ha. Se aplica cu 1-3 zile <strong>in</strong>a<strong>in</strong>tea rasaririi<br />
<strong>cartoful</strong>ui.<br />
• GESAGARD 50 PU (50 % prometr<strong>in</strong>)<br />
Erbicid cu actiune reziduala, Gesagard-ul este format ca pulbere<br />
umectabila sau suspensie concentrata. Om%gat la cultura <strong>cartoful</strong>ui, se<br />
recomanda pentru combaterea buruienilor dicotiledonate anuale. Se aplica<br />
cu 2-5 zile <strong>in</strong>a<strong>in</strong>tea rasaririi <strong>cartoful</strong>ui, <strong>in</strong> doze <strong>de</strong> 3-5 kg/ha, <strong>in</strong>diferent <strong>de</strong><br />
forma <strong>de</strong> conditionare.<br />
41
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