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anale 11.pdf - Institutul National de Cercetare Dezvoltare pentru ...

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ERBICIDELEl LA CARTOFUL EXTRATIMPURIU<br />

RESULTS OF RESEARCHES REGARDING THE UTILIZATION OF<br />

HERBICIDES FOR EARLY AND MEDIUM EARLY POTATO<br />

CROP AND THEIR REMAINENT EFFECT ON SUMMER<br />

CROPS LIKE CABBAGE, BEANS AND CUCUMBERS<br />

Sumrnary<br />

lin 1974-1978 in the aim to be able to grow 2 crorps in one yelar, herbici<strong>de</strong>s<br />

were experiment,ed for extraearIy and earIy potato, takingcare of the faclt that<br />

in summer las the sec/Ond crop cabbalge, beans for green pods and cU!cumbers<br />

will be grown. The soiI at Valu lui TI'Iaian was a carbofilated maI100n chernozem<br />

(3.4-3.8% humus) and at DăbuIeni-Tîmbureştiwas ,a sandy soH (0,17-0,84% humus).<br />

Simple and associated herbici<strong>de</strong>s based an alach1or, cyanazin, ETPC, linuron,<br />

napropami<strong>de</strong>, metoliachlor, metobromuron, methazole, prometrin, phenoxalin,<br />

terbutrin and terbuthyIazin were used. AU these herbici<strong>de</strong>s were well toieriated<br />

by the potato pIants without any phytotoxic symptoms. For cabbage (from veget!able<br />

seedlings), beans fOII' green pods and cuoumbers (plianted OI' sown soon after<br />

potato harvest) the herbici<strong>de</strong>s based on lC\ilachlor, cynaZiin, EPTC, meto1achlorassociated<br />

with small rates of terbutrin 01' prometrin, were not phytotoxic. A higher<br />

phytotoxicity for the lC\Jslsociated herbioi<strong>de</strong>s containing terbuthy1lazin+terbutrin was<br />

enregistered.<br />

FORSCHUNGSERGEBNISSE UBER DIE CHEl1\tHSCHE<br />

UNKRAUTBEKĂMPFUNG IM FRUHKARTOFFELBAU<br />

UND DIE REMANENZ DER ANGEWANDTEN<br />

HERBIZIDE ZU KRAUT, BOHNEN UND GURKEN<br />

IM NACHBAU<br />

Zusammenf,assung<br />

Wăhrend 1974-1978 wur<strong>de</strong>n Versuohe mit verschie<strong>de</strong>nen Unkrautmitteln in<br />

Kartoffelkulturen mitlsehr frilhen und fruhen Sorten durchgefilhrt. Nach <strong>de</strong>r Ernte<br />

vVur<strong>de</strong>n im Nachbau Kraut, Bohnen und Gurk'en langebaut.<br />

Die Versuche waren lauf zweli B6<strong>de</strong>n angelegt: bei Vlalu lui Traian auf kJastanienfarbigem<br />

Tschernosem mit 3,4-3,80/0 Humus und bei Dăbuleni au] Sandbo<strong>de</strong>n<br />

mit 0,17-0,84 % Humus. Es wur<strong>de</strong>n verschie<strong>de</strong>ne Unkr,autmittel appliziert die<br />

folgen<strong>de</strong> Aktivsubstanzen enthielten: al,aclor, cyanazin, ETPC, linuron, napropami<strong>de</strong>,<br />

metolachlor, metobromuron, methazole, prometrin, penoxalin, terbutrin, und<br />

terbuthy1azin. AHe Unkrautmittel wur<strong>de</strong>n von <strong>de</strong>n Klartoffelpilianzen guttkoleriert.<br />

Phytotoxische Symptome wur<strong>de</strong>n nicht beobachtet.<br />

Nicht phytotoxisch fUr die nachfolgen<strong>de</strong>n Kraut - Bohnen - und Gurkenkulturen,<br />

waren die Unkrautmittel aui Alachlor-Cyanazin-EPTC-und Metolachlorbasis,<br />

we1che mit vermin<strong>de</strong>rten Terbutrin - o<strong>de</strong>r Prometrindosen gemischt wur<strong>de</strong>n.<br />

Eine stărkere Phytotoxizităt wur<strong>de</strong> dagegen bei <strong>de</strong>n Unkrautmitteln die mit<br />

Terbuthylazin+Terbutrin gemischt waren, festgestellt.<br />

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