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Journal of Agricultural Sciences (Belgrade)
2020, vol. 65, br. 2, str. 121-136
jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljeno: 07/07/2020
doi: 10.2298/JAS2002121I
Creative Commons License 4.0
Suzbijanje korova i produktivnost kukuruza (Zea mays L.)
Kwara State University, Department of Crop Production, Malete, Ilorin, Kwara State, Nigeria

e-adresa: oyaimoloame@yahoo.com

Sažetak

Poljski ogledi su sprovedeni na Nastavno-istraživačkom imanju Državnog univerziteta u Kvari, Malete, kako bi se odredio metod suzbijanja korova koji će biti efikasniji u suzbijanju korova i uz pomoć kojeg će se postići viši prinos zrna i prihod u proizvodnji kukuruza. Ogled se sastojao od 9 tretmana: Primextra + Aminicome u dozi od 1,5 + 1,5 kg ha-1 (metolahlor 375 g a.s. ha-1 + atrazin 375 g a.s. ha-1 + 2,4 - D 900 g a.s. ha-1), Primextra + Aminicome u dozi od 2,0 + 2,0 kg ha-1 (metolahlor 500 g a.s. ha-1 + atrazin 500 g a.s. ha-1 + 2,4 - D 1200 g a.s. ha-1), Primextra + Aminicome u dozi od 2,5 + 2,5 kg ha-1 (metolahlor 750 g a.s. ha-1 + atrazin750 g a.s. ha-1 + 2,4 - D 1500 g a.s. ha-1), Primextra + Guard force u dozi od 1,5 + 0,03 kg ha-1 (metolahlor 375 g a.s. ha-1 + atrazin 375 g a.s. ha-1 + nikosulfuron 1,2 g a.s. ha-1), Primextra + Guard force u dozi od 2,0 + 0,05 kg ha-1 (metolahlor 500 g a.s. ha-1 + atrazin 500 g a.s. ha-1 + nikosulfuron 2,0 g a.s. ha-1), Primextra + Guard force u dozi od 2,5 + 0,07 kg ha-1 (metolahlor 750 g a.s. ha-1 + atrazin 750 g a.s. ha-1 + nikosulfuron 2,8 g a.s. ha-1 ), Primextra u dozi od 1,5 kg ha-1 (metolahlor 375 g a.s. ha-1 + atrazin 375 g a.s. ha-1) + jedno dodatno okopavanje 6 nedelja posle setve, dva ručna plevljenja 3 i 6 nedelja posle setve i kontrola bez uklanjanja korova. Ovi tretmani bili su postavljeni u randomiziranom potpunom blok dizajnu sa tri ponavljanja. Prikupljeni podaci su obrađeni analizom varijanse uz pomoć softverskog paketa za statističku analizu (SAS), posle čega su srednje vrednosti odvojene korišćenjem Dankanovog testa višestrukog poređenja. Rezultati su pokazali da se kombinacijama tretiranja primenom Primextra u dozi od 1,5 kg ha-1 + jedno dodatno okopavanje 6 nedelja posle setve, dva okopavanja 3 i 6 nedelja posle setve, Primextra + Aminicome u dozi od 2,0 + 2,0 kg ha-1 i Primextra + Guard force u dozi od 2,0 + 0,05 kg ha-1 postiže efikasno suzbijanje korova, veći prinos zrna i novčani prihod. Poljoprivrednici u Maleteu ih zato preporučuju za primenu u rotaciji.

Ključne reči

integralna kontrola zakorovljenosti; savana južne Gvineje; kukuruz; prinos; novčani prihod

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