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

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N<br />

,ţ,.<br />

Q')<br />

Tabel.!l 2<br />

Influenţa aplicării unor erbici<strong>de</strong> noi asupra producţiei <strong>de</strong> tuberculi (Effect of some new herbici<strong>de</strong>s on potato tuber yield)<br />

Producţia relativă (Relative yield) % Media (Mean)<br />

Doza Perioa·<br />

Erbicidul<br />

(Rate) da cer-<br />

(Herbici<strong>de</strong>) kg. cel.<br />

s.a./ I(Exper. Braşov ~Livada OI<br />

Geoagiu Secuieni Suceava Iaşi t/ha /0 Dif.<br />

ha years)<br />

Prometrin 2,5 100(36,5) 100(23,2) 100(34,5) 100(26,6) 100(20,8) 100(26,8) 28,8 100 I Mt.<br />

Prăşit <strong>de</strong> 3 ori - 1975- 133 88 116 133 152 132 34,8 121 6<br />

Prometrin + metribuzin 2,0 1978 123 102 103 119 117 120 32,2 112 3,5<br />

Prometrin + metribuzin 3,0 121 95 103 116 135 124 . 31,8 110 3,0<br />

-----<br />

Prometrin 2,5 100(42,4) 100(23,3) 100(35,8) 100(24,5) 100(35,4) 100(27,4) 30,2 100 Mt.<br />

Metribuzin 1,5 1976- 100 100 106 124 112 139 32,3 107 2,1<br />

Cyanazine 2,0 1978 111 94 102 87 93 92 37,3 124 7,1<br />

Cyanazine 3,0 111 111 98 83 95 90 28,8 94 -8,9<br />

-----<br />

Prometrin 2,5 100(51,4) 100(25,4) 100(39,6) 100(31,0) 100(30,5) 100(16,6) 32,4 100 Mt.<br />

Metolaclor + prometrin 3,2 105 107 103 63 96 131 29,2 90 -3,2<br />

Metolaclor + prometrin 4,0 1977- 110 96 106 69 94 123 33,5 103 1,1<br />

Metolaclor + prometrin 5,2 1978 105 103 105 75 103 123 32,6 101 0,2<br />

Metolaclor + metobromuron 3,0 101 111 109 60 101 111 32,1 99 -0,4<br />

Metolaclor + metobromuron 4,0 113 98 110 75 106 108 33,2<br />

991-°'2<br />

Metolaclor + metobromuron 5,0 104 109 106 82 112 120 33,7 104 1,3<br />

DL 5% 1975-1978<br />

1976-1978<br />

1977-1978<br />

7<br />

9<br />

9<br />

5,0<br />

5,0<br />

4,0<br />

7,0<br />

6,0<br />

8,0<br />

7<br />

5<br />

5<br />

12<br />

11<br />

9<br />

6<br />

6<br />

5

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