Sylwia Kaczmarek Weed Science and Plant Protection Techniques - PowerPoint PPT Presentation

PRODIVA WP 3 Variety mixtures for weed suppression Sylwia Kaczmarek Weed Science and Plant Protection Techniques Department Institute of Plant Protection , Poznań, Poland

Field experiments 2017  The same barley and oat varieties as in 2015 and 2016 + 2 new ones: barley EVELINA and oat EARL

Field experiments 2017 Field Experimental Station in Winna Góra

Ol + At 1. BARLEY Ol + Or 2. Ol + K 3. Ol + R 4. Ol + Ae 5. At + Or 6. At + K 7. ORPHELIA 1. KWS Olof (Ol) OLOF ARTIKA At + R 8. 2. KWS Artika (At) At + Ae 9. 10. Or + K 3. KWS Orphelia (Or) 11. Or + R 4. Kucyk (K) 12. Or + Ae 5. Raskud (R) 13. K + R 6. Argento (Ae) 14. K + Ae KUCYK RASKUD 15. R + Ae 7. Evelina (Ev) NEW 16. Ev + Ol NEW 17. Ev + At NEW 18. Ev + Or NEW 19. Ev + K NEW 20. Ev + R NEW 21. Ev + Ae NEW EVELINA ARGENTO

OAT 1. Sławko (S) 1. S + N 2. Nagus (N) 2. S + R SŁAWKO NAGUS 3. Rajtar (R) 3. N + R 4. Earl (E) NEW 4. E + S NEW 5. E + N NEW 6. E + R NEW RAJTAR EARL

BARLEY 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 4 replication Or Ol Ol At Or At K At K Ol At Or At Or R R Ae Ol Ol Ol K + + + + E + + + K + Or Ae + + + + Ol At + + + + R + + + + + R At K R Ae Or R K E R Ae K E E Ae E E Ae E Or Ae 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 3 replication Or Or K Or Ol At R K Ol K Ae At R Ol At Ol Ol Or At Ol At + + + + + + + Ae + R + + K + E + + + + + Ol At + + + Or + + Ae R E K E E E Ae Ae R E K Ae R Or Or At E Ae K R 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 2 replication Ol Or Or Ol Ol R R At Or K Ol Ol K Ol At Ae Or At K At At R E + + + + Ol + + + At + + + Or + + + + K + + + Ae + + + + R Ae E Or E Ae E E R E At Ae R K R E K K Ae Or Ae 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 1 replication Ol Ol Ol Ol Ol Ol At At At At At Or Or Or Or K K K R R Ae Ol At Or K R Ae E + + + + + + + + + + + + + + + + + + + + + At Or K R Ae E Or K R Ae E K R Ae E R Ae E Ae E E

OAT 401 402 403 404 405 406 407 408 409 410 IV replication S R N S N N E S R S + + + + + + R E E N R E 301 302 303 304 305 306 307 308 309 310 III replication N N S S R R S N E S + + + + + + E R R E N E 201 202 203 204 205 206 207 208 209 210 II replication E S S S N N R R S N + + + + + + N E R E R E 101 102 103 104 105 106 107 108 109 110 I replication S N R E S S S N N R + + + + + + N R E R E E

Field experiment design

Analysis  Barley and oat plant density  Tillering  Weeds numer and weight  Dry weight of barley and oat plants  Barley and oat plant height  Leaf area index  Grain yield

Weed composition in 2017

OAT RANKING /NATURAL INFESTATION VARIETY DENSITY HEIGHT MASS LAI JUNE LAI JULY TILLERING YIELD 1 L H H L M H M OAT VARIETIES 2 L M M H H H L 1 Sławko (S) 3 M L L H H L H 2 Nagus (N) 4 H M H M L M L L-low, H-high, M-medium 3 Rajtar (R) 4 Earl (E) WEEDS MASS WEEDS NO 1+2 S + N 1+3 1+3 1+3 S + R 1+2 1+2 1+4 S + E 1+4 2+9 2+3 N + R 2+4 1+4 2+4 N + E 2+3 2+3 3+4 R + E 3+4 3+4

OAT/MODEL WEED VARIETY DENSITY HEIGHT MASS LAI JUNE LAI JULY TILLERING YIELD 1 L H M/H H H L H OAT VARIETIES 2 M M L M/H L L L 3 H L H L M H M 4 M M M/L M/L M M M WEEDS NO WEEDS MASS 2+4 2+4 2+3 1+2 3+4 3+4 1+4 1+4 1+3 2+3 1+2 1+3

BARLEY VARIETIES RANKING Olof (OL) 1 Artika (AT) 2 BARLEY/ NATURAL INFESTATION WEEDS NO WEEDS MASS Orphelia (OR) 3 Kucyk (K) 4 2+3 2+3 Raskud (R ) 5 2+6 2+6 Argento (AE) 6 2+4 1+2 Earl (E ) 7 1+6 1+6 OL+AT 1+2 VARIETY DENSITY HEIGHT MASS LAI JUNE LAI JULY TILLERING YIELD OL+OR 1+3 1+7 2+4 1 M/L M M H L M M/H OL+K 1+4 2+5 1+7 OL+R 1+5 2 H H H H H M M/H 3+5 3+5 OL+AE 1+6 3 L L L H M M H OL+E 1+7 1+5 1+4 4 H H H M M M H AT+OR 2+3 3+5 2+5 5 M/L L M/L L M M L AT+K 2+4 4+7 3+5 AT+R 2+5 6 M/L M/L H M H H H 6+7 3+4 AT+AE 2+6 7 M/H M M L L L H OR+K 3+4 1+2 1+3 OR+R 3+5 L-low, H-high, M-medium 4+6 1+5 OR+R 3+5 3+6 3+6 OR+AE 3+6 OR+E 3+7 1+3 4+7 K+R 4+5 3+4 3+7 K+AE 4+6 1+4 5+6 K+E 4+7 R+AE 5+6 3+7 4+6 R+E 5+7 5+6 6+7 AE+E 6+7 5+7 5+7 4+5 4+5

WEEDS NO WEEDS MASS 6+7 1+5 RANKING BARLEY/MODEL WEED 5+7 3+5 5+6 1+2 4+5 2+5 4+6 3+6 VARIETY DENSITY HEIGHT MASS LAI JUNE LAI JULY TILLERING YIELD 3+5 1+4 1 M/H L L L L M/H L 2+6 3+5 2 M/H M H H H M/L H 3+5 1+7 3 L L M M H H M 3+4 3+4 1+4 1+3 4 H H M H M M/H M 1+2 1+6 5 L L M/L L L L M 1+5 2+4 6 M/L L M L H H M 1+6 2+6 7 M/H L M L L M/L L 1+3 5+7 4+7 2+3 L-low, H-high, M-medium 2+5 4+5 3+6 6+7 3+7 4+6 2+4 4+7 1+7 5+6 2+3 3+7

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