Technological roads to produce Brassica carinata in Uruguay · Technological roads to produce...
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Technological roads to produce Brassica carinata in Uruguay Ing. Agr. (Dr.) Sebastián Mazzilli Departamento de Producción Vegetal Facultad de Agronomía - EEMAC
Transcript of Technological roads to produce Brassica carinata in Uruguay · Technological roads to produce...
Technological roads to produce Brassica carinata in Uruguay
Ing. Agr. (Dr.) Sebastián MazzilliDepartamento de Producción Vegetal
Facultad de Agronomía - EEMAC
Carinata´s TeamIng. Agr. (Dr.) Sebastián MazzilliIng. Agr. (MSc) Andres Locatelli
Ing. Agr. Oswaldo ErnstTec. Agr. Dario Fros
Bach. Gastón SebbenIng. Agr. (Dra.) Grisel FernandezIng. Agr. (Msc.) Cintya Palladino
Ing. Agr. Silvana Abbate
and
students
Main working linesObjetives
1. Sowing date - genotypes.
2. Plants spatial arrangement.
3. Nitrogen and Sulphur fertilization (on farm conditions).
4. Impact of herbicides on crop.
5. Diseases.
6. Importance of polinization.
Trials ubication
Soil Type
Layer Cumulative Organic Bulk
Thickness Depth Clay Sand Matter Density
m m % % % Mg/m3
0,05 0,05 22,3 18,9 4,0 1,1
0,05 0,1 19,8 18,2 3,6 1,3
0,1 0,2 21,2 17,8 3,2 1,2
0,1 0,3 26,5 17,0 2,9 1,3
0,2 0,5 41,5 11,2 1,8 1,1
0,2 0,7 43,5 11,1 1,4 1,2
0,3 1 30,2 15,0 0,7 1,3
Sowing date – genotypeExperimental Desing
• 5 - sowing dates (from May 12 to Sept 1 – 112 days).
• 6 - B. carinata genotypes.
• 1 - B. napus genotype (main commercial variety).
• 3 - Repetitions per genotype in each trial
Sowing date – genotypeResults
a
ab
bc
aab
bc
ab
bc a
a
ab
b
bc a
a
c
ab
a
aab
ab
a
ab
a
a ab
b
aa
bc
c
c a
b
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
12 may 1 jun 24 jun 3 aug 1 sep
Yie
ld (
kg h
a-1)
Sowing date
Avanza Entry 1 Entry 2 Entry 3 Entry 4 Entry 5 Rivette (B. napus)
Avanza vs. Rivette (B. napus) - YieldsResults
4940
3492
2355
15691836
2423
1168
1559 1626
893
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
12 may 1 jun 24 jun 3 aug 1 sep
Yie
ld (
kg h
a-1)
Sowing date
Avanza Rivette (B. napus)
51%
66%
33%
Avanza vs. Rivette (B. napus) - CycleResults
29-abr. 19-may. 8-jun. 28-jun. 18-jul. 7-ago. 27-ago. 16-sep. 6-oct. 26-oct. 15-nov. 5-dic. 25-dic. 14-ene.
Avanza
Rivette
Avanza
Rivette
Avanza
Rivette
Avanza
Rivette
Avanza
Rivette
Sowing to elongation Elongation to Flowering Flowering-Harvest
Plants spatial arrangementExperimental Desing
• 4 populations (30-50-70-90 pl m-2)
• 2 row distance (0,17 - 0,34 m)
• 2 genotypes (Avanza 641 - 20.111)
Population rate - yieldResults
0
500
1000
1500
2000
2500
3000
3500
4000
0 20 40 60 80 100 120 140
Yie
ld (
kg h
a-1)
Population (pl m-2)
Avanza0,17 m 0,34 m
Row distanceResults
1970
2304
1523
1993
0
500
1000
1500
2000
2500
3000
Avanza Entry 2
Yie
ld (
kg h
a-1)
Row distance (m)
0.17 m 0.34 m
Nitrogen and Sulphur fertilization (under farms conditions).Trial design
Treatment Sowing
Begin
Elongatiom TOTAL
N S N S N S
1 0 0 0 0 0 0
2 20 0 20 0 40 0
3 20 20 20 0 40 20
4 20 20 60 0 80 20
5 20 20 60 10 80 30
6 80 20 20 10 100 30
7 40 30 120 0 160 30
8 40 30 80 0 120 30
Nitrogen and Sulphur fertilization (under farms conditions).Results
d; 1443
cd; 2026bc; 2148
a; 3039
ab; 2747abc; 2522
ab; 2780a; 2890
0
500
1000
1500
2000
2500
3000
3500
4000
0/0 40/0 40/20 80/20 80/30 100/30 160/30 120/30
Yie
ld (
kg h
a-1)
N / S applied (kg ha-1)
Nitrogen use efficiencyNUE
y = 0,0022x2 - 0,65x + 59,48
R² = 0,80
p < 0,05
0
10
20
30
40
50
60
0 50 100 150 200
NU
E (
kg
gra
in/k
g N
)
N available (kg ha-1)
N0-N0-S0-S0
N20-N20-S0-S0
N20-N20-S20-S0
N20-N60-S20-S0
N20-N60-S20-S10
N80-N20-S20-S10
N40-N120-S30-S0
N40-N80-S30-S0
N and S indexModel
Impact of herbicides on cropTrial design
Treatmeant Stage
Pre-sowing B4
1 Trifluralin (1800 g a.i ha-1) -
2 Sulfentrazone (450 g a.i ha-1) -
3 Trifluralin (1800 g a.i ha-1) Dicamba (96 g a.i ha-1)
4 Trifluralin (1800 g a.i ha-1) Clopyralid (54 g a.i ha-1)
5 Control -
6 Clopyralid (54 g a.i ha-1) -
7 Clopyralid (54 g a.i ha-1) Clopyralid (54 g a.i ha-1)
Pre-emergency applicationsResults
a; 138a; 144
a; 119a; 129
b; 15b; 10
a; 119
a; 152
0
20
40
60
80
100
120
140
160
180
Avanza Entry 2
Pla
nt
po
pu
lati
on
(p
lm-2
)
Clopiralyd Control Sulfentrazone Trifluralin
Post-emergency applications - phytotoxicityResults
4.3 4.3
3.0
2.0
4.3
4.7
3.0
2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Trifluralin/Dicamba Trifluralin/Clopyralid Clopyralid Clopyralid/Clopyralid
Ph
yto
toxi
city
(0
-10
)
Avanza Entry 2
Diseases in field conditions Field samples
Alternaría brassicae Phoma sp
Sclerotinia Sclerotiorum
Main change observedPolinization
Gracias !!!
