growing burley tobacco in a post buyout environment dr. gary palmer dr. bob pearce dr. andy bailey...
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![Page 1: Growing Burley Tobacco in a Post Buyout Environment Dr. Gary Palmer Dr. Bob Pearce Dr. Andy Bailey University of Kentucky](https://reader033.vdocuments.us/reader033/viewer/2022051517/56649ea35503460f94ba71e6/html5/thumbnails/1.jpg)
Growing Burley Tobacco in a Post Buyout Environment
Dr. Gary PalmerDr. Gary Palmer
Dr. Bob PearceDr. Bob Pearce
Dr. Andy BaileyDr. Andy Bailey
University of KentuckyUniversity of Kentucky
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Good Agricultural Practices
Produced in a timely mannerProduced in a timely manner Good management essentialGood management essential
Use of agronomically sound Use of agronomically sound practicespractices
Economically viable returnsEconomically viable returns High yield per acreHigh yield per acre
Reduce Environmental Impact of Reduce Environmental Impact of ProductionProduction
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What Will the Term Quality Mean?
Desirable for buyerDesirable for buyer Contracted amount suppliedContracted amount supplied Cured properlyCured properly Free of foreign materialFree of foreign material Low in undesirable elementsLow in undesirable elements
NornicotineNornicotine NitrosaminesNitrosamines nitrate & nitritesnitrate & nitrites Low pesticide residueLow pesticide residue
• No unlabeled pesticides No unlabeled pesticides • No excessive residues of labeled chemicalsNo excessive residues of labeled chemicals
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0
10
20
30
40
50
60
70
Avg
Wee
kly
Tem
p
February March April May
Timely Production Seeding so that plants will Seeding so that plants will
be ready to set on timebe ready to set on time Watch weather reports to Watch weather reports to
reduce gas expensereduce gas expense Plants ready 7 to 9 weeks Plants ready 7 to 9 weeks
after seedingafter seeding Controlling environment to Controlling environment to
minimize temperature & minimize temperature & disease related damagedisease related damage
Disease preventionDisease prevention To reduce delaysTo reduce delays To improve transplant To improve transplant
quality quality
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Transplant on time Can improve yield Can improve yield Reduce disease Reduce disease
incidenceincidence Blue moldBlue mold Virus complexVirus complex
Some curing Some curing concernsconcerns
What’s the difference between a good farmer and a bad farmer?
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Burley Tobacco Variety TrialAcross 7 Locations – 4 Grades
380 359 383 357 401 381 346 368 366 350
989 1002 1024 1001 1010 981 999 980 1091 890
999 963 856 933 950 841 917 939 874923
400 409 425 421 447405 429 435 423
464
275427222807271227332768 2690 26262688 2608
0
500
1000
1500
2000
2500
3000
Yie
ld l
b/a
Flyings Lugs Leaf Tips
Locations: Clinton, Henry, Taylor (3), Trimble & Wayne Counties
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Varieties Will Be Screened
Varieties may have some plants in Varieties may have some plants in the population that produce a high the population that produce a high amount of nornicotine (amount of nornicotine (Converters))
Nornicotine may lead to NNN Nornicotine may lead to NNN (Nitrosonornicotine): one of the (Nitrosonornicotine): one of the tobacco specific nitrosaminestobacco specific nitrosamines
By cleaning up the variety so that By cleaning up the variety so that most plants have a low level, NNN most plants have a low level, NNN will develop at only a low levelwill develop at only a low level
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How Do We Know If the Variety is Screened?
““LC” varietiesLC” varieties KT 204LC, KT200LC, TN 97LC, KT 204LC, KT200LC, TN 97LC, TN 90LC, TN 86 LC, KY 907LC TN 90LC, TN 86 LC, KY 907LC
““Produced from screened parents”Produced from screened parents” ExceptionsExceptions
KY14 x L8, KY14, KY17 (Available KY14 x L8, KY14, KY17 (Available in 2006)in 2006)
Some private varietiesSome private varieties
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Some Varieties Will Be Dropped
Screening is expensive and older varieties would Screening is expensive and older varieties would cost too much for upkeep cost too much for upkeep
Good alternatives are available to replace most older Good alternatives are available to replace most older varietiesvarieties A good disease package will be essentialA good disease package will be essential 14 x L814 x L8
High managementHigh management Tendency to initiate suckers earlyTendency to initiate suckers early
KY 907KY 907 Lodging & qualityLodging & quality
TN 86TN 86 Quality Quality
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Nitrogen Use
Optimum levelsOptimum levels
Soil Level of NSoil Level of N Lbs. N/acLbs. N/acHighHigh 150-200150-200MediumMedium 200-250200-250LowLow 250-300250-300
Can we grow high yield tobacco at 200 to 250?
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Effects of Nitrogen Rates on Burley Tobacco at Spindletop Farm
2000
2500
3000
3500
4000
0 50 100 150 200 250 300 350 400
N rate (lb/a)
Yie
ld l
b/a
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Effects of Nitrogen Rates on Burley Tobacco
1500
1750
2000
2250
2500
2750
3000
0 50 75 100 155 200 240 300 392
N rate (lb/a)
Yie
ld l
b/a
18 Locations over 15 years
“Low” N soils are the exception not the rule!
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Nitrogen Changes in Competing Countries
BrazilBrazilChanges
Rate • From 300 kg/ha (270 lbs./A)• To 160 kg/ha (145 lbs./A)
Type • From Ammonium Nitrate & Urea• To Soda Potash (100% Nitrate)
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Nitrosamine levels
from different N sources Jackson Co. – Ron Madden Farm
0
2
4
6
8
10
12p
pm
1500 5-10-15 300AN 1.62 3.27 TN90 3.21 4.4
750AN - 2.66 4.8 3.23 4.57
450AN 300AN 2.99 5.18 7.92 9.72
450AN 645CN 2.24 4.18 2.61 3.69
450AN 625SN 2.36 4.54 3.39 4.68
LSD 1.11 1.47 4.63 5.17
NNN Total Variety NNN Total
Number = lbs of product, AN = Ammonium Nitrate, CN = Calcium Nitrate, SN = Sodium Nitrate
Broadcast Sidedress
Lamina Mid-rib
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Disease Management Crop RotationCrop Rotation PreventionPrevention Conservation TillageConservation Tillage
Utilization of Utilization of disease free landdisease free land
Reduce Reduce erosionerosion
Reduce fuel Reduce fuel useuse
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Terramaster for pythium control
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Black Shank: Rotation Resistant Varieties Ridomil Sanitation
Blue MoldPreventative
AcrobatActigard
Avoid ShadeLow wet areasInfected Transplants
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Influence of Insecticide Treatments on Burley Yield
Boyle Co - Wesley Pruitt Farm
756 542 629 631 637 687 529 713 527783 853
726693
853 7191082 1180
9421018 1291 936 858
769
574
750760
643631
727539
637 974 988
2251 1809 2233 2110 2362 2498 2198 2270 2455 2693 2700
0
500
1000
1500
2000
2500
3000
YIE
LD
LB
/A
FLYINGS LUGS LEAF TOTAL
P=Platinum, A=Admire, O=Orthene #=fl oz/a except Orthene in lb/a, Trans = Transplant water, Drenched plants were treated prior to transplanting
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Controlling Red Aphids
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Pesticide Concerns
Illegal pesticidesIllegal pesticides Could void contractCould void contract
Indiscriminant use of labeled Indiscriminant use of labeled pesticidespesticides Endosulfan (Golden Leaf)Endosulfan (Golden Leaf) MHMH
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Recommended Sucker Control
1.5 gal MH + .5 gal of either Prime1.5 gal MH + .5 gal of either Prime+ + or or ButralinButralin
Coarse NozzlesCoarse Nozzles TG-3 if tractor mounted sprayer or TG-3 if tractor mounted sprayer or
high clearance sprayer in rough high clearance sprayer in rough terrainterrain
TG-5 if high clearance on level TG-5 if high clearance on level ground ground
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Consistent Supply
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Burley Crop Estimate 2004Taken from Agricultural Statistics Data Base (October 2004)
Commodity Year State
Area, Yield, and Production,
Harvested Yield Production
acre pounds 1000 lbs
Burley Tobacco (Type 31) 2004 IN 4600 2050 8815
Burley Tobacco (Type 31) 2004 KY 105000 2000 210000
Burley Tobacco (Type 31) 2004 MO 1400 2600 3640
Burley Tobacco (Type 31) 2004 NC 5300 1450 7685
Burley Tobacco (Type 31) 2004 OH 5800 1900 11020
Burley Tobacco (Type 31) 2004 TN 25000 1900 47500
Burley Tobacco (Type 31) 2004 VA 6000 1850 11100
Burley Tobacco (Type 31) 2004 WV 1300 1500 1950
Burley Tobacco (Type 31) 2004 US 154100 1958 301710
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Topping
Top can vary by companyTop can vary by company May change in the future May change in the future
Top to 23-24 leavesTop to 23-24 leaves For companies looking for more tipsFor companies looking for more tips
Topping height can influence other factors Topping height can influence other factors Leaf spreadLeaf spread Cured leaf colorCured leaf color Root developmentRoot development
Nicotine levelsNicotine levels Disease incidenceDisease incidence
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Harvest date
1500
2000
2500
3000
2 3 4 5 6
Weeks After Topping
Yie
ld/A
Harvest mature tobacco Harvest mature tobacco Usually at 4 weeks after Usually at 4 weeks after
toppingtopping Weather may delayWeather may delay Late maturing varieties may Late maturing varieties may
need more timeneed more time
Quality
Yield
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Harvest Problems Avoid GreenAvoid Green SunburnSunburn MudMud Rough Rough
HandlingHandling
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Curing Burley Tobacco
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Curing Problem
Low humidity/high temperatureDrying, not a cure
Low humidity/satisfactory temperatureVariegated, piebald or green tobacco
Low or high humidity/low temperatureGreen tobacco
High humidity/high temperatureHouse burn, microbial growth and
excessive weight loss
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What Kind of Curing Facility
• Inefficient labor use• Construction expense• Long term investment• Other uses• Slow change in conditions
• Forced ventilation?• Nitrosamines?
• Efficient• Inexpensive• Limited lifetime• Not for storage• Daily cycle of conditions
• Nitrosamines ?• Improved color?
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Market Prep & Storage Wait till cure is completeWait till cure is complete
No fat stemsNo fat stems AvoidAvoid
High moistureHigh moisture High pressure during High pressure during
balingbaling Non-tobacco related Non-tobacco related
materialmaterial StorageStorage
Minimal amount of timeMinimal amount of time Avoid plasticAvoid plastic Provide ventilationProvide ventilation
Close supervision of stripping crew?