peanut cultivars: making sense of all the options
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Peanut Cultivars: Making Sense of all the Options. John P. Beasley, Jr. Professor & Extension Peanut Agronomist Crop and Soil Sciences Department. Evaluating Cultivars. Maturity Range Growth Habit Seed Size Pest Resistance Marketability Seed Availability Oil Chemistry characteristics. - PowerPoint PPT PresentationTRANSCRIPT
Peanut Cultivars:Making Sense of all the Options
Peanut Cultivars:Making Sense of all the Options
John P. Beasley, Jr.
Professor & Extension Peanut Agronomist
Crop and Soil Sciences Department
John P. Beasley, Jr.
Professor & Extension Peanut Agronomist
Crop and Soil Sciences Department
Evaluating CultivarsEvaluating Cultivars
Maturity Range
Growth Habit
Seed Size
Pest Resistance
Marketability
Seed Availability
Oil Chemistry characteristics
Varieties Available in Southeast in 2006
Varieties Available in Southeast in 2006
Georgia Green
AP-3
Georgia-02C
C-99R
Georgia-03L
Georgia-01R
Carver
Andru II
AT 3081R
Peanut Yield (lbs/A)2003-2005, Tifton, Irrigated
2003 2004 2005 AVG
Georgia-03L 5049 3496 4118 4221
AP-3 4765 2276 4404 3815
Georgia Green 5017 2185 3925 3709
Carver 4128 1144 4102 3125
Georgia-02C 5277 3250 4009 4179
C-99R 3269 2947 4142 3453
Georgia-01R 4234 2373 3503 3370
www.griffin.uga.edu/swvt
Georgia Green
Predominant cultivar in SE since 1997When first released, had best level of
resistance to TSWVSeed size smallest of currently available
runner type cultivarsSome resistance to Rhizoctonia limb rotWill account for 55-60% of seed supply in
SE in 2006
AP-3
Released in 2003 by Univ. of FloridaMarketing contract with Anderson Peanut Co.Medium maturity, similar to Georgia GreenLight green foliage colorLevel of res’t to TSWV best of any varietiesMore susceptible to leaf spots“Normal” oil chemistrySeed available from Anderson Peanut Co.
Georgia–02C
Released from UGA in 2002Late maturityHigh oleicGood level of res’t to CBR TSWV res’t better than Georgia Green
C-99R
Released from Univ. of Florida in 1999Late maturityTSWV res’t better than Georgia GreenLarger seed size, approximately 650 seed per
poundCan produce excess vine growth
Georgia–03L
Released in 2003 from Univ. of GeorgiaMid maturing (similar to Georgia Green)“Normal “ oil chemistryResistance to TSWV = to Georgia-02C
(better than Georgia Green Seed size larger than Georgia GreenGrowth habit exhibits prominent main stemVigorous early season growth
Georgia–01R
Released in 2001 from Univ. of GeorgiaLate maturing“Normal “ oil chemistryResistance to TSWV better than any other
cultivars except AP-3 and Tifrunner Significant level of res’t to CBRLarge seed size (similar to C-99R)Very flat growth habit, virtually no main
stem
Carver
Medium maturity“Normal” oil chemistryTSWV res’t better than Georgia GreenSome resistance to CBR
Andru II
Early maturityMarketing contract with Anderson Peanut
Co.High oleicTSWV res’t = to Georgia GreenWhite Mold res’t = or better than Georgia
Green
Variety ComparisonVariety Comparison
VarietyVariety Maturity(135-140 DAP)
UGA Disease Risk Index
High Oleic
(Yes or No)TSWV Leaf Spot White Mold Limb Rot
ViruGard 21-28(-) 30 20 20 NA No
Andru II 10-14(-) 25 30 20 25 Yes
Gregory (Va) 7-14(-) 30 30 20 25 No
NC-V 11 (Va) 7-14(-) 35 30 25 25 No
Carver 0-7(-) 20 30 20 25 No
Georgia Green 0 30 20 20 15 No
Georgia-03L 0 15 15 10 20 No
AP-3 0 10 25 10 25 No
AT 3081R 0 NA NA NA NA No
Georgia-02C 14-21(+) 15 20 10 20 Yes
C-99R 14-21(+) 20 15 15 25 No
Georgia-01R 14-21(+) 10 10 15 15 No
Tifrunner 14-21(+) 10 15 25 25 No
Variety 2003 # 2004 # 2005 # Avg. (Rank)
Hull 15.2a 2 19.2a 1 23.7a 1 19.4(1)
A Norden 17.0a 1 16.7ab 2 17.7a-c 3 17.1(2)
GaGreen 14.2a 3 14.0bc 3 19.2ab 2 15.8(3)
AndruII 7.7b-d 7 11.5b-d 5 15.2b-d 4 11.5(4)
C99R 11.0a-c 4 9.0c-e 8 12.2c-e 5 10.7(5)
DP1 9.7a-d 6 11.5b-d 4 10.2d-g 7 10.5(6)
Carver 11.0a-c 5 9.0c-e 9 11.2d-f 6 10.4(7)
GA01R 5.2cd 8 10.5cd 6 8.5e-g 9 8.1(8)
AP3 5.7cd 9 11.0cd 7 5.0g 8 7.2(9)
Avg. # Feeding Sites/3 ft. 2003-2005
Summary of CultivarsSummary of Cultivars• Maturity range – compared to Georgia Green
– Early – Andru II (10-14), ViruGard (21-28), Carver (0-7)
– Mid (same as GG) – AP-3, Georgia-03L, AT 3081R– Late (14-21 days) – Georgia-02C, C-99R, Georgia-
01R, Tifrunner
• TSWV Rating – from TSWV Index– 30 points – Georgia Green, ViruGard– 25 points – Andru II– 20 points – Carver, C-99R– 15 points – Georgia-03L, Georgia-02C– 10 points – Georgia-01R, AP-3, Tifrunner
Summary of CultivarsSummary of Cultivars• Seed Size
– Large-seeded (~650 seed/lb)• C-99R, Georgia-01R, ViruGard
– Medium (~700-750 seed/lb)• AP-3, AT 3081R, Carver, Georgia-02C, Georgia-03L,
Andru II, Tifrunner
– Small (~825-850 seed/lb)• Georgia Green
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