S.W.E.A.T. - SPOTTED WILT ERADICATION ACTION TEAM

Marianna NFREC Research Report 98-3

FLORIDA MDR 98 -
A NEW MULTIPLE DISEASE RESISTANT PEANUT CULTIVAR

TABLES 1-7
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Table 1. Pod yield, grading, and disease data for
Florida MDR 98 from unsprayed tests at Marianna, FL, 1990-96

Variety	Yield (lbs/A)	%TSMK	%ELK	100 Seed wt. (g)	Leaf spot disease (1-10)
1990-1996
Fla MDR 98	3311	81.3	32.9	66.1	4.4
Southern Runner	2847	79.1	9.2	54.4	4.6
Florunner	769	78.6	8.2	55.4	9.5
1994-1996
Fla MDR 98	3046	81.0	29.4	65.9		4.6
Southern Runner	2635	79.0	5.3	53.1	5.3

Data reported from 1990-1996 represents the average of 19 tests.
Data reported from 1994-1996 represents the average of 9 tests.
TSMK = total sound mature kernels
ELK = extra large kernels
Disease rating = Florida 1-10 scale, 1 = no disease

Table 2. Pod yield, grading, and disease data for
Florida MDR 98 from Marianna sprayed tests (1991-96)

Variety	Yield (lbs/A)	%TSMK	%ELK	100 Seed wt. (g)	TSWV Disease (1-10)
1991-1996
Fla MDR 98	5282	80.6	35.3	70.0	2.5
Flounner	3968	80.2	14.7	60.2	5.7
1993-1995
Fla MDR 98	5208	80.3	43.9	71.2	2.0
Southern Runner	4872	78.7	25.7	59.5	2.3
Florunner	3823	79.9	21.1	62.8	4.4

Data reported from 1991-1996 represents the average of 6 tests.
Data reported from 1993-1995 represents the average of 3 tests.
TSMK = total sound mature kernels
ELK = extra large kernels
Disease rating 1-10, 1=no disease

Table 3. Pod yield and grading data for MDR 98
in Gainesville sprayed tests (1991-95).

Variety	Yield (lbs/A)	%TSMK	%ELK	TSWV(%) Disease
1991-1995
Fla MDR 98	3294	77.7	40.7	66.8
Flounner	3167	74.8	20.6	59.6
1993
Fla MDR 98	4073	80.6	53.3	75.2
Southern Runner	3444	76.2	31.5	61.1
Florunner	2391	76.5	26.5	64.8

Data reported from 1991-1995 represents the average of 3 tests.
Data reported from 1993 represents 1 test.
TSMK = total sound mature kernals
ELK = extra large kernels
TSWV = tomato spotted wilt virus percent incidence

Table 4. Pod yield and grading data for southeastern
locations of Uniform Peanut Performance Tests. (1993-95).

	Yield (lbs./A)	Yield (lbs./A)	%TSMK	%TSMK	%ELK	%ELK
Location	Florunner	MDR 98	Florunner	MDR 98	Florunner	MDR 98
Marianna	4473	5464	81.9	81.7	19.7	45.7
Tifton	2827	4225	73.8	76.4	12.8	37.7
Headland	4855	5734	70.8	73.8	15.0	37.0
Average =	4052	5134	75.5	77.3	15.8	40.1

Table 5. Pod yields and disease ratings for
Florida MDR 98 in studies inoculated with S. rolfsii,
causing white mold (stem rot), at Marianna (1995-96).

	Yield (lbs/A)	Yield (lbs/A)	Yield (lbs/A)	Disease (1-10)	Disease (1-10)	Disease (1-10)
Variety	1995	1996	Avg.	1995	1996	Avg.
Fla. MDR 98	4106	3963	4035	2.8	3.3	3.1
Southern Runner	3107	2512	2810	2.7	4.3	3.5
Florunner	1725	766	1246	6.0	8.7	7.4

Disease rating 1-10, 1 = no disease.

Table 6. Pod yield and spotted wilt disease severity on
Florida MDR 98 in tests at Marianna,
and Attapulgus, Georgia (1994-95).

	Yield (lbs/A)	Yield (lbs/A)	Disease severity	Disease severity
Variety	Attapulgus	Marianna	Attapulgus	Marianna
Florunner	3216	3073	38.3	58.0
Southern Runner	3413	3900	11.5	29.0
Fla. MDR 98	3573	4284	12.7	19.6

Disease severity is percentage of row feet severely
affected by TSWV.

Table 7. Peanut runner type variety test
results from Marianna, 1997.

Variety	Yield (lbs/A)	%TSMK	TSWV (1-10)
Fla. MDR 98	3750	79.2	3.0
Georgia Green	2790	77.9	4.3
Andru 93	2576	76.8	5.8
Tamrun 96	2528	75.9	4.7
Southern Runner	2512	75.5	4.5
Virugard	2389	77.0	4.3
Georgia Runner	2269	78.3	6.0
AT108	2265	74.1	7.0
SunOleic 97R	2218	76.6	6.5
GK 7	1830	77.8	6.8
Flavor Runner	1746	77.6	6.3

TSMK = percent total sound mature kernels.
TSWV Rated at harvest for spotted wilt disease severity on 1-10 scale,
where 1 = no disease.

For more information on any of these or related topics,
contact Albert Culbreath by phone (912) 386-3370, fax (912) 386-7285 or email (spotwilt@tifton.cpes.peachnet.edu).

TABLES 1-7 Click on desired Table or scroll down to browse all tables.

Table 1. Pod yield, grading, and disease data forFlorida MDR 98 from unsprayed tests at Marianna, FL, 1990-96

Table 2. Pod yield, grading, and disease data forFlorida MDR 98 from Marianna sprayed tests (1991-96)

Table 3. Pod yield and grading data for MDR 98in Gainesville sprayed tests (1991-95).

Table 4. Pod yield and grading data for southeasternlocations of Uniform Peanut Performance Tests. (1993-95).

Table 5. Pod yields and disease ratings forFlorida MDR 98 in studies inoculated with S. rolfsii, causing white mold (stem rot), at Marianna (1995-96).

Table 6. Pod yield and spotted wilt disease severity onFlorida MDR 98 in tests at Marianna,and Attapulgus, Georgia (1994-95).

Table 7. Peanut runner type variety testresults from Marianna, 1997.