Tomato Spotted Wilt Virus: TSWV of Peanut: Factors

TSWV of Peanut

Marianna NFREC Research Report 98-3

Florida MDR 98 - A New Multiple Disease Resistant Peanut Cultivar

• Table 1
• Table 2
• Table 3
• Table 4
• Table 5
• Table 6
• Table 7

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

top

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

top

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

top

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

top

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.

top

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.

top

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.

top