| Confectionary (Non-oil) Sunflower (Table 2) - Langdon | ||||||||||
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Seed Yield* | ||||||||
| Brand | Hybrid | Flowering | Maturity | Head Rot | Stalk
Rot |
Downy
Mildew |
Test Weight |
1998 | 1999 | 2 year
Avg |
| 0-9 | 0-5 | % | % | % | lbs/bu | -------- lbs/ac -------- | ||||
| Agway | RH 2073 | 3.4 | 0.2 | 12.9 | 10.6 | 1.7 | 25.5 | 2491 | 2196 | 2344 |
| Agway | RH 2373 | 5.4 | 0.7 | 11.3 | 7.0 | 0.0 | 24.2 | 2909 | 1798 | 2354 |
| Agway | RH 3703 | 3.8 | 0.4 | 14.1 | 10.9 | 2.3 | 26.5 | 2992 | 1718 | 2355 |
| Agway | RH 3733 | 4.8 | 0.4 | 6.5 | 12.0 | 0.0 | 24.8 | 3046 | 1876 | 2461 |
| Croplan Genetics | CL 110 | 3.5 | 0.4 | 5.2 | 13.3 | 3.3 | 23.0 | -- | 1541 | -- |
| Integra Seed | INT Ex618 | 5.4 | 0.8 | 9.7 | 6.6 | 0.0 | 26.0 | -- | 1991 | -- |
| Integra Seed | INT Ex661 | 6.5 | 1.1 | 26.9 | 0.7 | 0.0 | 25.3 | -- | 1788 | -- |
| Interstate Seed | IS 8004 | 3.5 | 0.5 | 23.2 | 5.1 | 2.0 | 24.2 | 3577 | 1301 | 2439 |
| Interstate Seed | IS 8048 | 3.3 | 0.4 | 10.8 | 17.1 | 0.0 | 26.2 | -- | 1863 | -- |
| Pioneer | 63C71 | 3.9 | 0.9 | 18.4 | 3.8 | 0.0 | 23.2 | 2954 | 1756 | 2355 |
| Pioneer | 6946 | 3.6 | 0.0 | 9.8 | 12.8 | 0.0 | 22.7 | 2876 | 1815 | 2346 |
| Pioneer | DE 1998 | 5.8 | 0.5 | 10.6 | 10.0 | 1.7 | 24.8 | 2407 | 1839 | 2123 |
| Pioneer | XF981 | 4.1 | 0.2 | 17.3 | 8.3 | 3.7 | 23.3 | -- | 1785 | -- |
| Proseed | C9802 | 5.3 | 0.3 | 20.3 | 9.3 | 0.0 | 25.0 | -- | 1415 | -- |
| Proseed | C9813 | 4.6 | 0.9 | 3.7 | 6.7 | 1.7 | 25.0 | -- | 1222 | -- |
| Proseed | C9820 | 4.6 | 0.9 | 30.1 | 22.9 | 0.0 | 23.8 | -- | 1259 | -- |
| Proseed | C9822 | 4.0 | 0.9 | 26.0 | 23.2 | 0.0 | 24.2 | -- | 1263 | -- |
| Proseed | C9824 | 2.0 | 0.2 | 45.9 | 12.6 | 0.0 | 22.5 | -- | 810 | -- |
| Red River Comm. | RRC 2213 | 4.1 | 0.7 | 14.6 | 7.0 | 0.0 | 24.7 | -- | 1638 | -- |
| Red River Comm. | RRC 2232 | 6.3 | 1.6 | 19.5 | 4.2 | 3.3 | 22.7 | 2340 | 1243 | 1792 |
| Red River Comm. | RRC 2413 | 5.9 | 0.5 | 9.2 | 12.0 | 0.0 | 24.5 | -- | 1404 | -- |
| Red River Comm. | RRC 2582EX | 6.0 | 0.8 | 18.0 | 3.9 | 0.0 | 25.5 | -- | 1925 | -- |
| Red River Comm | RRC 6182EX | 4.2 | 0.3 | 32.2 | 7.6 | 1.7 | 23.5 | -- | 1403 | -- |
| Red River Comm. | RRC 6782EX | 3.5 | 0.4 | 25.9 | 4.3 | 0.0 | 23.7 | -- | 1514 | -- |
| Seeds 2000 | Bigfoot | 7.1 | 1.3 | 18.6 | 5.8 | 0.0 | 25.8 | 3336 | 1672 | 2504 |
| Seeds 2000 | Kodiak | 6.6 | 0.9 | 8.2 | 5.1 | 0.0 | 25.7 | 2788 | 1545 | 2167 |
| Springfield Mills | Springfield 517 | 3.3 | 0.2 | 12.6 | 12.4 | 0.0 | 24.2 | -- | 1688 | -- |
| USDA | 924 | 5.0 | 0.3 | 17.6 | 9.3 | 1.7 | 23.3 | 3110 | 1305 | 2208 |
| Mean | 4.7 | 0.7 | 17.3 | 9.2 | 0.9 | 24.5 | 2909 | 1587 | -- | |
| C.V. % | 22.8 | 79.3 | 52.1 | 90.4 | 274 | 2.9 | 12.0 | 20.7 | -- | |
| LSD .05 | 1.8 | 0.9 | 14.9 | NS | NS | 1.2 | 572 | 540 | -- | |
*Yield adjusted to 10% moisture.
Sclerotina head rot, stalk rot, and downy mildew ratings indicate percent of plants infected within a plot. Plants with head rot were not harvested for yield. Plants with stalk rot were harvested but yields were affected by timing of infection. Downy mildew infection was generally early and no yield was obtained from most plants.
Midge rating at flowering indicates percent of ray petals missing and is a measure of a hybrid's attractiveness to the midge. 0=no ray petals missing. 9=all ray petals missing. Midge rating at maturity indicates damage to the head and is a measure of a hybrid's tolerance to midge feeding. 0=no visible damage, 5=head completely closed with no seeds present.