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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 607519 | ND240 | Zea mays L. subsp. mays | North Dakota, United States | NC7 |  | | 1991 | DEVELOPED | | | | | | Breeding material | Yellow dent inbred line developed from (ND408 x ND230)x ND408 in a program designed to transfer the early maturity and vigor of ND230 into the more desirable agronomic type of ND408 by self pollination and selection for early silking date and agronomic type for several generations. At Fargo, ND240 flowers about 4 days later than ND230 and 8 days earlier than ND408. ND240 has a medium tall plant with upper ear placement slightly above the midpoint of the stalk. Usually single stalked and semiprolific. Produces medium long, thick ears with 18 to 20 rows of deep kernels. In 1974 NCR-2 tests, ND240 exhibited above average resistance to yellow leaf blight and high root-pulling resistance, but was susceptible to maize chlorotic dwarf virus. Has more resistance to root lodging than ND230. In tests in central North Dakota, ND240 has displayed high combining ability for yield, shelling percentage, and low ear moisture at harvest, but below average combining for stalk strength. Released because of its potential for use by hybrid corn seed industry in producing early, superior hybrids and for further use in breeding programs. Maturity classification is AES200. Sister line of ND241. | 1071169 | PI 607519 |
| 1 | PI 607520 | ND241 | Zea mays L. subsp. mays | North Dakota, United States | | | Historic | 1991 | DEVELOPED | | | | | | Breeding material | Yellow dent inbred line developed from (ND408 x ND230)x ND408 in a program designed to transfer the early maturity and vigor of ND230 into the more desirable agronomic type of ND408 by self pollination and selection for early silking date and agronomic type for several generations. ND241 is a sister line to ND240, but is slightly taller than ND240 with a higher ear placement. It has about the same number of leaves which are slightly longer and wider. At Fargo, ND241 flowers 2 days later than ND240. ND241 produces single stalked plants and is semiprolific. Ears are shorter and thinner than those of ND240 with 16 to 18 rows of kernels which tend to be deeper. In 1974 regional tests, ND241 had above average root-pulling resistance and resistance to yellow leaf blight, and it had more resistance to maize dwarf mosaic virus and maize chlorotic dwarf virus than ND240. Susceptible to first brood European corn borer (Ostrinia nubilalis) feeding. Combining ability effects similar to ND240 for yield, ear moisture, and stalk strength, but lower general combining ability effects for shelling percentage. Released because of its potential use by the hybrid corn seed industry in producing early, superior hybrids and for further use in breeding programs. Maturity classification AES200. | 1071170 | PI 607520 |