During 1977 the Maize Genetics Cooperation received 143 requests for maize genetic stocks. There were 107 (75%) domestic and 36 (25%) foreign requests. Requests from geneticists constituted 56%, plant breeders 15%, plant physiologists 16%, and educational 13%. A total of 1407 seed packets were sent to fill these requests, 64% for domestic and 36% for foreign use. The distribution of seed packets by use was geneticists 74%, plant breeders 7%, plant physiologists 9%, and educational 10%.
Each year stocks are sent in by maize geneticists to become a part of
the collection. The following have been received during the past several
years and are on the stock list or will be placed there when adequate seed
is available.
| Trait | Symbol | Contributor |
| Alcohol dehydrogenase | Adh-1S; Adh1-P | M. Freeling |
| Adh-1F825; Adh2-Gamma | ||
| Disease lesion mimic-1 | Les | M. G. Neuffer |
| Disease lesion mimic-2 | Les2 | " " |
| Expanded glume | eg | C. R. Burnham |
| Golden plant-5 | g5 | J. B. Beckett |
| Grassy tiller | gt | D. Shaver |
| Floury-3 | fl3 | 0. E. Nelson, Jr. |
| Indeterminant gametophyte | ig | J. L. Kermicle |
| Lethal leaf spot | Lls | F. Troyer |
| Lethal ovule | lo2 | 0. E. Nelson, Jr. |
| Opaque-5 | o5 | D. Robertson |
| Opaque-7 | o7 | K. McWhirter |
| Oil yellow (dominant allele) | Oy-yg | M. G. Neuffer |
| Helminthosporium maydis resistant | rhm | D. Smith |
| Multiple marker stock | bz2 a c2 a2pr y c bz wx r | E. H. Coe, Jr. |
| Corn-Tripsacum translocation | 22T+++ / ws3 lg1 gl2 | M. Maguire |
| Endosperm mutants converted to W23 and W64a | D. Garwood | |
| Alleles at the waxy locus | 0. E. Nelson, Jr. | |
| B-A translocations | J. B. Beckett | |
| Trisomics 1, 2, 4, 6, 7 | G. Doyle | |
| Tetraploid stocks | D. Shaver |
| Chromosome Aberrations - Supplied by D. B. Walden; originally from R. Morris: | |
| 1-7-3691-1 (1L.06;7L.81) | 5-7-3703 (5S.67;7L.81) |
| 2-7-3692-1 (2S.10;7L.02) | 5-10-3693 (5L.67;10L.51) |
| 3-8-3687 (3L.25;8L.88) | 6-9-3698 (6L.11;9L.28) |
| 4-7-3686 (4S.81;7S.06) | 8-10-3697 (8L.10;10L.18) |
| 5-7-3699 (5S.46;7L.07) | 9-10-3688 (9S.49;10L.02) |
A list of reciprocal translocation stocks available from the Maize Cooperation is in News Letter 43, 1969, or is available upon request.
Requests for stocks and correspondence relative to the stock center should be addressed to:
Dr. R. J. Lambert
S-116 Turner Hall
Department of Agronomy
University of Illinois
Urbana, Illinois 61801
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