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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 | | |
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| 0 | GSHO 753 | seg4.d | Hordeum vulgare L. subsp. vulgare | Montana, United States | NSGC |  | | 1994 | DEVELOPED | | | | | | Genetic material | Under field conditions in the original mutant, seed size is reduced to about 38% of normal and seed set is about 50% of normal. Stand establishment is poor under field conditions. Xenia effects were not observed in the original study, but the stock presently held as GSHO 753 and the Bowman backcross-derived line show xenia effects in hybrid plants. The lemma side of the kernel has a very distinct depression in mature seed. Inheritance: Monofactorial recessive. Located in chromosome 7HL [1L], over 34.0 cM from the centromere. Previous nomenclature and gene symbolization: Shrunken endosperm=se4. Mutational events: seg4.d in Compana. Mutant used for description and seed stocks: seg4.d in Compana (GSHO 753); seg4.d in Bowman (PI 483237)*5 ( (GSHO 1853). | 1513844 | GSHO 753 |
| 1 | GSHO 754 | seg5.e | Hordeum vulgare L. subsp. vulgare | Montana, United States | NSGC |  | | 1994 | DEVELOPED | | | | | | Genetic material | Seed size is reduced in homozygotes with the 100-kernel weight being about 50% of normal. However, seed size is quite variable within a spike. Seed set is reduced to about 20%, probably due to seed abortion. The caryopsis freqently exceeds the lemma and palea in length. The combination of caryopsis length and reduced seed set is used to classify mutant plants. Inheritance: Monofactorial recessive. Located in chromosome 7HS [1S], probably in the centromeric region of the short arm. Previous nomenclature and gene symbolization: Shrunken endosperm=se5. Mutational events: seg5.e in a Sermo/7*Glacier line. Mutant used for description and seed stocks: seg5.e in a Sermo/7* Glacier line (GSHO 754). | 1513981 | GSHO 754 |
| 2 | GSHO 755 | sex1.a | Hordeum vulgare L. subsp. vulgare | Montana, United States | NSGC |  | | 1994 | DEVELOPED | | | | | | Genetic material | After the hard dough stage, kernels develop a depression in the center of the lemma which becomes progressively more distinct with maturity. The 100-kernel weight of the mutant is about 75% of normal. The mature endosperm of the mutant appears to be harder than normal. The mutant expresses xenia permitting classification of kernels from heterozygous plants as normal or shrunken with an expected 3:1 ratio. Field establishment and growth of mutant plants is normal. Mutant plants have a higher lysine content in the endosperm than normal sibs. Inheritance: Monofactorial recessive. Located in chromosome 6HL, about 5.6 cM proximal from the msg36 (male sterile genetic 36) locus. Previous nomenclature and gene symbolization: Shrunken endosperm 6=se6. Shrunken endosperm 6=se6f. High lysine 5=lys5. Mutational events: sex1.a in Compana; lys5.f (Riso 13) in Bomi (PI 43371), sex1.d or lys5.h (Riso 86), sex1.e or lys5.g (Riso 29) in Carlsberg II (CIho 10114). Mutant used for description and seed stocks: sex1.a in Compana (GSHO 755); sex1.e in Bowman (PI 483237)*3 (GSHO 2071). | 1514338 | GSHO 755 |