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Richard Brieger house, Bastrop, Texas, ca. 1908
No full textPhotograph shows exterior of one-story frame house with Richard and Annie Brieger and sons, Charles (left) and T.A. Brieger on porch.Inscription on back:""Charles & T.A., Mama Brieger standing. Papa seated and Mary Hasler (Perkins) in window. This house belonged to Mary Hoppe Hasler and T.A. Hasler. Annie and Richard Brieger lived in it with [sons] Charles and T.A. Then Richard and Annie H. Brieger moved to Grandpas Brieger's house near Bastrop Museum This house stood on lot of Neby funeral home 1976.'
Gottlieb Brieger
No full textPhotograph shows waist length portrait of Gottlieb Brieger, a farmer and resident of Fayette County, Texas.Copied from crayon enlargement. Date on back: 1866
George and Louis Brieger with girlfriends
No full textPhotograph shows George Brieger (left), holding hands and with his arm around unidentified woman. They are seated next to his brother Louis Brieger, who is holding the hand of another unidentified woman. Taken in studio.The Brieger brothers were residents of Bastrop, Texas. Photographer's imprint on mount:""J.S. Blagg / Photographer / Smithville, Texas.
"Gottfried Brieger"
No full textNews article"For the past 40 years, Gottfried Brieger, professor of chemistry, has contributed to the growth, vitality and development of Oakland University.
Vera Brieger, as a girl, holding broom, ca. 1906
No full textPhotograph shows oval snapshot of Vera Brieger holding a broom.Vera Brieger (later Price) was born in 1902
Vera Brieger and Fay Chalmers seated in automobile, early 1920s
No full textPhotograph shows Brieger and Chalmers, students at Bastrop High School, seated in automobile in rural area. Partial view of car
Provas experimentares da fermentação: da putrefacção e da supuração
Get PDFO Professor Brieger, de Berlim, formulava assim a primeira conclusão de sua memoria sobre as ptomainas, lida no Congresso dos medicos alemães em Wiesbaden, a 14 de Abrii do ano passado
Campanulorchis Brieger
No full textCampanulorchis Brieger in Brieger et al. (1996: 750). Type: — C. globifera (Rolfe) Brieger (≡ Eria globifera Rolfe). 4 species in Cambodia, Laos, Vietnam, and S China (Hainan) (Fig. 1) Description:—Herbs epiphytic or lithophytic. Pseudobulbs 1-leaved, ovoid, globular, to broadly ovoid, pubescent when young, distant on creeping rhizome, covered by persistent bracts. Rhizome plagiotropic, stout, semiwoody. Leaves petiolate; petiole and leaf blade pubescent abaxially, almost glabrous adaxially. Peduncle erect, 1–4-flowered, arising from the apex of new pseudobulb; peduncle, rachis, pedicel and ovary densely tomentose. Flowers medium sized, widely opening or campanulate, sepals and petals free; sepals subsimilar, densely tomentose outside, glabrous inside; petals glabrous, slightly oblique. Lip 3-lobed, recurved, moveably joined to column foot apex; median lobe oblong; side lobes erect, half-ovate, slightly oblique; disc with 2–3 keels. Column simple, shortly cylindrical, wingless, at apex with broadly conoid stelidia; column foot as long as column, perpendicular to the column base, outside densely tomentose, stigma almost circular, anther cap hemi globular, finely papillose; pollinia in form of 8 half ovoid bodies connected by small amorphous viscidium. Fruit erect or ascending, narrowly obconoid, densely hairy capsule. Key to species 1. Inflorescence normally with 2–4 flowers; peduncle 8–12 cm long; leaves below densely white tomentose.........1. C. pulverulenta –. Inflorescence always 1-flowered; peduncle normally 1.5–3.5 cm long; leaves below glabrous.......................................................2 2. Sepals and petals uniform ochre yellow; lip not swollen on the margin; pedicel, ovary and abaxial surface of sepals brown orange tomentose..............................................................................................................................................................................2. C. thao –. Sepals and petals white with purple nerves at base; lip swollen on the margin towards the apex; pedicel, ovary and abaxial surface of sepals silvery white hairy...............................................................................................................................................................3 3. Leaf petiole less than 2.5 cm long................................................................................................................................ 3. C. globifera –. Leaf petiole 6–8 cm long............................................................................................................................................... 4. C. longipesPublished as part of Vo, Doan Trung, Averyanov, Leonid, Maisak, Tatiana, Canh, Nguyen Van, Nguyen, Huu Cuong, Dang, Minh Quan, Dang, Van Son, Truong, Quang Tam & Vuong, Truong Ba, 2022, Taxonomic treatment of the genus Campanulorchis (Orchidaceae), pp. 173-182 in Phytotaxa 561 (2) on page 174, DOI: 10.11646/phytotaxa.561.2.5, http://zenodo.org/record/705946
A ação dos gens gametofíticos com referência especial ao milho
No full text1) The first part deals with the different processes which may complicate Mendelian segregation and which may be classified into three groups, according to BRIEGER (1937b) : a) Instability of genes, b) Abnormal segregation due to distur- bances during the meiotic divisions, c) obscured segregation, after a perfectly normal meiosis, caused by elimination or during the gonophase (gametophyte in higher plants), or during zygophase (sporophyte). Without entering into detail, it is emphasized that all the above mentioned complications in the segregation of some genes may be caused by the action of other genes. Thus in maize, the instability of the Al factor is observed only when the gene dt is presente in the homozygous conditions (RHOADES 1938). In another case, still under observation in Piracicaba, an instability is observed in Mirabilis with regard to two pairs of alleles both controlling flower color. Several cases are known, especially in corn, where recessive genes, when homozigous, affect the course of meiosis, causing asynapsis (asyndesis) (BEADLE AND MC CLINTOCK 1928, BEADLE 1930), sticky chromosomes (BEADLE 1932), supermunmerary divisions (BEADLE 1931). The most extreme case of an obscured segregatiou is represented by the action of the S factors in self stetrile plants. An additional proof of EAST AND MANGELSDORF (1925) genetic formula of self sterility has been contributed by the studies on Jinked factors in Nicotina (BRIEGER AND MANGELSDORF (1926) and Antirrhinum (BRIEGER 1930, 1935), In cases of a incomplete competition and selection between pollen tubes, studies of linked indicator-genes are indispensable in the genetic analysis, since it is impossible to analyse the factors for gametophyte competition by direct aproach. 2) The flower structure of corn is explained, and stated that the particularites of floral biology make maize an excellent object for the study of gametophyte factors. Since only one pollen tube per ovule may accomplish fertilization, the competition is always extremely strong, as compared with other species possessing multi-ovulate ovaries. The lenght of the silk permitts the study of pollen tube competitions over a varying distance. Finally the genetic analysis of grains characters (endosperm and aleoron) simpliflen the experimental work considerably, by allowing the accumulation of large numbers for statistical treatment. 3) The four methods for analyzing the naturing of pollen tube competition are discussed, following BRIEGER (1930). Of these the first three are: a) polinization with a small number of pollen grains, b) polinization at different times and c) cut- ting the style after the faster tubes have passe dand before the slower tubes have reached the point where the stigma will be cut. d) The fourth method, alteration of the distatice over which competition takes place, has been applied largely in corn. The basic conceptions underlying this process, are illustrated in Fig. 3. While BRINK (1925) and MANGELSDORF (1929) applied pollen at different levels on the silks, the remaining authors (JONES, 1922, MANGELSDORF 1929, BRIEGER, at al. 1938) have used a different process. The pollen was applied as usual, after removing the main part of the silks, but the ears were divided transversally into halves or quarters before counting. The experiments showed generally an increase in the intensity of competition when there was increase of the distance over which they had to travel. Only MANGELSDORF found an interesting exception. When the distance became extreme, the initially slower tubes seemed to become finally the faster ones. 4) Methods of genetic and statistical analysis are discussed, following chiefly BRIEGER (1937a and 1937b). A formula is given to determine the intensity of ellimination in three point experiments. 5) The few facts are cited which give some indication about the physiological mechanism of gametophyte competition. They are four in number a) the growth rate depends-only on the action of gametophyte factors; b) there is an interaction between the conductive tissue of the stigma or style and the pollen tubes, mainly in self-sterile plants; c) after self-pollination necrosis starts in the tissue of the stigma, in some orchids after F. MÜLLER (1867); d) in pollon mixtures there is an inhibitory interaction between two types of pollen and the female tissue; Gossypium according to BALLS (1911), KEARNEY 1923, 1928, KEARNEY AND HARRISON (1924). A more complete discussion is found in BRIEGER 1930). 6) A list of the gametophyte factors so far localized in corn is given. CHROMOSOME IV Ga 1 : MANGELSDORF AND JONES (1925), EMERSON 1934). Ga 4 : BRIEGER (1945b). Sp 1 : MANGELSDORF (1931), SINGLETON AND MANGELSDORF (1940), BRIEGER (1945a). CHROMOSOME V Ga 2 : BRIEGER (1937a). CHROMOSOME VI BRIEGER, TIDBURY AND TSENG (1938) found indications of a gametophyte factor altering the segregation of yellow endosperm y1. CHROMOSOME IX Ga 3 : BRIEGER, TIDBURY AND TSENG (1938). While the competition in these six cases is essentially determined by one pair of factors, the degree of elimination may be variable, as shown for Ga2 (BRIEGER, 1937), for Ga4 (BRIEGER 1945a) and for Spl (SINGLETON AND MANGELSDORF 1940, BRIEGER 1945b). The action of a gametophyte factor altering the segregation of waxy (perhaps Ga3) is increased by the presence of the sul factor which thus acts as a modifier (BRINCK AND BURNHAM 1927). A polyfactorial case of gametophyte competition has been found by JONES (1922) and analysed by DEMEREC (1929) in rice pop corn which rejects the pollen tubes of other types of corn. Preference for selfing or for brothers-sister mating and partial elimination of other pollen tubes has been described by BRIEGER (1936). 7) HARLAND\u27S (1943) very ingenious idea is discussed to use pollen tube factors in applied genetics in order to build up an obstacle to natural crossing as a consequence of the rapid pollen tube growth after selfing. Unfortunately, HARLAND could not obtain the experimental proof of the praticability of his idea, during his experiments on selection for minor modifiers for pollen tube grouth in cotton. In maize it should be possible to employ gametophyte factors to build up lines with preference for crossing, though the method should hardly be of any practical advantage
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