Guillermo Covas, Argentine agronomist (La Plata, Buenos Aires Province 01 February 1915 – Santa Rosa, La Pampa Province 31 August 1995) With Benno Schnack and others made chromosome counts on over two hundred species of the vascular flora of Argentina Found that pollen diameter: length of pollen tube ratio display taxonomic value in Angiosperms With B. Schnack. El valor taxonomico de la relación “longitude del pistilo : volumen del grano de polen”. Darwiniana 7(1):80-90, 1945 DEVELOPED CULTIVARS (about 30) Amaranthus sp. (6) Avena sativa (1) Bromus parodii (1) Carthamus tinctorius (1) Dactylus glomerata (1) Eragrostis curvula (4) Festuca arundinacea (1) Hordeum vulgare (1) Medicago sativa (3) Phalaris x tuberinacea (1) Secale cereale (1) Sorghum almun (2) Sorghum bicolor (1) Vicia dasycarpa (1) Tricepiro (x Agrotriticum) 1 Triticale (x Triticosecale) 3 DESCRIBED PLANTAE SPECIES Acrocomia chunta 1941 Alternanthera australis 1943 Alternanthera suessenguthii 1939 Bromus parodii 1968 with Itria Critesion californicum 1949 with Stebbins Gaillardia cabrerae 1969 Glandularia hookeriana 1945 with Schnack Glandularia parodii 1944 with Schnack Glandularia perakii 1944 with Schnack Glandularia santiaguensis 1944 with Schnack Hordeum arizonicum 1949 Hordeum hexaploidum 1950 Hordeum parodii 1951 Hordeum stebbinsi 1949 Hordeum tetraploideum 1953 Valenzuelia dissecta 1944 with Burkart HONORS Covasacris Liebermann 1970 (Orthoptera) LINKS https://botanicaargentina.org.ar/wp-content/uploads/2018/08/obituario029.pdf (biography and bibliography; in Spanish) |
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