Íslenskar landbúnaðarrannsóknir - 01.09.1969, Page 12

Íslenskar landbúnaðarrannsóknir - 01.09.1969, Page 12
10 ÍSLENZKAR LANDBUNAÐARRANNSÓKNIR TAFLA IV - TABLE IV Niðurstöður rannsókna á hávingulsfræi Seed tests of Festuca pratensis I. flokkur I. quality \ II. flokkur II. quality Ár Year Tala sýna Total samples Gróhraði G ermina- tion rale % Grómagn Total ger- mination % Þyngd 1000 fræja Weight per 1000 seed g Mesta grómagn Max. ger- mination % Tala sýna Total samples Mesta grómagn Max. ger- mination % 1923 .... 1 3,0 1924 .... 1 21,0 39,0 1,325 39,0 1925 .... 4 59,0 1931 .... 2 49,5 86,0 2,300 86,0 1932 .... 3 47,0 72,7 2,470 84,0 10 52,0 1933 .... 2 44,5 70,3 2,141 72,0 5 51,0 1934 .... 6 47,7 62,7 1,917 88,0 4 45,0 1935 .... 7 46,9 75,3 1,769 87,0 5 61,0 1936 .... 2 66,2 71,7 2,988 76,8 1937 .... 4 41,0 63,0 2,280 66,0 9 42,0 1938 .... 5 46,5 58,5 2,349 80,0 6 41,0 1939 .... 4 73,4 89,8 2,625 93,4 1940 .... 3 15,0 1941 .... 2 52,5 61,0 2,218 69,0 1942 .... 3 68,7 75,7 2,042 91,0 1 34,0 1943 .... 1 56,8 62,8 1,860 62,8 1 21,6 1945 .... 1 59,5 70,5 1,840 70,5 1948 .... 1 25,5 1949 .... 1 23,0 1951 .... 1 14,0 1953 .... 1 68,0 68,0 1,800 68,0 1954 .... 1 70,0 78,0 2,160 78,0 1957 .... 3 59,8 65,7 1,983 72,5 1958 .... 1 46,0 65,0 1,960 65,0 1959 .... 1 70,0 70,0 70,0 Alls Total 50 52 Meðaltal Average 54,5 68,7 2,113 74,7 34,8 Hásveifgras (Poa trivialis) Fyrstu árin á Sámsstöðum voru gerðar tilraunir með frærækt af þessari tegund og notað danskt fræ, sem reyndist vel til þrosk- unar, en uppskera varð alltaf of lítil til þess, að fræræktin borgaði sig fjárhagsfega. Kom hér til, að við uppskeru tapaðist mik- ið af fræi, því að það er laust í öxunum,
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