. 1896 . (Zea mays). , , : . (Winter, 1929; Woodworth, Leng, Jugenheimer, 1952; Bonnett, 1954; Leng, 1960*).
( ) , 1896 . 10.9%. ( , ) . . , 24 120 , 12 60. 1956 . 60- .
. 10.9% 13.8% 5- 19.4% 50- . 10.9% 9.6% 5- 4.9% 50- . 60- . 12.1. , (Woodworth, Leng, Jugenheimer, 1952; Leng, 1960*).
. 12.1. (I) (II) (Zea mays), 60 . ( Woodworth, Leng, Jugenheimer, 1952; Leng, 1960.*) |
. , , , , , , (Woodworth, Jugenheimer, 1952*).
, 1903 ., 109 142 . , , . . 25 ( 1928 .). . 24- (1927 .) 20.3 306 . , , , . , 10 14 (Bonnett, 1954*).
Zea mays , . , , , , . , , ; , . , .