Relationship between seed quality and high density of corn female parent
1995
Thomya Thongluang | Somchai Lim-aroon | Suvit Panichying (Kasetsart Univ., Bangkok (Thailand). National Corn and Sorghum Research Center)
Study on hybrid seed production of single cross hybrid SUWAN 3601 was conducted by using 2 inbred lines Ki 44 and Ki 45 as parent lines. The experiment was laid out in RCBD with 5 treatments of 5 x 75, 10 x 75, 15 x 75, 20 x 75 and 25 x 75 plant spacings included 4 replications. It was carried out at the National Corn and Sorghum Research Center during early rainy season 1995. The result revealed that seed yield were 349.99, 308.80, 286.01, 248.72 and 249.91 kg/rai from 5 x 75, 10 x 75, 15 x 75, 20 x 75 and 25 x 75 cm spacing, respectively. For qualified seed (marketable grade) the 5 x 75, 10 x 75, 15 x 75, 20 x 75 and 25 x 75 cm spacing yielded 257.98, 208.49, 200.68, 146.67 and 197.53 kg/rai, respectively.
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