交雜種 옥수수 F_2世代에서의 種實重 및 主要形質에 對한 反應 = RESPONSES OF MAIZE HYBRIDS IN F_2 GENERATION FOR GRAIN YIELD AND MAJOR AGRONOMIC CHARACTERS

다국어 초록 (Multilingual Abstract)

This experiment was conducted to investigate the responses of F_2 maize hybrids for grain yield, yield components, and agronomic characters. Five F_2 hybrids Station of the Dongguk University in 1990. The obtained results are summarized as follows:
1. Average reduction rate of five F_2 maize hybrids for grain yield was 34% and the reduction rate ranged from 14 to 48%.
2. The reduction rates of ear length, number of kernels per row, number of kernel rows, and 100 kernels weight in F_2 generation were 16, 23, 7, and 7%, respectively.
3. Days to tasseling was delayed by 1 day in F_2 generation, and plant height (5%) and ear height (13%) were also reduced.
4. Stem diameter was reduced by 6%, however, no difference was observed for number of stem nodes. Barrenness in F_2 increased remarkably, indicating significantly influenced on the reduction of grain yield.

목차 (Table of Contents)

• Ⅰ. 序 言
• Ⅱ. 材料 및 方法
• Ⅲ. 結果 및 考察
• Ⅳ. 摘 要