![](../images/ball_good.gif)
Introduction
![](../images/ball_good.gif)
Revew of literature
![](../images/ball_spot.gif)
Combining ability and genetic parameters
![](../images/ball_spot.gif)
Genetic studies on correlation among important characters in leafy vegetables
![](../images/ball_good.gif)
Materials and Methods
![](../images/ball_spot.gif)
Crossing technique
![](../images/ball_spot.gif)
Evaluation during 1980-1981 season
![](../images/ball_spot.gif)
Evaluation during 1981-1982 season
![](../images/ball_spot.gif)
Statistical analysis
![](../images/ball_spot.gif)
Estimates of genetic paramenters
![](../images/ball_good.gif)
Results and Discussion
![](../images/ball_spot.gif)
Combining ability and genetic parameters
![](../images/ball_spot.gif)
Correlation among NDBand other characters
![](../images/ball_good.gif)
Summary and conclusions
![](../images/ball_good.gif)
Literature cited
![](../images/ball_good.gif)
Arabic summary