Panjab University Research Journal (Science)
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CROSSABILITY STUDIES BETWEEN WHEAT-RYE ADDITION LINES AND BREAD WHEAT GENOTYPES

M.C. Sidhu*
Department of Botany, Panjab University, Chandigarh - 160 014

*Corresponding author : mcsidhu@hotmail.com


Abstract
Crossablity of seventeen disomic /ditelosomic wheat rye addition lines with three bread wheat genotypes is determined. All cross combinations (51) are highly crossable except 4 and 5, which had seed set percentage below 60. It was also noticed that a specific combination (6R x HD29) had very high percentage of seed set (92.98). In some cases like 4R x PBW343, crossability is very poor (39.69%), which suggested that crossability of wheat-rye addition lines vary with different wheat genotypes. It is desirable to select highly crossable disomic/ ditelosomic lines and bread wheat’s to transfer crossability genes of these genotypes to the attractive wheat parent, which can then be used in for further wheat improvement programme.

Key words: Crossability, wheat-rye addition lines, wheat genotypes.
 

 
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