PJB-2005-8
INHERITANCE OF QUALITATIVE TRAITS AND THEIR LINKAGE IN BLACKGRAM [VIGNA MUNGO (L.) HEPPER]
MUHAMMAD ARSHAD*, ABDUL GHAFOOR AND AFSARI SHARIF QURESHI**
Abstract
Four parents (Mash 1, Mash 3, MM 33-40, and 45726) were used to study inheritance of four qualitative characters, i.e., pubescence, seed coat colour, presence of spots on the seed coat and pod colour. All the four traits revealed monogenic nature of inheritance segregating in Mandelian ratio (3:1). The hairiness pattern was observed dominant over non-hairiness; brown seed coat colour dominant over green seed coat colour. Presence of spots on seed coat was dominant to absence of spots and black pods were dominant over brown pods in blackgram. Out of three hybrids, two (Mash 1/MM33-40 and 45726/MM33-40) revealed linkage between pod colour vs presence of spots on seed coat and pod colour vs seed coat colour that is suggested to be used for preliminary mapping in blackgram.
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