Coefficient of correlation and path coefficient analysis in garlic (Allium sativum L.) mutant lines for bulb yield and its components

This study aims to study aims to evaluate the genetic variability and genetic advance for bulb yield and components of different mutant lines of Garlic (Allium sativum L.) under Chhattisgarh plains The experiment was laid out in Randomized Block design with three replications 21 mutant lines viz., IG C-1, IG C-2, IG C-3, local check, IG M-2021-1, IG M-2021-2, IG M-2021-3, IG M-2021-4, IG M-2021-5, IG M-2021-6, IG M-2021-7, IG M-2021-8, IG M-2021-9, IG M-2021-10, IG M-2021-11, IG M-2021-12, IG M-2021-13, IG M-2021-14, IG M-2021-15, IG M-2021-16, IG M-2021-17. Data were analyzed to work out performance of mutant lines, to assess genetic variability, heritability, genetic advance. The character taken under study include plant height (cm), number of leaves, collar height (cm), collar thickness (cm), fourth leaf length (cm), fourth leaf width (cm), polar diameter (cm), equatorial diameter (cm), neck thickness (cm), number of cloves, average weight of bulb (g), TSS, days to maturity, weight of ten outer cloves (g), marketable yield (t ha^-1), total yield (t ha^-1). The correlation study among different characters revealed that selection of bulb yield should be on the basis of marketable yield, days to maturity, plant height, fourth leaf length, neck thickness, weight of outer ten cloves and average weight of bulb, collar thickness and fourth leaf width. Path analysis estimates revealed that marketable yield had maximum direct effect on total bulb yield in tonnes per hectare, followed by fourth leaf length, number of cloves, equatorial diameter, collar thickness, polar diameter. Hence these characters can be used while selection aiming at garlic improvement program under Chhattisgarh plains.