Correlation study on yield and yield contributing traits in Brassica compestris L

Kamran Hashim Jamali, Shah Nawaz Mari, Zahoor Ahmed Soomro, Saima Soomro, Asifa Khanzada

Abstract


Studies on correlation among yield and yield contributing traits in Brassica compestris L. were carried out during the year 2012-13, using six brassica varieties including three commercial varieties and three candidates selected from the available germplasm. The genetic material used consisted of V1=P-8 (UCD-8), V2=P-14 (UCD-14), V3=Gaj Sarhein, V4=P-4 (UCD-4), V5=Sindh Raya and V6=S-9 (Check). The experiment was laid out in a three replicated Randomized Complete Block Design.The results revealed that among brassica genotypes significant (P<0.05) differences were observed for plant height, days to 75% flowering, pods plant-1, seeds pod-1, seed index and seed yield plant-1; while non-significant (P>0.05) for branches plant-1 and days to 90% maturity. The check variety S9 performed better in four yield traits viz; plant height, days to 90 % maturity, number of pods plant-1 and seed yield plant-1. The cultivar P4 performed better in days to 75% flowering and seed index, whereas, Sindh Raya and gaj sirenh performed better for number of branches plant-1 and number of seeds pod-1 respectively. Highly significant positive correlation was observed in plant height, days to 75% flowering, number of pods plant-1 and seed index vs seed yield-1. Positive and significant correlation was observed between plant height and pods plant-1 (r=0.8168**), plant height and seed yield plant-1 (r=0.6138**), days to 75% flowering and seed index (r=0.5144*), days to 75% flowering and seed yield plant-1 (r=0.7523**), pods plant-1 and seed index (r=0.6551**), pods plant-1 and seed yield plant-1 (r=0.5541**), seed index and seed yield plant-1 (r=0.5980**). Negative and significant correlation was observed between plant height and seeds pod-1, (r= -0.6832**), branches plant-1 and days to 90% maturity (r= -0.4740*) and pods plant-1 and seeds pod-1 (r= -0.6794**). Studies on correlation among yield and yield contributing traits in Brassica compestris L. were carried out during the year 2012-13, using six brassica varieties including three commercial varieties and three candidates selected from the available germplasm. The genetic material used consisted of V1=P-8 (UCD-8), V2=P-14 (UCD-14), V3=Gaj Sarhein, V4=P-4 (UCD-4), V5=Sindh Raya and V6=S-9 (Check). The experiment was laid out in a three replicated Randomized Complete Block Design.The results revealed that among brassica genotypes significant (P<0.05) differences were observed for plant height, days to 75% flowering, pods plant-1, seeds pod-1, seed index and seed yield plant-1; while non-significant (P>0.05) for branches plant-1 and days to 90% maturity. The check variety S9 performed better in four yield traits viz; plant height, days to 90 % maturity, number of pods plant-1 and seed yield plant-1. The cultivar P4 performed better in days to 75% flowering and seed index, whereas, Sindh Raya and gaj sirenh performed better for number of branches plant-1 and number of seeds pod-1 respectively. Highly significant positive correlation was observed in plant height, days to 75% flowering, number of pods plant-1 and seed index vs seed yield-1. Positive and significant correlation was observed between plant height and pods plant-1 (r=0.8168**), plant height and seed yield plant-1 (r=0.6138**), days to 75% flowering and seed index (r=0.5144*), days to 75% flowering and seed yield plant-1 (r=0.7523**), pods plant-1 and seed index (r=0.6551**), pods plant-1 and seed yield plant-1 (r=0.5541**), seed index and seed yield plant-1 (r=0.5980**). Negative and significant correlation was observed between plant height and seeds pod-1, (r= -0.6832**), branches plant-1 and days to 90% maturity (r= -0.4740*) and pods plant-1 and seeds pod-1 (r= -0.6794**).

Keywords


Correlation;Brassica sp;Oilseeds

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