Annals of Plant Protection Sciences
Year : 2002, Volume : 10, Issue : 1
First page : ( 95) Last page : ( 98)
Print ISSN : 0971-3573.

Effect of Yellow Mosaic Virus on Seed Yield of Horse Gram (Macrotyloma uniflorum) Pedigrees Under Rainfed Alfisols

Sankar G.R. Maruthi, Das N.D., Reddy P. Raghuram

Central Research Institute for Dryland Agriculture. Santoshnagar, Hyderabad - 500 059, India.

Abstract

A study was made to assess the effect of yellow mosaic virus (YMV) on 18 mutated pedigrees of horse gram grown under rainfed alfisols. The assessment was based on descriptive statistics of pedigrees along with the estimates of correlation computed between the incidence of YMV and harvested seed yield with the data of field experiments on horse gram conducted during late kharif 1995 and 1997. Analysis of variance indicated a significant difference among pedigrees in both seasons. Graphical analysis had also been made to show the effeCt of YMV on seed yield in pedigrees. The study indicated the superiority of 2-R, 7-R, 8-R and 9R pedigrees which had a higher seed yield with lower incidence of YMV in both seasons. Further, these four pedigrees were found to have a lower standard deviation which indicated that they were more stable and consistent in their performance in both seasons.

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Key words

Correlation analysis, Horse gram, Seed yield, Yellow mosaic virus.

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