Biochemical Changes in Soybean (Glycine max L.) Cultivars Infected with Yellow Mosaic Virus
1991
Summary Soybean yellow mosaic virus is a limiting factor in the cultivation of soybean crop in Punjab and it caused both qualitative and quantitative changes in the leaves and the seeds of three soybean cultivars i.e. Pb No. l, SL 96 and Bragg. Virus infected leaves had significantly higher moisture percentage and less chlorophyll and sugar contents when compared with the healthy leaves. Seeds of infected plants contained significantly lower percentages of chlorophyll, proteins, sugars, phenols, free amino acids and oils as compared with the seeds of healthy soybean plants. However, variety Pb No. 1 possessed significantly more percentage of chlorophylls and proteins, when compared with the virus susceptible variety Bragg. Carotenoids were totally absent in the seed of virus infected plants.
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