Reference Report for SoyBase73001310
| Title: | Reaction of soybean varieties to Stemphylium vesicarium (Wallr.) Simmons and its relation to the chemical constituent of the plant |
| Authors: | Zayed, M.A., Darrag, I.E., Aly, A.Z., El Gantiry, S.M. |
| Source: | Agr. Res. Review 1984, 60(2):105-116 |
| Abstract: | Resistant Williams and Columbus, moderately susceptible Clark and Calland, and susceptible Woodworth and Cutler were inoculated as 30-day-old seedlings. Total sugars increased in the leaves of Williams and Columbus as they resisted infection, and these varieties contained greater amounts of total, free and conjugated phenols and orthodihydroxyphenols in inoculated leaves and of orthodihydroxyphenols in uninoculated leaves than did the susceptible varieties. Total amino acids decreased with infection and were generally higher in the most susceptible than in the most resistant varieties, whether inoculated or not.ADDITIONAL ABSTRACT:Total sugars decreased in inoculated susceptible cultivars but increased in more resistant ones. Reducing sugars increased and the non-reducing sugars decreased in infected leaves. More resistant cultivars possessed higher amounts of total, free and conjugated phenols and orthodihydroxyphenols than susceptible ones. Uninoculated plants of the susceptible Woodwoarth contained more free amino acids than the less susceptible Colombus. |
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