Effect of some sources of pollution on tomato plants. II - Chemical constituents | ||
| Journal of Pest Control and Environmental Sciences | ||
| Volume 4, Issue 2, December 1992, Pages 61-78 PDF (5.82 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpces.1992.462277 | ||
| Authors | ||
| Ansary E. Moftah* ; Ahmed A. Gendy; Abd El-Halim M. Eid | ||
| Dept. Botany, Facu. Agric., Menofiya Univ. | ||
| Abstract | ||
| This study was carried out in the Faculty of Agriculture, Menofiya University during the summer seasons of 1989 and 1990, to detect the effect of lead (0.0, 50, 100 and 200 ppm), dimethoate (0.0, 0.2, 0.4 and 0.8%) and sulfuric acid (0.0, 0.02, 0.04 and 0.08 N) on the chemical compositions of tomato plants (cv. Ace) grown in sand culture. Each pollutant was introduced in two different methods, soil treatment and foliar spray. The chemical analysis for plant leaves showed that all pollutants had deleterious effects on chlorophyll a, chl b, and total chl (a+b), but carotenoids were increased. Soluble sugars, total carbohydrates and mineral contents (N, P, K) were performed in plant leaves. There was a significantly positive correlation between nitrogen and chlorophyll (a+b) content on soluble sugars and insignificant correlation between total chl and total carbohydrates. The foliar spray method was more harmful in reducing chl and carbohydrate fractions than the soil application, while the reverse was true for the mineral contents. | ||
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