Abstract
There are many factors, which negatively affect plant development. One of these factors is lead (Pb), which causes toxic effects on plants during the seedling period. Mycorrhizas (AMF) contribute positively to plant growth. In eggplant seedlings, it has been researched whether to tolerate the negative effects of lead with mycorrhizas. In the study, Gigaspora margarita (Gm) and Glomus intraradices (Gi) mycorrhizal races were applied before seeds were sown. After the first true leaves appeared, 5 different doses of Pb (0, 100, 200, 400 and 800 ppm) were given. As a result, the earliest true leaf appearance time, the widest cotyledon and longest cotyledon, were taken from Gm application. In terms of other seedling development parameters, the highest values were obtained from Gm-0 ppm Pb application. In addition, it was observed that the control 0 and 100 Pb ppm applications received high values. As expected, due to the toxic effect of lead, no plants could be obtained in Control-800 ppm Pb application. However, the plants continued to develop by tolerating the toxic effect of lead in Gm-800 ppm and Gi-800 ppm applications especially. The other criteria that we examined were the intake of important nutrients N, P, K and Ca with mycorrhizal even in high-dose lead conditions. It was observed that the lead was taken into the plant by mycorrhizal. Lead content in the root was more than the lead content in the shoot. In general, it was seen that low Pb dose in Gi application can be partially tolerable for seedling growth and nutrient content.
Highlights
Factors such as a rapidly growth in the population, nutritional deficiencies, irregular urbanization, people's desire for excessive consumption, and developing technology cause the environmental pollution problem (Sağlam and Cihangir, 1995)
It has been reported that, if plants take these heavy metals as essential nutrients, they pose a serious risk to human health
The tree leaf appearance time was obtained from Gigaspora margarita (Gm) application with the earliest 16.73 days
Summary
Factors such as a rapidly growth in the population, nutritional deficiencies, irregular urbanization, people's desire for excessive consumption, and developing technology cause the environmental pollution problem (Sağlam and Cihangir, 1995). It has been reported that, if plants take these heavy metals as essential nutrients, they pose a serious risk to human health. It is not deemed appropriate for the species in the Solanaceae family to be cultivated near industrial areas. Plants grown in soils with high lead content become pale and small-leaved (Sesli, 2003) It causes a reduction in the intake of essential nutrients in the roots and immobilization in the roots. In a study where 0, 75, 150 and 300 mg / l lead doses were applied to tomato seedlings, it caused an increase in lead concentration in leaves, shoots and roots. In another study conducted in Faisalabad of Pakistan, the concentration of lead in the leaves of spinach, lettuce, cauliflower, radish, coriander and cabbage grown around industrial areas is 2.251 mg / kg, 2.411 mg / kg, 1.331 mg / kg, 2.035 mg / kg, 2.652 mg/kg and 1.921 mg/kg respectively (Farooq et al, 2008). Demir (1998), on the other hand, revealed that the compatibility and development parameters of mycorrhizal in tomato, pepper and eggplant plants grown under greenhouse conditions are higher than those without mycorrhizal
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