Abstract-Biodiversity represents the basis of all life on our planet or in a specific area. It is clear that natural resources do not last forever. Turkey is one of the most biologically diverse countries in the temperate zone. More than one third of species found in Turkey are endemic, native to the region. So Turkey is like a kind of small continent in terms of biodiversity. It is also rich as biodiversity with 120 mammals, 469 bird species, 130 reptiles, 400 fishes and 4000 endemic of 11000 plants species. However, this gene pool is threatened by genetic erosion as in some other parts of the world. The primary objective of germplasm conservation depends on genetic diversity. The importance of biodiversity is highlighted.

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Abstract-Plant species depend on specific environment conditions to optimum growing. There are various agricultural areas that comprised from plant species which originated in climatically quite different regions. Plants absorb many elements from soil which have biological function and some of them are known as toxic also at low amounts. In case of environmental conditions change, plants will response as changing some of their metabolic activities. So that some of the quality parameters will change. Some of the plants can adopt as well as reasonable values, but some of them will be affected negatively. Although human are not able to or has limits to change ecological situations, they also able to recognize some characteristics of plants and again can develop new plant species and regulate or eliminate some of the harmful effects of environment on plant quality parameters for adaptation to different climatic conditions. If we know the effects of ecological conditions on plants, the definition and improvement of plant quality parameters will be easy. Therefore plants are the basic place of food chain; there are some sorrows about their quality and credibility.Index Terms-Environment, food quality, human nutrition, inhibitors.

Common bean (Phaseolus vulgaris L.) is an important leguminous crop. Seed variables such as protein, oil, cellulose, ash, nitrogen‐free extract, testa and moisture contents and the thousand‐seed weights of seven bean cultivars currently cultivated in Turkey, namely, A‐111 Pinto, Çalı, Yunus‐90, Eskişehir‐855, Şehirali‐90, Karacaşehir‐90 and Romano, were analysed in the laboratory with respect to their effects on the quality of bean seed grown under Central Anatolian ecological conditions. Statistically significant variations were found by ANOVA amongst the cultivars for all the variables examined, except the ash content of the seeds, and different groups were obtained by Duncan’s multiple range test. Correlations amongst the variables as well as their direct and indirect effects on protein content were also calculated using the correlation and path coefficients analyses, respectively.

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