Abstract
This study was aimed to investigate the effects of different seed weights on plant growth, mineral nutrition and nutrient uptake of wheat and been plants. Also relations among seed weights and examined parameters were examined. For this purposes, 3 groups of wheat grains having 3.35, 4.05 and 4.98 g 100 seeds -1 and 4 groups of been grains having 30.02, 45.18, 54.01 and 58.6 g 100 seeds -1 were selected. Experiment was set up under greenhouse condition and left for growing during 2 months. After the experimental period, plants were harvested and analyzed for mineral analysis. According to the results it was seen that dry weights of both plants increased with the seed weights. For wheat plants, increasing of seed weights led to increase of plant Fe, Zn and Mn concentrations. Also K, Ca, Mg, Fe, Zn and Mn uptake of plant from the soil increased with increase of 100 seed weights. Similarly, N, Ca, Mg and concentrations of bean and nutrient uptake (K, Ca, Mg, Fe, Cu, Zn and Mn) from the pot increased with the seeds weights. For both plants, while there were not any correlations among seeds weights and seed nutrient concentrations generally, there were some significant correlations among the seeds weights and dry weights, leaf nutrient concentrations and nutrient uptake.
Highlights
Seed quality is one of the important factor effecting plant growth, yield and nutrient uptake by the plants
In several studies conducted on different plants it was indicated that seed size and weight significant increased seedling shoot and root growth, biomass yield and some seed quality parameters [2, 3, 4, 5]
Wheat seeds were divided in 3 groups depending on 100 seeds weights as 3.35, 4.05 and 4.98 g 100 seeds1 and bean seeds were divided in 4 groups as 30.02, 45.18, 54.01 and 58.60 g 100 seeds-1
Summary
Seed quality is one of the important factor effecting plant growth, yield and nutrient uptake by the plants. In several studies conducted on different plants it was indicated that seed size and weight significant increased seedling shoot and root growth, biomass yield and some seed quality parameters [2, 3, 4, 5]. Big seeds form bigger and longer root systems helping stronger seedling growth and promote early plant growth [6, 7]. Effect of seed size on plant growth and some plant parameters can vary with environmental factors such as rainfall and irrigation. It was stated that effect of seed size did not affect some yield and yield characteristics of wheat under dry conditions, whereas under irrigated conditions big sized grains significantly
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