Effect of Biological Fertilizers on Germination Indices in Wheat Cultivars With Drought In Greenhouse
To determine aminol-forte and fosnutren, as two biological fertilizers containing amino acids, effects on 11 bread wheat cultivars in Ardabil IAU research greenhouse a research was carried out in factorial completely randomized block design with three replications. Factor A in two conditions (drought and normal), factor B in three levels (water, aminol-forte and fosnutren) and factor C included 11 bread wheat cultivars. Results suggested that there was a significant difference between test conditions based on all measured indices at 1%. Also there was a significant difference between studied cultivars based on assessed properties at 1 to 5%. There was a significant difference between fertilizer levels based on germination speed coefficient, ultimate germination percentage, germination rate index and daily average germination rate at 5%. The test conditions interaction in biologic fertilizers in all studied traits were significant at 1%. The results to the means comparison suggested that genotypes of Kuhdasht with a mean of 57.57, Saisons with a mean of 57.13, Azar 2 with a mean of 56.64 and Zagros with a mean of 56.60 had the highest germination duration mean and Chamran genotype with a mean of 46.39 had the lowest germination duration mean. On germination rate, also, Chamran genotype with a mean of 0.0218 had the best and Kuhdasht and Saisons genotypes with means of 0.0173 and 0.0175, respectively, had the lowest germination rate. Results to the data mean comparisons on fertilizer levels indicated that fosnutren liquid fertilizer was the best genotype in germination rate coefficient, germination duration mean and germination rate index. Finally, it could be mentioned that applying biological fertilizers which contain amino acids, could play a great positive role in wheat germination indices. (Elena Khabiri, Yousef Alaei, Seyed sajjad moosavi, Ali Mohammadpour Khanghah and Maryam Jafari. Effect of
Effect of two types biological fertilizers containing amino acids ongermination indices of wheat varieties under in vitro drought stress conditions
An experiment were done for evaluation effect of two types biological fertilizers containing amino acids on germination indices of 11 wheat varieties under in vitro drought condition in research laboratory of Islamic Azad University, Ardabil branch. For this purpose, factoriel experiment was applied on the basis of completley randomized block designe in three replications. Factor A was in two conditions (drought and normal); Factor B in three levels ( water, Aminol Forte and Fosnutren) and Factor C included 11 wheat genotypes. Results showed significant differences between amino acid compositions of this research for average duration of germination, germination speed, final germination percent and average daily germination at probability level of 5 %. Results of means comparison revealed that Sardari had the highest germination speed by 0.03322 and Cross Sabalan the lowest amount by 0.02661. Fosnutren was the best of all traits except of germination speed. We can conclude that biologically amino acid fertilizers Can contribute a great positive impact on the germination indices of wheat.
Abiotic metal stress enhances diosgenin yield in Dioscorea bulbifera L. cultures
Lower concentrations of CuSO4 (25–75 μM) in the MS medium supplemented with 0.1 mg l−1 IAA+5.0 mg l−1 Kn+500 mg l−1 CH+10 mg l−1 Cyst hyd enhanced the growth of regenerants of Dioscorea bulbifera L. CuSO4 (75 μM) induced an appreciable diosgenin yield in the regenerants compared to those obtained on media without Cu. The presence of Cu thus seems to stimulate diosgenin production. The regenerants also differentiated bulbils on lower concentrations of Cu. At CuSO4 (100 μM), however, cultures showed poor growth as well as a low diosgenin yield. Increased proline and protein contents were recorded in cultures grown on Cu-enriched media.