Salt stress, an abiotic stress, determines modifications of some biochemical indicators, like, antioxidant enzymes, proline (amino acid accumulate in higher plants under salinity stress) content, and some physiological processes including: plant growth and development. In this paper we studied the influence of exogenous treatment of wheat
... seeds, with 0.1 mM salicylic acid (SA) solution, in the plant response to salt stress. The treatment was applied by presoaking the seeds in the treatment solution for 12 hours before germination. The results showed that exogenous 0.1 mM SA solution, administrated to the wheat cariopses significantly ameliorated the negative effect of salt stress in first week of germination in laboratory conditions.
More sensitive than Mimosa pudica and more beautiful than any adornment detached from nature by man, the azalea (Azaleea indica) gathers through its shapes a real symphony of colours and enchanting hues, of elegant shapes, having no rival in the flower world. The azalea can multiply through seeds and vegetatively: seedlings, grafting, lay
...ering. The widest reproduction method remains that through semilignified seedlings, a method that can be used throughout the year avoiding the months less favourable for propagation by seedlings, with poor light: November and October. The best results are given by the spring propagations by seedlings (February-March) and the summer propagations by seedlings (July-August). The rooting can last for 12-14 weeks until the seedlings can be transplanted in flower pots without risks. A wide application in horticultural practice is the use of growth substances, that take part in the faster formation of roots and in a higher percent for species of plants, that, normally, root with difficulty through seedlings. Under this aspect, many synthetical compounds have proved to be very active (IAA, NAA, IBA, 2,4,5-T acid etc.) (3,4).