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Pharmaceuticals have become an emerging environmental protection problem due to their presence in water and soil ecosystems. Reliable cell viability biomarkers (mitochondrial and cytosol distribution of cytochrome c oxidase activity), germination, and growth of seedlings were assessed to be sensitive endpoints of diclofenac toxicity. Moreover, the content of soluble carbohydrates in seedlings of three...
In many countries, the traditional method of growing shallots from bulbs is replaced by direct seeding in the field or by planting seedlings. The availability of shallot seed with high parameters of the sowing value is an important condition for growing shallot in larger areas. It is possible thanks to the progress in breeding and introduction into cultivation of new cultivars that produce seed stalks...
One of the reasons lowering the esthetic appearance of a lawn are diseases caused by fungi. The study on seed material of 11 ornamental grass species was carried out in 2009 and 2010. 681 fungi isolates belonging to 22 species and non-sporulating forms were obtained over the two year study period. Among fungi pathogenic to grasses, species of the genus Fusarium were obtained especially in 2010. In...
Anisoptera scaphula (Roxb.) Kurz, the tallest tree species in Bangladesh, is critically endangered worldwide due to its poor natural regeneration. This study describes the appropriate regeneration technique for A. scaphula through seed germination and clonal propagation by stem cutting. The fastest and highest germination percentage (65) was observed in dewinged seeds sown inverted orientation with...
Germination and viability of stored European beech (Fagus sylvatica) seeds can vary depending upon the time when the tests are done during seed storage. To determine the possible sources of such variation the germination (GERM), germination rate expressed as mean germination time (MGT) and viability (VIAB) of six beechnut lots (three lots from two crop years) were determined monthly for one year using...
In this article were developed method of research of rational diameter of the union coupling of supply of seed in a middle vertical aspiration, method of research of rational length of vertical aspirating channel of separator, method of research of the rational productivity of work of the developed separator of seed, method of research of rational diameter of bunker of faction And for a selection...
In order to improve the physiology of plants, this research evaluated the effect of high-intensity LED light (red, blue and green) on the following variables: germination (PG), hypocotyl length (HL), fresh (FW) and dry (DW) weight, in three types of lettuce seed (White Boston, Romana and Black Simpson). Exposure times with colour light were 12, 6 and 3h, with a complement of time for treatments with...
The aim of the research was to determine changes in the chemical composition in lupin seeds during seed germination in a solution containing selected nitrogen compounds. Blue lupin seeds of the Neptun cultivar were germinated for 3 or 4 days in darkness, at 24°C in 1% solutions containing the following nitrogen compounds: urea, nitric acid, ammonium sulphate, methionine or yeast extract. The control...
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