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Ilość dostarczanych roślinom w pożywkach makro- i mikroelementów oraz ich wzajemne relacje mają zasadniczy wpływ na wzrost i rozwój roślin. Do niezbędnych mikroelementów roślinnych zaliczane są między innymi magnez, żelazo, mangan, miedź i cynk. Efektem działania niektórych substancji wzrostowych obok stymulacji, względnie hamowania, wzrostu i rozwoju jest zmiana rozciągliwości i plastyczności ścian...
Winter survival of cereals and grasses depends mainly on plant resistance to low temperature and to snow mould fungi. To persist winter plants have to be tolerant to different kind of stresses: abiotic such as low temperature, long-term snow and ice cover, freeze-induced plant desiccation or frequent freezing and thawing, and biotic - many species of snow mould fungi. During the cold acclimation,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.