The influence of low and ultralow temperature on viability of fruit and berry seeds
2008
Safina, G.F., The N.I. Vavilov All-Russia Research and Development Inst. of Plant Growing, St.-Petersburg (Russian Federation)
The influence of low-temperature and cryogenic preservation, as well as of different freezing-thawing modes on seed viability in wild pear, apple, gooseberry, red and black currant species has been studied. Moisture is the important factor at long storage. Dynamics of apple seed germination has also been tested. Seeds of fruit and berry plants with 5–6 % moisture content have been shown to store at –18 deg С for several years without lossing of viability. Provided that moisture content is optimal in seeds of the studied crops, their viability is not influenced by cryopreservation either. The dynamics of germination and stratification requirements do not change in apple seeds under the influence of freezing down at ultralow temperatures. The obtained results show that storage at –18 deg С or in liquid nitrogen may be recommended for seeds of wild fruit and berry species
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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