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Certain physiological-biochemical changes in tops and tubers in relation to artificial acceleration of ageing of potatoes

Fiziologicheskie Mekhanizmy Adaptatsii i Ustoichivosti u Rastenii: t 2 95-103

Certain physiological-biochemical changes in tops and tubers in relation to artificial acceleration of ageing of potatoes

Accession: 015230268

Related references

Haskova, B.; Zrust, J., 1971: Effect of physiological ageing of tubers on the viability ond yields of potatoes. In a field trial during 3 years, seed tubers of 4 potato cv. given all combinations of harvesting at 3 dates from crops planted at 3 dates were stored at 2 degrees or 10 degrees C before planting. Although there were significant differences betwee...

Green, W.; Hadley, P., 1989: Effect of two contrasting crop covers and physiological ageing of seed tubers on the development and yield of early potatoes. Proceedings of the National Agricultural Plastics Congress: 1st) 228-234

Bykov, F. et al., 1976: Effect of pre-planting stimulation of seed tubers in an electric field on some physiological and biochemical processes and yield of potatoes. Treatment of seed tubers of potatoes in an electric field of 3 kw/cm for 30 s 1 day before planting accelerated emergence and increased number of tubers/plant, yields of early tubers from 11.72 to 12.58 t/ha and tuber contents of DM, sugars, starc...

Bobes I.; Ragab M.; Attia Z., 1989: Biochemical and physiological modifications of leaves and tubers of potatoes infected by erwinia carotovora var atroseptica and phytophthora infestans. Speciality literature refers to some biochemical and physiological modifications of diseased potatoes comparative to the health potatoes. In our experiences performed in laboratory, glasshouse and field, with specific methods, we have in view, at...

Berjak, P.; Villiers, T.A., 1972: Ageing in plant embryos. 3. Acceleration of senescence following artificial ageing treatment. When maize embryos were subjected to an artificial ageing treatment, an initial reversal of membrane damage in the 1st stages of germination was followed by precocious senescence in the zone of differentiation of the root cap at 48 h after germina...

Ram C.; Wiesner L.E., 1988: Effects of artificial ageing on physiological and biochemical parameters of seed quality in wheat. Twelve seed lots of two wheat (Triticum aestivum L.) cultivars namely 'Lew' and 'Newana" were created by artificial ageing at C temperature and .apprxeq. 100% relative humidity for 0 to 36 hours. All the seed lots we...

Guemaza, A.M., 1949: Plants grown from grafts between tubers of healthy potatoes and potatoes showing physiological degeneration.. The healthy half of the tuber had a beneficial effect upon the half showing symptoms of a form of rugose mosaic not due to a virus but physiological in origin. The tubers produced by the diseased half of the grafted tubers were healthier and more...

Mochalova, T.I., 1959: Frost resistance of potatoes in relation to their biochemical and physiological properties. Experiments were carried out in order to determine the reasons for frost resistance of tops in wild varieties of potatoes and trace the decrease in frost resistance in hybrids of the 1st and 2nd generation in the cultivated varieties. The followin...

Vavilov, P.P.; Postnikov, A.N.; Shlychkov, F.A., 1979: The selection of tubers in relation to density for the production of seed tubers of potatoes. In trials in 1977-8, seed tubers of diam. 35-45 mm (25-50 g) and 45-55 mm (50-80 g) of 2 potato cv. were divided into 3 groups in relation to density determined in NaCl sol: unselected, light (density of <1.08) and heavy (>1.08). Tuber yield...

Blecharczyk, A.; Skrzypczak, G., 1995: The effects of long-term organic and mineral fertilizer application on yields and chemical composition of tops and tubers of potatoes. In field trials started in 1957 at Brody, potatoes grown in a 7-course rotation were given (a) no fertilizer, (b) 30 t FYM/ha, (c) FYM + 90 kg N + 60 kg P2O5 + 120 kg K2O/ha, (d) NPK + 1 t CaO/ha or (e) NPK alone. Results obtained in 1986-92 are p...