Effect of biopreparates on the dry matter, starching and vitamin C in potato tubers
PIOTR PSZCZÓŁKOWSKI | BARBARA SAWICKA | HONORATA DANILČENKO
The research was aimed at assessing the impact of growing technology with microbiological application and herbal extracts on dry matter content, starch and yields, as well as vitamin C content in two potato cultivars, as compared to traditional fungicide-based and pest control technology, and to the variant without using bio-preparations and fungicides. The results of the study were based on the field experiment conducted in 2014–2016 at in Uhnin (51°34'N, 23°02'E), slightly acidic soil. The experiment was performed by means of randomized blocks method, in dependent split-plot pattern, in three replicates. The 1st order factor was the potato cultivars (‘Vineta’ and ‘Satina’), while the 2nd order factor was six crop technologies. Organic and mineral fertilization of potato was uniform. The applied cultivation techniques using microbiological preparations, herbal extracts and fungicide applications contributed to a significant increase in the dry matter content, vitamin C, while did not significant influence on dry matter yield. Reaction of cultivars towards the bio-preparations used has varied.
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