The aim of the study was to determine the effect of herbicides and herbicides used with biostimulants on the content of total and true protein in potato tubers. The three-year field experiment was carried out using the random two-way split-plot arrangement in three repetitions. The examined factors were: I—three cultivars of potato: Bartek, Gawin, Honorata; II—five method applications of herbicides and herbicides with biostimulants: 1. Control—mechanical weeding, 2. Harrier 295 ZC (linuron + clomazone), 3. Harrier 295 ZC + Kelpak SL (linuron + clomazone and extract from algae Ecklonia maxima), 4. Sencor 70 WG (metribuzin), 5. Sencor 70 WG + Asahi SL (metribuzin and sodium p-nitrophenolate, sodium o-nitrophenolate, sodium 5-nitroguolacolate). On the plots sprayed with herbicides and herbicides mixed with biostimulants, a significant increase in the content of total and true proteins and the share of true protein in total protein in relation to tubers harvested from the control object was found. Genetic features of cultivars determined the content of total and true protein in potato tubers. The highest total and true protein was accumulated by tubers of the Bartek cultivar, and the least by the Honorata cultivar.

Changes in dry weight and starch content in potato under the effect of herbicides and biostimulants | Krystyna Zarzecka, Marek Gugała, Iwona Mystkowska, Anna Sikorska | Agricultural Journals

IAPAN - Instytut Agrofizyki Polskiej Akademii Nauk

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The effect of foliar feeding with four biostimulants with active substances (Ecklonia maxima algae extract, titanium, humic substances, plant hormones: auxin and cytokinin) on the chlorophyll content and plant height of three Solanum tuberosum cultivars was investigated. A field experiment was...