Agrotechnological passport of the potato variety Signal

UDC 635.21:631.526.32

Shabanov A.E., Kiselev A.I. en

The experiments were carried out in 2018–2020 at the experimental base Korenevo (Moscow region) in the conditions of sod-podzolic sandy loam soil of the Central region of the Non-Chernozem zone of Russia. The aim of the research is to study the reaction of a new medium-ripe potato variety from the selection of Russian Potato Research Centre on the timing, planting density and methods of applying mineral fertilizers according to a complex of economically valuable characteristics (morphological and biological features, consumer and table qualities of tubers, yield, quality indicators of tubers, disease resistance, shelf life). The choice of the studied agricultural practices is due to the need to accelerate the emergence of seedlings, the subsequent development of plants and the formation of a sufficiently significant level of tuber yield before the onset of adverse meteorological conditions (heat, drought), as well as to ensure uninterrupted nutrition of plants throughout the growing season, since on sandy loam soils during precipitation, nutrients are leached into layers inaccessible to the root system of plants. Tubers were planted in two terms: early (3rd decade of April at a soil temperature not lower than 5–7 °C) and basic (control) – 7–10 days after the first term. The planting was carried out against the background of fertilizers applied locally in three methods when cutting the ridges and subsequent row-to-row treatments with two tapes: 1. Basic N90P90K135 (control); 2. Fractional No1 (starting N60P60K90 + top dressing N30P30K45 7–10 days after germination); 3. Fractional No2 (starting N30P30K45 + top dressing N30P30K45 7–10 days after germination + top dressing N30P30K45 in the budding phase). Planting density: 44, 50 and 56 thousand tubers/ha according to the scheme 75×30; 75×27 and 75×24 cm. The most effective agro-complex of techniques was determined, including early planting (3rd decade of April at soil t not lower than 5 °C) with a density of 44 thousand tubers/ha against the background of fractional local fertilization (№1). In the conditions of sod-podzolic sandy loam soil of the Central region of the Non-Chernozem zone, the variety gives an increase in yield of 3.9 t/ha, or 10.3%. At the same time, the conditional income is 43.0 thousand rub/ha.

Key words: agrotechnological passport, yield, term, planting density, application acceptance, consumer and table qualities, conditional income

Shabanov A.E., Cand. Sci. (Agr.), head of the department of agro-ecological assessment of varieties and hybrids. E-mail: Kiselev A.I., Cand. Sci. (Agr.), senior research fellow of the department of agro-ecological assessment of varieties and hybrids. E-mail: Russian Potato Research Centre
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For citing: Shabanov A.E., Kiselev A.I. Agrotechnological passport of the potato variety Signal. Potato and vegetables. 2021. No4. Pp. 33-36. (In Russ.).


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