Improvement of the main indicators of large-fruited pumpkin varieties – Banana population 42 in Primorsky Krai

UDC 635.62:631.527

Sakara N.A., Bardina N.V.

The results of the study of the breeding population of 945 F6, 16 families F7, large-fruited table pumpkin (cucurbita maxima), according to the variability of the signs «fruit shape», «biochemical composition» obtained from the variety-population Banana 42. The research was carried out in the western agro-climatic zone of Primorsky Krai in the potato and vegetable Growing Department of the A.K. Chaika Federal Research Center for Agrobiotechnologies of the Far East in the village of Putsilovka of the Ussuri district in 2017–2019. The soil is floodplain with a content of: N – 50.0 mg/kg of soil, P2O5–272.0 mg/ kg, K2O – 112.0 mg / kg, pHkcl – 4.5, humus – 2.08%. In the process of long-term selections started in 2011, the chemical parameters and uniformity in the shape of the fetus in the families of the breeding population 945 improved. In the breeding population 945–3 F7 of large-fruited pumpkin, there was a shift of the selected traits according to the fruit shape index, dry matter content, in the direction of weak variability (CV=5.0–10.0%, respectively); with a decrease in the variability of traits by 46.2; 20.0%, respectively; sugar content 9.0%, carotene 6.6 mg%, vitamin C 17.9 mg%.To further improve the breeding population of 945 by economically significant characteristics, taking into account the variety model, by the method of targeted selection, on the basis of «fruit shape» (CV=5.5–8.9%), with optimal technological indicators, with a high carbohydrate content (9.0–12.4%), vitamin C 15.4–20.4 mg%, a number of families F7–945–11, 945–12, 945–13. A family of 945–27 F7 with a sugar content of 9.2–14.0%; carotene 5.0 mg%, vitamin C 23.0 mg% was selected for the equalization of the feature «sugar content» (CV=9.5%) of «dry matter», «carotene» and «vitamin C» (CV=10.0%).

Key words: pumpkin large-fruited canteen, breeding population, families, breeding, selection method, trait variance, analysis of fruit chemical composition

Sakara N.A., Cand. Sci. (Agr.), deputy director for scientific work, Primorsky vegetable experimental station – branch of the FSBSI FSVC. Tel.: 8–924–139–93–68. E-mail:

Bardina N.V., research fellow, FSBSI FSC of Agricultural Biotechnology of the Far East named after A.K. Chaiki. Tel.: 8–914–690–39–04. E-mail:

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For citing: Sakara N.A., Bardina N.V. Improvement of the main indicators of large-fruited pumpkin varieties – Banana population 42 in Primorsky Krai. Potato and vegetables. 2022. No8. Pp. 29–31. (In Russ.).

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