Variability in the biochemical composition of a variety population of edible squash in generations of selection

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Abstract

Our research revealed a stable one-way modification variation (weak) in “the content of sugars” in all variants of population F8, F9 (СV = 1.9–7.7%; 4.8–10.0%, uniformity – 98.1–92.3%; 95.2–90.0%, respectively). The content of carotene in F8 and F9 was most variable for the studied variants (CV = 20.0–60.0%; 14.7–30.0%, uniformity – 40.0–80.0; 70.0–85.3%, respectively). A moderate and significant variation in the content of vitamin C was characteristic of F8 (CV = 12.9–30.0, uniformity – 70.0–87.1%), a weak and moderate variation was observed in F9 (CV = 6.2–20.0%, uniformity – 80.0–93.8%). Variants F8, F9 had an ascorbic acid content of 14.2–21.7; 19.5–24.4 mg% accordingly, which exceeds the technological requirements imposed on varieties of edible squash for processing. Based on the evaluation of variation in the chemical parameters of fruit quality, by recurrent individual selection using the methods of halves, for the conservation of positive changes in variety population 945 and variants of necessary type, we selected seeds from the spare halves of variants F9 945-13, 945-27, 945-11, 945-12, 945-22, and 945-31 for further testing for economically important traits.

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About the authors

Natalia V. Bardina

Federal Scientific Center of Agrobiotechnology of the Far East named after A. K. Chaika

Author for correspondence.
Email: bardina1977@yandex.ru
ORCID iD: 0000-0001-6992-1666

Researcher

Russian Federation, Ussuriysk, Timiryazevsky stl.

Dmitry A. Pavlov

Far Eastern Federal University Federal Scientific Center of Agrobiotechnology of the Far East named after A. K. Chaika

Email: pavlov1609@yandex.ru
ORCID iD: 0009-0007-2383-3709

Master’s Student

Russian Federation, Ussuriysk, Timiryazevsky stl.

Irina V. Kim

Federal Scientific Center of Agrobiotechnology of the Far East named after A. K. Chaika

Email: kimira-80@mail.ru
ORCID iD: 0000-0002-0656-0645

Doctor of Sciences in Agriculture, Leading Researcher

Russian Federation, Ussuriysk, Timiryazevsky stl.

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