The Role of Cultivar in Import Substitution (On Example of Vegetable Crops)

Burenin, V. I.; Artemyeva, A. M.

doi:10.18619/2072-9146-2018-2-10-14

Cited by 3 publications

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“…Возможности селекции могут быть реализованы лишь при хорошо организованной системе семеноводства, обеспечивающей сохранение хозяйственно ценных признаков сорта. На передний план выдвигается проблема экологической приуроченности семеноводства, то есть выращивания семенного материала в наиболее благоприятных зонах (условиях) [3]. В России нужно создать зоны мирового товарного семеноводства тех культур, для которых у нас есть прекрасные почвенно-климатические условия: Астраханская областьдля томата, Дагестан -для капусты, Волгоградская область -для бахчевых культур и т.д.…”

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Effects of Nutrition Area on the Fruit Index in the Primary Seed Production of Watermelon

et al. 2018

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The basis for increasing the production of vegetables and melons is to obtain high-quality seeds of high reproductions. This will ensure the implementation and stability of breeding characteristics of varieties, the preservation of economic and valuable features. To solve these tasks, it is necessary to transfer the industry to a new, more modern level of seed production. The studies were conducted using the methods of individual and individual-family selection with evaluation by offspring, using the method of "halves" through control and elite nurseries. The method of production of elite and original seeds is developed. Conducted research to improve schemes of sowing of gourds with the study of the influence of space power to approbation the signs of varieties with different index of fruits. By reduction of the nutrition area per plant to 2.1 sq m2 in the variety of watermelon Icarus the yield of seeds increased 1.5-1.9 times in comparison with the standard number of fruits with an index of <1.0 was 8.2%. The thickening of the crop did not have a noticeable effect on the shape of the fruit. A watermelon with a broadly elliptical shape of the fruit, variety Volzhanin observed dependence of the shape of the fruit from planting schemes. With the reduction of the nutrition area up to 2.1 m2 number of fetuses with index >1.5 28.2% in the second generation, the seed yield was 111.9 kg/ha. The change in the index of the foetus has led to a significant change in varietal characteristics, which is unacceptable in the primary seed production. Reducing the area of nutrition in watermelon varieties with spherical and rounded shape allowed to increase the yield of seeds without affecting the varietal characteristics.

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Effects of Nutrition Area on the Fruit Index in the Primary Seed Production of Watermelon

et al. 2018

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Preliminary results on tomato breeding (Lycopersicon) in the Republic of Dagestan

Велижанов¹

2021

Agrarian Bulletin of The

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Abstract. The aim of the work is to separate from hybrid generations (F3-F4) the promising material of high-temperature stress resistance. Scientific novelty. Testing the growth of the germ root at 35, 38 and especially 43 °C is an effective method of differentiating tomato genotypes and identifying their resistance to heat. As a result of our studies of inter-grade and remote hybridization, tomato lines have been obtained, combining heat-resistantness with high productivity and valuable biochemical indicators of fruit quality. Methods. The material for research served 11 promising varieties and lines of tomato. Dedicated genetic sources of heat resistance were included in inter-grade crossings. The selection of genotypes for heat-resistantness in the field was carried out taking into account the complex of morphological and agrochemical features (type and strength of plant growth, bush foliage, phenology, shape and size of the fruit, general productivity of commodity fruits, the mass of the fetus). Results. It has been established that in varieties and lines of tomato, created as a result of inter-grade and interspecies interbreeding, heat-resistant sporophyte varied to large limits depending on the genotype and temperature level. The fruit's product ranged depending on the genotype and the year of cultivation (71.8–98.3 %). All forms turned out to be large-fruited – the weight of the fruit was from 87.8–124.6 g. L132, L204, L112 lines stood out as early forms. The dry matter content of all the genotypes studied is high, as it is above 5.0 %, except for the lines L122, L211 dry matter content of which was 4.74 and 4.58 %, respectively. Vitamin C was highest in L143 (63.32), L141 (62.65), L112 (63.38).

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Test results of new semi-lamb tomato varieties in the conditions of the Terek-Sulak lowland of the Republic of Dagestan

Ахмедова¹

2023

Agrarian Bulletin of The

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Abstract. The purpose of the research is to study the collection and breeding material of tomatoes with a determinant bush type in open ground conditions, and to identify the best samples based on the results of the research on economically valuable traits for their further use in tomato breeding. Scientific novelty. Recent events in the country show the need to study and recommend domestic tomato varieties and hybrids in safe and risky farming zones. The article presents a brief description of new domestic tomato varieties with a short growing season. Samples of morphological and biometric indicators for the source material of tomato breeding were selected. Varieties with short interphase periods “shoots –flowering”, “flowering – ripening” were identified. On the basis of a comprehensive assessment of early maturity, economically valuable characteristics and tasting evaluation of fruits, promising varieties were noted for recommendation and implementation in the production of the lowland and foothill parts of Dagestan. Methods. Field and laboratory. The method for the study was 8 new semi-stamp cultivars of VNIISSOK selection. Descriptions of tomato plants were carried out taking into account morphological (stem height, number of shoots, number of leaves, number of brushes, number of ovaries and fruits), agrochemical and complex of economically valuable characteristics (total and early yield, marketability of fruits, fruit weight, dry matter, sugar, fruit tasting evaluation). Results. According to the maturation dates, the samples were divided into three groups: very early – Severyanka, Blagodatnyy, Magnat, Voskhod VNIISSOKa (97–100 days); early – Patris, Viking, Perst (102–105 days); middle-early – Sodruzhestvo, Fakel (111–114 days). According to the type of bush, we have identified 5 ordinary and semi-lamb samples with a height of no more than 78 cm. Two samples had a height of 50.53 cm (Patris, Perst) and an average fetal weight of 72 and 60 g. Three samples had a height of 70, 71, 72 cm (Voskhod VNIISSOKa, Blagodatnyy, Sodruzhestvo) and an average fetal weight of 107, 110, 130 g respectively. According to the output of gross output, the best indicators were of the following varieties: Blagodatnyy – 86.3 t/ha, Voskhod VNIISSOKa – 82.7 t/ha, Sodruzhestvo – 77.6 t/ha, Patris – 68.2 t/ha. The following grades had a high yield of marketable products: Voskhod VNIISSOKa, Patris – 92 %, Blagodatnyy – 91 %, Perst – 90 %.

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The Role of Cultivar in Import Substitution (On Example of Vegetable Crops)

Cited by 3 publications

References 0 publications

Effects of Nutrition Area on the Fruit Index in the Primary Seed Production of Watermelon

Effects of Nutrition Area on the Fruit Index in the Primary Seed Production of Watermelon

Preliminary results on tomato breeding (Lycopersicon) in the Republic of Dagestan

Test results of new semi-lamb tomato varieties in the conditions of the Terek-Sulak lowland of the Republic of Dagestan

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