scholarly journals EFFICIENCY APPLICATIONS OF DOMESTIC PUMPKIN ROOTSTOCKS FOR GRAFTING CUCUMBER IN PROTECTED GROUND

REPORTS ◽  
2021 ◽  
Vol 2 (336) ◽  
pp. 119-126
Author(s):  
A. Zh. Shoibekova ◽  
S. K. Dzhantassov ◽  
A. O. Nussupova

When growing herbaceous vegetable crops in the world practice, great importance is given to the use of grafting method. The development of environmentally safe methods to increase the yield and resistance of plants to adverse growing conditions is very relevant in vegetable production. One such method in pumpkin crops is grafting. The aim of our work was to study the effect of domestic pumpkin rootstock on growth, development and yield characteristics of cucumber hybrid using grafting method. Grafting on pumpkin species improved the growth and development of plants depending on the rootstock, compared with rootstock plants. The aim of our research was to study the influence of domestic pumpkin rootstock on the growth, development and yield characteristics of the cucumber hybrid (scion). As a scion, the variety (Asylum), recommended for cultivation in protected ground conditions, was used, which was grafted on five domestic rootstocks: 1 (Mozoleevskaya 10), 2 (Karina), 3 (Aphrodite), 4 (Mindalnaya) and Russian selection 5 (Stofuntovaya) pumpkins from vegetable and melon crops. According to the generally accepted method, the graft was grafted (cucumber Asylum) on the rootstocks of pumpkin. Using a sample of pumpkin 1 (Mozoleevskaya 10), flowering began on the fifth day earlier in comparison with non-grafted plants, and when grafting on a sample of pumpkin 4 (Aphrodite), the fruit ripened earlier by six days. To get the greatest increase in early productivity by 30%, it is possible to use both rootstocks. A significant increase in total yield was provided by samples of rootstocks 2 (Karina) – 3.9 kg/m2 and 3 (Stofuntovaya) - 8.0 kg/m2. The grafted cucumber plants with all the rootstocks used were superior to the root ones in height, in terms of the percentage of marketability of fruits and in terms of fruit weight. At the beginning of fruiting on grafted cucumber plants, the number of female flowers increased depending on the sample. In all grafted plants, the dry matter content in the fruit increased significantly. Because of our research, rootstocks 2 (Karina) and 3 (Stofuntovaya) were noted, which are recommended for use in further research breeding work and the production of grafted plants.

2018 ◽  
pp. 5-8 ◽  
Author(s):  
A. V. Soldatenko ◽  
O. N. Pishnaya

The vegetable production is one of the main factors for food security, as vegetables play an important role in the structure of nutrition. The Federal Scientific Vegetable Center creates competitive varieties and hybrids of vegetable crops that meet market requirements to meet the needs of domestic producers and thereby contributes to food security. As a result of national breeding program, the varieties and hybrids adapted to different growing conditions, with resistance to local races of pathogens, temperature stresses, and ground frosts were developed to provide the sustainable production of vegetables with high nutritional and medicinal qualities. The varieties and hybrids F1 of white head cabbage that have been created for the last 5 years are distinguished from foreign ones by taste qualities, appropriate pickling characteristics with increased sugar, and decreased cellulose contents. The local onion varieties combine long shelf life, early maturing, well bulb formation, high dry matter content (18-20%) and ability to form the bulb for one year. Breeders have developed bee-pollinated and parthenocarpic hybrids of cucumber well adapted to local growing conditions and suitable for open field cultivation in different regions of Russia. Parthenocarpic heterotic hybrids of the multi-propose use, corresponding to the modern variety model with high productivity, early-ripening, bunch ovary disposition, resistance to abiotic stresses, and most harmful diseases. The carrot and red beet varieties with high nutritional qualities, long shelf-life, ecological plasticity that are widely used for seed production have been created. The varieties of Solanaceae crops have been developed to cultivate in Non Chernozem zone, Far East, Western Siberia, the Middle Belt of Russia and the south of Russia, are also suitable for different greenhouse complexes located in different light zones of the Russia. Wide application of varieties produced through national vegetable breeding programs can provide the population with our own products of high quality.


2008 ◽  
Vol 35 (No. 2) ◽  
pp. 83-89 ◽  
Author(s):  
G. Tzortzakis N ◽  
D. Economakis C

The performance and suitability of different substrates for the soilless culture of tomato plants (<I>Lycopersicum esculentum</I> Mill., cv. Belladona) were studied over a 5-month period in a closed soilless culture system employing five different substrates (perlite, pumice or maize and their mixtures with 50% shredded maize stems in an unheated glasshouse). Plants grown in a maize stem-containing medium produced earlier fruits, followed by pumice. Plants grown in pumice and perlite substrates obtained lower total yield; a higher yield was associated with the addition of maize shredded stems. Pumice + 50% maize and 100% maize produced higher total number of fruits per plant. Fruit quality parameters such as mean fruit weight, fruit firmness, total soluble solids, titratable acidity, ascorbic acid and carotenoids were influenced by the treatment, while EC, pH and dry matter content were not. The results suggest that the addition of maize in perlite and pumice could improve inorganic substrates properties for tomato soilless culture, leading to higher yields and better fruit quality.


2012 ◽  
Vol 30 (2) ◽  
pp. 226-233 ◽  
Author(s):  
Rosana Rodrigues ◽  
Leandro SA Gonçalves ◽  
Cintia dos S Bento ◽  
Claudia P Sudré ◽  
Renata R Robaina ◽  
...  

The Capsicum breeding has been developed with emphasis in bell pepper (Capsicum annuum) and few studies are available in other species, especially C. baccatum, which has potential use not only as disease resistance source but also in obtaining new genotypes suitable for farmers' production. In the present work, the combining ability of ten C. baccatum hybrids, along with their five parentals, were tested considering 12 agronomic traits. The hybrids were produced from a complete diallel without reciprocals and assessed in greenhouse conditions, in Campos dos Goytacazes, Rio de Janeiro state, Brazil, during the period July to December 2009. The experimental design was a randomized block with three replications and the following agronomic traits evaluated: canopy diameter (CD), plant height (PH), days to fructification (DF), number of fruits per plant (NFP), mean fruit weight (FW), dry fruit matter weight (FDM), dry matter content (DM), fruit length (FL), fruit diameter (FD), pulp thickness (PT), total soluble solids (TSS) and yield per plant (PP). Significant differences were observed only for general combining ability (GCA) in regard to PH, FW, FDM, DM, PT and TSS, indicating that additive effects were involved on the control of these characters. For CD, DF, NFP, FL, FD and PP, there was significance not only for GCA but also for specific combining ability (SCA) indicating that non-additive and additive effects were important in genetic control of these traits. The hybrids UENF 1629 X UENF 1732, UENF 1616 X UENF 1732 and UENF 1624 X UENF 1639 were considered superior because they have favorable agronomic traits.


Agronomy ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1420
Author(s):  
Ingrid Bender ◽  
Liina Edesi ◽  
Inga Hiiesalu ◽  
Anne Ingver ◽  
Tanel Kaart ◽  
...  

Organic production is one of the fastest growing food sectors globally. However, average yield in organic vegetable production is up to 33% lower than in conventional production. This difference could be due to higher fertilization rates in conventional, compared to organic, farming. We aimed to compare yield and quality characteristics of carrots produced under equal nitrogen fertilization rates over four years in organic and conventional conditions. We found a 14.5% higher marketable, and 10.0% lower discarded, yield in the organic compared to the average conventional treatments. In addition, carrots managed organically had 14.1% lower nitrate and 10.0% higher vitamin C content than carrots managed conventionally. There were no convincing effects of cultivation system on the nitrogen, total sugar, or dry matter content of carrots. Organically managed carrots were free of pesticide residues, while several residues were found in carrots managed conventionally. Our study reveals that organic management of carrots may exceed that of conventional methods in yield and several quality characteristics, while being free of pesticide residues. Organic fertilizer gave an advantage over mineral fertilizer, when equal rates of nitrogen were used in both production systems.


1968 ◽  
Vol 70 (3) ◽  
pp. 369-373 ◽  
Author(s):  
R. W. Lang ◽  
J. C. Holmes

SUMMARYThe effects of changing plant density and nutrient supply on the yield of swedes were measured in nine experiments over 3 years. With small populations, a large nutrient supply was required to reach the maximal yield of roots, but with large plant populations the same nutrient rate depressed yield. This interaction is illustrated by a response surface, and reasons for it are discussed. The interaction is of limited importance in practice because it was small over the range of population and nutrient supply commonly used. Even with small populations, the compensation achieved by applying more fertilizer was uneconomic. On crops with large populations, such as swedes for human consumption, however, the normal recommended rate of fertilizer should not be exceeded because of loss of yield as well as increased cost. More fertilizer and greater plant density were needed to give maximal total yield (roots + tops) than of roots alone. Effects of nutrient supply and plant population on plant establishment and dry-matter content of the swedes are discussed.


1976 ◽  
Vol 87 (2) ◽  
pp. 443-446 ◽  
Author(s):  
O. A. Denton ◽  
W. J. Whittington

SummaryThe mean total yield and mean fresh weight of seven swede varieties and their F1 hybrids was increased primarily by nitrogen and also by phosphorus fertilizer. There was no evidence of genotype × environment interaction for characters concerned with yield except for dry-matter content where two varieties, Best-of-All and Reform, were less stable to fertility environments than the others. Heterosis was common amongst F1 hybrids and this suggests their use in swede improvement: the inheritance pattern of root weight showed overdominance, shoot weight showed partial dominance and drymatter content showed additivity, with no evidence of gene interaction. Segregation for root fresh weight and dry-matter content occurred in F2 populations and although an overall negative correlation was found there was evidence that progeny from certain crosses gave reasonable prospects of combining both characters.


Author(s):  
P. Kumah ◽  
P. K. Tandoh ◽  
K. S. Konadu

Banana is a climacteric fruit with a short shelf life. As a result, huge losses are incurred during handling in the value chain. The need to develop means of extending the shelf life and concomitantly maintaining the quality of the fruit after harvest has become very important. This study was conducted to determine the effects of two different edible waxing materials (beeswax and cassava starch) used as coatings on the quality and shelf life of Mysore banana. The study was conducted in the laboratory at the Department of Horticulture, Kwame Nkrumah University of Science and Technology–Kumasi. The experiment was laid out in a simple completely randomized design (CRD) and replicated three (3) times with three treatments (beeswax, cassava starch and a control). Parameters studied were: fruit weight loss, firmness, peel colour, pulp-to-peel ratio, moisture content (MC), dry matter content (DMC), total titratable acidity (TTA), total soluble solids (TSS), pH, green life and shelf life. The results showed beeswax and cassava starch had no significant effect (P>0.01) on peel colour, fruit firmness, TTA, TSS, DMC, MC and green life. Beeswax, however, kept weight loss minimal, and reduced TSS and the pulp-to-peel ratio of the fruits during storage. We conclude that beeswax was the best treatment in terms of waxing Mysore banana fruits to maintained its quality and ultimately prolonged its shelf life by about four (4) days more than the control.


Author(s):  
V. V. Yatsenko ◽  
K. M. Shevchuk ◽  
A. I. Boiko ◽  
O. Yu. Polovynchuk

Purpose. To study biological features of biological potential realization of softneck garlic productivity. Methods. Field, laboratory, statistical and calculation-analytical. Results. The results of studying local and introduced forms of softneck garlic cultivars (samples No. 1, 14, 16, 19, 24, 27) in comparison with varieties (‘Prometei’ (standard) and ‘Liubasha’) in terms of productivity are presented. In the research, field, laboratory and statistical methods were used. The experimental design was a systemic complete block design without replicates. It was found that all, without exception, softneck garlic cultivars have an erectoid type of leaf placement. Introduced cultivars featured low seedstalk formation, which is a manifestation of adaptation to growing conditions. All studied cultivars were characterized by lower values of the number of air bulbils in the inflorescence compared to the standard cultivar ‘Prometei’. Thus, ‘Liubasha’ formed 16.1% fewer bulbils than the standard; however, its 1000-bulbil weight was 37.2% larger than in ‘Prometei’. The softneck cultivars that formed bulbils on the reduced seedstalk were characterized by a very small number of bulbils − by 89.7–90.8% less than in the standard – however, the formed bulbils had very large 1000-bulbil weight. Thus, sample No. 1 formed bulbils by 542.0% larger in terms of the 1000-bulbil weight than standard; sample No. 16 by 554.3%; sample No. 27 by 752.9%. Samples No. 14, 19 and 24 did not formed seedstalks. In terms of the bulbil yield, the samples that formed bulbils had by 11.7–40.1% lower indicators than the standard. Cultivar ‘Liubasha’ was characterized by a 19.0% higher bulbil yield. The vast majority of collection samples of winter garlic formed smaller bulbs. Sample No. 16 had a large bulb wight compared to the standard. Collection samples had significantly lower yield except for No. 16, which exceeded the standard by 30.2 and 56.8%. Conclusions. Collection samples have a significantly higher dry matter content. The promising samples (No. 14, 16, 19, 24) were selected by a number of characteristics as promising for further breding of softneck table garlic cultivars. In further research, the content of secondary metabolites and the storage of the samples in uncontrolled conditions will be studied in order to create table garlic cultivars suitable for long-term storage.


2017 ◽  
Vol 9 (1) ◽  
pp. 262-273
Author(s):  
Syed Berjes Zehra ◽  
Shabir Hussain Khan ◽  
Asif Ahmad ◽  
Baseerat Afroza ◽  
K. Parveen ◽  
...  

Genetic variability, heritability and genetic advance for different quantitative and qualitative characters were studied in 64 genotypes of chilli. The study indicated the existence of considerable amount of genetic variability for all the traits under study. Analysis of variance revealed significant differences among genotypes for almost all the traits studied. The maximum range was recorded for fruit yield per plant (150-900 g) followed by vitamin-C content at red ripe stage (35.50 -207.17 mg/100g), vitamin-C content at green stage (24.93-195.83 mg/100g), capsanthin content (39.58-180.35ASTA units, number of fruits per plant (21.32-100.27) and plant height (50.20-105.00cm). The highest phenotypic and genotypic coefficients of variability were observed for average fruit weight followed by seed yield per plant, average seed weight per fruit, number of fruits per plant, fruit yield per plant and fruit diameter. In general the phenotypic coefficients of variation (PCV) were slight higher than genotypic coefficients of variation GCV), which indicates the minor role of environment in the expression of traits under observation. The estimates of heritability in broad sense was high for all the characters. The present investigation indicates a great scope of in the improvement of these traits as these characters in general possessed high estimates of heritability coupled with high genetic advancement except for days to first fruit set, days to first green fruit harvest, days to first ripe fruit harvest and dry matter content (high heritability but moderate genetic gain) indicating the preponderance of additive gene action for control of these traits.


Author(s):  
S. Nanthakumar ◽  
K. Krithika ◽  
M. Prabhu

An investigation was carried out to assess the effect of planting materials on physiological parameters, cassava mosaic incidence and yield of Cassava varieties viz. H-226 and CO.2 at the Department of Vegetable crops, Horticultural College and Research Institute, TNAU, Coimbatore during September 2010 to June 2011. The experiments were laid out in Factorial Randomized Block Design with four treatments and three replications in two varieties. The results revealed that the tissue culture plants were found be the best in virtue of its high leaf area index, net assimilation rate, dry matter content, tuber yield (26.33 t ha-1) and least incidence of cassava mosaic virus. Among the varieties, CO.2 showed less incidence of CMD. The tissue cultured plants may be recommended to farmers to reduce mosaic disease incidence and get maximum yield in cassava.


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