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Wyszukujesz frazę "Beta vulgaris L." wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Improvement of red beet monogerm clusters germination using rubbing and water treatments
Autorzy:
Jagosz, B.
Powiązania:
https://bibliotekanauki.pl/articles/101616.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
Beta vulgaris L.
breeding line
leaching
rubbing
soaking
Opis:
The aim of the research was to improve the germination parameters of red beet monogerm clusters using pre-sowing treatments. Red beet (Beta vulgaris L.) clusters of two monogerm breeding lines, AR79A and W411A, differed in the initial germination capacity, were studied. Five seed treatments including rubbing, leaching for 4, 8 and 24 hours, and soaking for 24 hours, were performed. Based on the germination test carried out at 15 and 20ºC, the germination traits, such as the mean germination time (MGT), coefficient of uniformity of germination (CUG), coefficient of velocity (COV), germination capacity (GC) and germination rate (GR), were measured. Compared to the control, treatments used in the study improved the most of measured germination features for both tested lines. The leaching of clusters for 24 hours yielded the best enhancement in most of the germination traits. The rubbing was the least effective technique in terms of improvement in the germination parameters. The germination of treated clusters at 15 and 20°C presented comparable, and better than the control, values of germination features. The interaction between treatment method and germination temperature showed that leaching of clusters for 24 hours and germination at 20°C was the technique that successfully influenced the majority of the germination characteristics. Finally, it was noted that each pre-sowing technique significantly improve germination parameters, however the line AR79A with lower initial GC (65%) presented better improvement of MGT, CUG and GC than the line W411A with higher initial GC (84%).
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/1; 599-609
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of planting density of monogerm and multigerm red beet stecklings on the seed stalks characteristics
Autorzy:
Jagosz, B.
Powiązania:
https://bibliotekanauki.pl/articles/101143.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
Beta vulgaris L.
clusters
germination
seed production
breeding
seed yield
Opis:
The aim of this research was to study the effect of stecklings planting density on the seed stalk architecture, cluster yield and seed quality of 20 mono - and multigerm breeding lines and cultivars of red beet. The study included the new monogerm lines - AR79 A and AR79 B - breed in the Unit of Genetics Plant Breeding and Seed Science at the University of Agriculture in Kraków. The experiment was conducted in the years 2010 and 2011, in the open field conditions. Two planting densities of stecklings: 50×25 and 50×40 cm, were applied. Standard crop management practices, as recommended for red beet seed production under Polish conditions, were followed. The increase in plants interspacing from 50×25 to 50×40 cm led to the lower height, but twice higher number of shoots per plant, lower number of single, but higher number of bush and bush with main stem seed stalks, twice higher yield per plant as well higher thousand-seed weight and germination capacity. A large variation between genotypes in the features of seed-bearing plants, such as morphological structure, clusters yield and seed quality, were noted. Compared to other genotypes, the new monogerm breeding lines AR79 A and AR79 B formed very high, mostly bush or bush with main stem seed plants developing one of the largest numbers of unluckily, late-ripening shoots, yielded on the average level and producing the seeds of relatively low quality. The research has expanded the knowledge about the generative development of red beet. The results will facilitate Polish breeding programs aimed at the selection of monogerm red beet lines.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2018, III/1; 659-671
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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