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Wyświetlanie 1-2 z 2
Tytuł:
Allelopathic effect of organic mulches on vegetable germination and early development
Autorzy:
Judaugiene, D.
Sinkeviciene, A.
Pupaliene, R.
Ninkovic, V.
Kriauciuniene, Z.
Powiązania:
https://bibliotekanauki.pl/articles/11863082.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
allelopathy
allelopathic effect
vegetable
radish
Raphanus sativus
carrot
Daucus sativus
lettuce
Lactuca sativa
organic mulch
germination
seed germination
root length
shoot length
plant development
Opis:
Plants, as well as their residues (mulches), release physiologically active substances (allelochemicals), which may affect plant germination, development, and productivity. In this study we investigated the allelopathic effects of aqueous extracts of organic mulches (winter wheat straw, peat, sawdust, and gramineous grass) at different concentrations on germination and early growth of radish (Raphanus sativus L.), carrot (Daucus sativus Röhl.), and lettuce (Lactuca sativa L.). It was found, that the strongest negative effect on the germination and shoot and root development of investigated vegetables was with the highest concentration (1 : 10) of the grass aqueous extract. Peat mulch aqueous extracts had the least negative impact on all vegetable seed germination. Straw and peat mulches stimulated the early growth of R. sativus shoots, but there was a negative affect on D. sativus shoot development. The aqueous extracts of various organic mulches had negative effects on R. sativus, while mostly positive effects found on L. sativa root development.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 3; 73-82
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Foliar Nutrition with Sulphur and Boron, Amino Acids on Morphological Characteristics of Rosette and Wintering Winter Rape (Brassica napus L.)
Autorzy:
Sikorska, Anna
Gugała, Marek
Zarzecka, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/124189.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
Brassica napus
leaves
rosette
height elevation of shoot apex
diameter of root collar
pile root length
planting
Opis:
The field experiment was carried out in 2016-2019 at the Agricultural Experimental Station – Zawady belonging to the University of Natural Sciences and Humanities in Siedlce. The experiment was established in a random splitplot system in three repetitions. The surface of one plot was 21 m-2. The examined factors were: I – three varieties of winter rape: Monolit (population variety), PX115 (hybrid variety restored with a semi-dwarf growth type), PT248 (hybrid variety restored with a traditional growth type); II – four types of foliar feeding: 1. control object (without foliar feeding and biostimulator), 2. biostimulator Aminoplant, 3. Foliar fertilizer Siarkomag + foliar fertilizer Bormax, 4. Foliar fertilizer Siarkomag + foliar fertilizer Bormax + biostimulator Aminoplant. The aim of the study was to determine the effect of foliar nutrition on the number of leaves in the rosette, elevation height of the cone of growth, root collar diameter, length of pile root and wintering of three varieties of winter rape. Foliar nutrition with sulphur, boron combined with amino acids increased the number of rosette leaves (on average by 27.1%), root diameter (on average by 11.0%), pile root length (on average by 9.7%) and provided the best wintering of plants compared to the control variant. Irrespective of the foliar nutrition used, the elevation height of the growth cone was the same. The genetic factor did not affect the number of leaves in the rosette. The population morphotype and the long-stemmed hybrid had the same elevation height of the growth cone, while the population variety was distinguished by the greater diameter of the root neck, while the restored hybrid with the traditional type of growth with a longer pile root compared to the remaining varieties. Diverse climatic conditions prevailing during summer and autumn vegetation and winter dormancy in the years of research have influenced the cut of plants and wintering.
Źródło:
Journal of Ecological Engineering; 2019, 20, 6; 190-197
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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