Inheritance of different undertones of onion (Allium cepa L.) dry skin color and the relationship between color and adherence

The research was carried out in 1977 and 1978. The inheritance of undertones, dry skin color from light straw to brown was controlled by two additive genes. The segregation ratio obtained was 15:1 and 11:5. The dry skin of a dark color (dark yellow, bronze, brown ochre, orange-brown) was stronger than the skin with a straw yellow or yellow color. Skin adherence was strictly related to its color. This was proved by statistical analysis of the correlation.

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Bulb Development in Onion (Allium cepa L.) III. Effects of the Size of Adjacent Plants, Shading by Neutral and Leaf Filters, Irrigation and Nitrogen Regime and the Relationship between the Red: Far-red Spectral Ratio in the Canopy and Leaf Area Index

Annals of Botany ◽

10.1093/oxfordjournals.aob.a087199 ◽

1986 ◽

Vol 58 (2) ◽

pp. 207-219 ◽

Cited By ~ 6

Author(s):

M. F. MONDAL ◽

J. L. BREWSTER ◽

G. E. L. MORRIS ◽

HEATHER A. BUTLER

Keyword(s):

Leaf Area Index ◽

Leaf Area ◽

Allium Cepa ◽

Spectral Ratio ◽

Area Index ◽

Allium Cepa L ◽

The Relationship

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The Relationship Between Lateral-Root Distribution and Endodermis and Pericycle Cell Length in Allium cepa L. Adventitious Roots

Annals of Botany ◽

10.1093/oxfordjournals.aob.a087002 ◽

1985 ◽

Vol 56 (2) ◽

pp. 189-195 ◽

Cited By ~ 3

Author(s):

P. G. LLORET ◽

M. R. VIDAL ◽

P. J. CASERO ◽

J. NAVASCUES

Keyword(s):

Allium Cepa ◽

Root Distribution ◽

Lateral Root ◽

Adventitious Roots ◽

Cell Length ◽

Pericycle Cell ◽

Allium Cepa L ◽

The Relationship

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Thrips (Thysanoptera) associated with onion (Allium cepa L.) and Welsh onion (Allium fistulosum L.)

Folia Horticulturae ◽

10.2478/fhort-2020-0028 ◽

2020 ◽

Vol 0 (0) ◽

Author(s):

Marta Olczyk ◽

Maria Pobożniak

Keyword(s):

Allium Cepa ◽

Growing Season ◽

Thrips Tabaci ◽

Allium Fistulosum ◽

Onion Thrips ◽

Welsh Onion ◽

Allium Cepa L ◽

Onion Cultivar ◽

The Relationship ◽

Thrips Population

AbstractWe determined the abundance, species composition, sex ratio and seasonal dynamics of thrips on one cultivar of Welsh onion (Allium fistulosum) and eight cultivars of onion (Allium cepa) in South Poland within three vegetation seasons (2014–2016). Nine species of Thysanoptera were identified on A. cepa and A. fistulosum. Irrespective of the onion cultivar, Thrips tabaci was the dominant species (64.4% of all collected thrips specimens), while Frankliniella intonsa also occurred in high numbers (28.3%). Conversely, Welsh onion was most often inhabited by F. intonsa (62.7%), although T. tabaci was also numerous (28.3%). The predatory Aeolothrips intermedius accounted for 4.5% on A. cepa and 2.9% on A. fistulosum. In the most numerous species, T. tabaci, F. intonsa and A. intermedius populations were formed mainly by females. The cultivar most colonised by thrips was Kroll of A. fistulosum. The tested cultivars of A. cepa demonstrated varying degrees of attractiveness to thrips in the subsequent years. The relationship between populations of T. tabaci, F. intonsa and A. intermedius changed in the subsequent months of the growing season. In June, mainly T. tabaci and F. intonsa occurred on onion plants, while from July, the percentage shares of F. intonsa and the predatory A. intermedius in the thrips population on many onion cultivars increased. The level of attractiveness of A. cepa related to onion thrips, which is reported as a main pest of onion, varies depending on the year and cultivar.

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The suitability of the lead precipitation method for the localization of active ATPases in the meristematic cells of Allium cepa L. roots

Acta Societatis Botanicorum Poloniae ◽

10.5586/asbp.1987.020 ◽

2014 ◽

Vol 56 (2) ◽

pp. 191-200 ◽

Cited By ~ 3

Author(s):

Maria Podbielkowska ◽

Maria Walęza

Keyword(s):

Allium Cepa ◽

Plasma Membranes ◽

Precipitation Method ◽

Mitochondrial Membranes ◽

Transport Atpase ◽

Meristematic Cells ◽

Allium Cepa L ◽

Pb Ions ◽

Root Apices ◽

The Relationship

Demonstrated in this study is the suitability of the lead precipitation method for the localization of active ATPases bound with the mitochondrial membranes, ER and plasma membranes of meristematic cells of Allium cepa L. root apices. It was found that the presence of glutaraldehyde in the fixative has a significant influence on the fixation of ATPases and that a somewhat smaller influence is exhibited by formaldehyde. Also shown in this study is the relationship between the course of the reaction indicating the presence of active ATPases and the precipitating activity of Pb ions as well as the stimulatory effect of Ca2, Mg2 and K on the transport ATPase bound with the plasma and ER membranes.

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Identification of Allium cepa L. cultivars by means of statistical analysis of C-banded chromosomes

Euphytica ◽

10.1007/bf00039868 ◽

1988 ◽

Vol 39 (2) ◽

pp. 153-160 ◽

Cited By ~ 5

Author(s):

M. de Putter ◽

J. G. Van de Vooren

Keyword(s):

Statistical Analysis ◽

Allium Cepa ◽

Allium Cepa L

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Antiplatelet Activity is Positively Correlated with Pungency and Solids in Onion (Allium cepa L.)

HortScience ◽

10.21273/hortsci.30.4.769a ◽

1995 ◽

Vol 30 (4) ◽

pp. 769A-769

Author(s):

M. Kopelberg ◽

I.L. Goldman ◽

J.E.P. Debaene ◽

B.S. Schwartz

Keyword(s):

Allium Cepa ◽

Matter Content ◽

Organosulfur Compounds ◽

Dry Matter Content ◽

Antiplatelet Activity ◽

Medicinal Value ◽

Allium Cepa L ◽

Onion Cultivar ◽

Positive Correlations ◽

The Relationship

Onion (Allium cepa L.) and other vegetable Alliums have long been recognized for the antiplatelet properties. Consumers may benefit from the medicinal value of onions because they are commonly eaten raw in salads and the antiplatelet factor is destroyed by heat. Recent work indicates antiplatelet activity in Allium sp. may be due to the presence of native organosulfur compounds. The concentration of organosulfur compounds correlates positively with pungency, varies with onion cultivar, and is influenced by environmental factors. Bulb dry matter content, or solids, is positively correlated with pungency. Because antiplatelet activity may also be based on the activity of organosulfur compounds, it is possible these three factors are significantly correlated. The objective of this investigation was to examine the relationship among pungency, solids, and antiplatelet activity in four diverse onion genotypes. Replicated trials consisting of two mild and two pungent genotypes were conducted at four locations in 1994. Onion bulbs were harvested and analyzed for all three traits. Results from this investigation indicate significant positive correlations between antiplatelet activity, pungency, and solids in onion.

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