Patterns of embryo-sac organization, synergid degeneration and cotyledon orientation in Linum usitatissimum L.

Planta ◽  
1990 ◽  
Vol 182 (1) ◽  
Author(s):  
ScottD. Russell ◽  
Lian-Ju Mao
Keyword(s):  
Linum Usitatissimum ◽  
Embryo Sac ◽  
Linum Usitatissimum L ◽  
Synergid Degeneration

Studies of haploid–diploid twins in flax (Linum usitatissimum)

1985 ◽  
Vol 27 (4) ◽  
pp. 371-379 ◽  
Author(s):  
Beatrice E. Murray
Keyword(s):  
Survival Rate ◽  
Linum Usitatissimum ◽  
Seed Set ◽  
Embryo Sac ◽  
Flower Color ◽  
Blue Flower ◽  
Linum Usitatissimum L ◽  
Chromosomal Pairing ◽  
Haploid Embryos ◽  
Double Cross

The present study was designed to investigate the origin of twin seedlings in flax (Linum usitatissimum L.). The twins were derived from crosses of high-twinning × nontwinning lines. The data presented were based on the following: (i) the morphology of twins in terms of variations in the position, orientation, and size of the twin embryos in the embryo sac and in the mature seed; (ii) the cytological interpretation of meiosis in the haploid and diploid member of F2 twins, and chromosomal pairing of the F3 diploid, triploid, and trisomic progeny obtained from crossing haploid × diploid F2 twins; and (iii) the genetic analysis of twinning frequencies, seed set by twins in single and double cross progenies, and the combinations of flower color phenotypes in F2 twins derived from blue flower × white flower crosses. The results, based on the survival rate of the haploid embryos, the cytological interpretation of meiosis, the fertility in the haploids, and in particular, the flower phenotype of twins in nine F2 families, support the hypothesis that the progenitors of the twin embryos are two-megaspore nuclei rather than one.Key words: flax twins.

Hepatoprotective activity and standardization of the bioactive lignan fraction of Linum usitatissimum L.

Planta Medica ◽  
2016 ◽  
Vol 81 (S 01) ◽  
pp. S1-S381
Author(s):  
H El-Askary ◽  
S El Zalabani ◽  
RS El-Din ◽  
MY Issa ◽  
RR Hegazy ◽  
...  
Keyword(s):  
Linum Usitatissimum ◽  
Hepatoprotective Activity ◽  
Linum Usitatissimum L

ОСОБЕННОСТИ СЕЛЕКЦИИ И ПЕРСПЕКТИВЫ ПРИМЕНЕНИЯ МОЛЕКУЛЯРНО-ГЕНЕТИЧЕСКИХ МЕТОДОВ В ГЕНЕТИКО- СЕЛЕКЦИОННЫХ ИССЛЕДОВАНИЯХ ЛЬНА (Linum usitatissimum L.) (обзор)

2016 ◽  
Vol 51 (5) ◽  
pp. 602-616 ◽  
Author(s):  
И.В. УЩАПОВСКИЙ И.В. УЩАПОВСКИЙ ◽  
◽  
В.А. ЛЕМЕШ В.А. ЛЕМЕШ ◽  
М.В. БОГДАНОВА М.В. БОГДАНОВА ◽  
Е.В. ГУЗЕНКО Е.В. ГУЗЕНКО ◽  
...  
Keyword(s):  
Linum Usitatissimum ◽  
Linum Usitatissimum L

Combining ability and heterosis studies across environments in linseed (Linum usitatissimum L.)

2011 ◽  
Vol 59 (1) ◽  
pp. 87-102 ◽  
Author(s):  
S. Sood ◽  
N. Kalia ◽  
S. Bhateria
Keyword(s):  
Seed Yield ◽  
Linum Usitatissimum ◽  
Combining Ability ◽  
Yield Components ◽  
Block Design ◽  
Linum Usitatissimum L ◽  
Randomized Block Design ◽  
Component Traits ◽  
Parental Lines ◽  
Fibre Yield

Combining ability and heterosis were calculated for fourteen lines of linseed in a line × tester mating design using twelve lines and two diverse testers in two different environments. The hybrids and parental lines were raised in a completely randomized block design with three replications to investigate seed and fibre yield and their component traits. Genetic variation was significant for most of the traits over environments. Combining ability studies revealed that the lines KL-221 and LCK-9826 were good general combiners for seed yield and most of its components, whereas LMH-62 and LC-2323 were good general combiners for yield components only. Moreover, KL-221 was also a good general combiner for fibre yield. Similarly, B-509 and Ariane were good general combiners for fibre yield and most of its components. Among the specific cross combinations, B-509 × Flak-1 was outstanding for seed yield per plant and B-509 × KL-187 and LC-2323 × LCK-9826 for fibre yield per plant, with high SCA effects. In general, the hybrids excelled their respective parents and the standard checks for most of the characters studied. Based on the comparison of mean performance, SCA effects and the extent of heterosis, the hybrids LC-2323 × LCK-9826 and B-509 × KL-221 appeared to be the most promising for both seed and fibre yield. Other promising combinations were LC-2323 × KL-210 and B-509 × Ariane for seed and fibre yield, respectively. The superiority of LC-2323, LCK-9826, KL-221, B-509 and Ariane as good general combiners was further confirmed by the involvement of these parents in the desirable cross combinations.

ORIGIN AND EVOLUTION OF LINUM USITATISSIMUM L.

2015 ◽  
Vol 176 (4) ◽  
pp. 436-455
Author(s):  
S. N. Kutuzova ◽  
◽  
E. A. Porokhovinova ◽  
G. I. Pendinen ◽  
◽  
...  
Keyword(s):  
Linum Usitatissimum ◽  
Origin And Evolution ◽  
Linum Usitatissimum L
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