Cultivars suitable for organic production systems differ in many aspects from those adapted to a conventional one. The present study aimed evaluate 23 white lupine genotypes range of traits: stability, biomass productivity and related parameters, tolerance Fusarium oxysporum, nutritional forage value. goal was identify conditions Central Northern Bulgaria. Among the genotypes, Solnechnii, Termis Mestnii, Tel Keram exhibited highest dry mass productivity, surpassing 14 t/ha. Solnechnii...

Pea (Pisum sativum L.) has a compound leaf like many other legume species.The 'semi-leafless' pea (afaf TLTL), with all leaflets transformed into tendrils, is considered one of the most important achievements in breeding, due to significantly enhanced standing ability and equally efficient dry matter production comparison normal-leafed genotypes (AFAF TLTL).'Semi-leafless' cultivars provide high stable grain yield are dominant modern worldwide.There also that autumn-sown those for forage...

Ecological model for organizing the quantitative traits and method of orthogonal regressions were applied to evaluate both, aboveground root biomass grass pea varieties different originating. The study was conducted three years. highest yields fresh BGE015741 (840.40 kg/da), LAT4362 (779.3 kg da-1) BGE027129 (722.80 da-1). Plants BGE025277 have a higher weight mass exhibit good combination adaptive attraction genes. average seed yield recorded at (158.40 da-1), (113.10 (108.30 BGE027129, are...

Characterization of promising white lupine hybrid lines (LN5 and LN1-1) their parental forms (Lucky801 PI533704) was done. Biometric analysis each variety line performed according to main quantitative traits phenological stages periods. A new Monica (from LN5) created with a direction use for seeds. It obtained through repeated individual selection from the cross Lucky801 ? PI533704. The belongs medium-ripening group duration vegetation period 129 days. has genetically completed growth....

An analysis was carried out during 2007-2009 on nine spring-sown Bulgarian and Ukrainian field pea cultivars. Strongest positive phenotypic correlations were observed between number of fertile nodes per plant numbers pods (r = 0.97) seeds 0.94); seed weight 0.83) 0.77). High genetic found height first pod 0.89), 0.91) 0.96) branches 0.92) 0.89). The strongest direct effect yield in branch length (17.70), 1000-seed (5.92) (4.93). highest indirect contribution to (2214.8), (1258.0) (708.70)....

White lupine is a species with great perspective among annual grain legumes. A biological and breeding evaluation of collection 23 white cultivars regarding basic traits indicators was conducted, an aim to select suitable parental forms. The study carried out at the Institute Forage Crops Pleven, Bulgaria during period 2014-2016. differed in their habitus, duration growing season, productivity, biochemical seed composition susceptibility Fusarium oxysporum f. sp. lupini. vegetation Central...

The objective of this study was to evaluate the influence two organic nanofertilizers, Lithovit and Nagro, on in vitro germination, pollen tube elongation grain viability Pisum sativum L cv. Pleven 4. effect their application high exceeded data for untreated control (44.2 47.23 % regarding germination elongation, respectively), as well algal fertilizer Biofa (17.5 27.9 %, respectively). Pollen grains were inoculated four culture media. A medium containing 15% sucrose 1% agar had most...

A linear equation of regression was used for establishment the influence quantitative characteristics on grain productivity in forage pea and development a model breeding work. The plant with high characterized by average height 60–70 cm, 8–10 formed pods, 30–40 seeds per 160–260 g regard to 1000-seed weight. obtained results showed that greatest effect had seed number plant, first pod Kristal variety ecological plasticity could be considered as close an ideal type, suitable growing under...

During the period 2012 -2014 was conducted a field trial with seven vetch cultivars: six Moldavian cultivars Liya, Lorina, Vilena, Moldovskaya (belonging to Vicia sativa L.), Violeta and Viola villosa Roth.) one Bulgarian cultivar Obrazets 666 L.). The performance, adaptability stability of tested were determined in relation plant height (cm), stem (mm) length (cm) pod, number seeds pods per plant, 1000 seed weight (g), (g) yield (kg da-1). Traits such as height, showed significant genotype...

The biological performance of grass pea (Lathyrus sativus L.) hybrid lines [LHL (BGE027129 ? LA5108), LHL-2 (BGE025277 LA5108) and LHL-3 (LA5108 BGE027129]) their parental components (BGE027129, BGE025277 LA5108 varieties) were studied in a three-year field experiment. Biometric analysis each variety line was done for main quantitative traits phenological stages periods. height the plants at technological maturity grain reached 46 cm. vegetation period has an average duration 93 days. New...

Purpose: The maintenance of grass pea varieties and a comparative assessment their biological characteristics, which will serve as basis for future breeding work is required. purpose the study to assess potential in productivity components.Research Method: Both, above ground root biomass plants was analyzed at beginning flowering stage technical maturity seeds. coefficient earliness determined. statistical methods viz hierarchical cluster analysis applied group genotypes by similarity....

The study was conducted in 2014-2016 on the experimental field of Institute Forage Crops, Pleven, Bulgaria. Aboveground and root biomass plant material seven white lupin (Lupinus albus L.) varieties different originated analyzed two phenological stages. Plants were for height, fresh weight, number leaves, nodule weight beginning flowering stage, pods, seeds seed technical maturity stage. Degree earliness assessing as well. group ultra early can be defined PI533704 Zuter with coefficient...

The field trial was conducted during the growing season 2017-2019 in experimental fields of Maritsa Vegetable Crop Institute, Plovdiv, Bulgaria. study used 10 samples garden peas (Pisum sativum L). for measurement. Plant tall (?m), height to first fertile node length internode (cm), number tillers, branches, ineffective nodes, total pods per plant, one pod fruiting handle, two width weight green grains plant (g), % filled grains, unfilled average were assessed. Analysis variance showed...

The investigation was performed during the period 2007-2009 in second experimental field of institute Forage Crops, Pleven.Were studies follow varieties: Kristal, Picardi, Amitie, Druzba, Kerpo, Usatii 90, Rezonator, Harkovskii atalon.The variety Pleven 4 used as a standard.According to obtained data varieties could be classified different groups on earliness.Early are Amitie and atalonn with earliness coefficient 1.00, mid -early is Kerpo 1.38 -1.57and late 4, Rezonator.Harkovskii atalon...

The study was conducted in 2014-2016 on the experimental field of Institute Forage Crops, Pleven, Bulgaria. plant material from aboveground and root mass seven forage peas (Pisum L.) genotypes varieties, i.e. X07P54, X06PWY, NDPO80138-B-2, CA1P, L020140, Wt6803 Mir analyzed. ecological genetic model for organization quantitative trait method orthogonal regressions as a evaluation were applied. highest stable yield fresh obtained at (12.9 kg ha-1), NDPO80138-B-2 (10.9 ha-1) L020140 (7.24...

Creation of plant associations with maximum stability yields in the regional ecological conditions for which they have been designed is key modern agriculture. The present study aimed to investigate impact environment on productivity and six grass (red fescue, pure stand; red fescue birdsfoot trefoil; tall Kentucky bluegrass; bluegrass alfalfa; trefoil) four locations (mountain slope eastern, western, northern south-eastern facing direction). Methods dispersion, regression nonparametric...

The aim and tasks of the study. research was aimed at studying genetic variability heritability for various traits winter pea, which may contribute to selection genotypes further breeding programs.Materials methods. investigations were carried out Institute Forage Crops (Pleven, Bulgaria) in 2011-2012. starting materials eight - No 58 (Fenn x Pleven 4), 57 9 Usatyy 90), 6 (Mir Kharkovskiy Etalonnyy), 12A Rezonator), 10 (Kerpo Mir), 14 (Pleven 90). Variety ‘Mir’ served as standard. plot area...

The main direction in the breeding of legumes is development high-productive cultivars with stable yields. In order to assess ecological stability 17 broad bean accessions (Fb 1896, Fb 1903, 1929, 2481, 2486, 3270, BGE 002106, 029055, 032012, 041470, 043776, 046721, FbH 13, 14, 15, 16, BGP) regard key quantitative traits, a field experiment was conducted Institute Forage Crops (Pleven) 2016–2018. Plants were grown under organic farming conditions without use fertilizers or pesticides. Three...

The productivity of crops is related to their adaptive potential the soil and climatic conditions environment. In this work properties seven pea (Pisum sativum L.) varieties were studied on root length, dry mass weight, number nodules leaves/plant. study was conducted in 2014-2016 experimental field Institute Forage Crops, Pleven, Bulgaria. Peas complex proanalyzed characteristics can be distributed as follows: Wt6803 combines high stability (bi = 1.04, 0.54), homeostaticity (Hom= 9.43,...

<p>An evaluation of the agronomic performance two lupin species (<em>Lupinus albus</em> and <em>Lupinus luteus</em>) was conducted at Institute Forage Crops (Bulgaria) during 2012-2014. The hightest positive correlations among traits in white were between number pods per plant seed weight (r = 0.956); height with pod stem length 0.935) 0.934); 0.956). In yellow relatively high phenotypic detected 0.875) seeds 0.927). Collecting data on mutual relationships...