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, Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
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, INRA, UR1115 Plantes et systèmes de culture horticoles
, Université d'Avignon, France it is responsible for the seed collection, UMR A408 Sécurité et Qualité des Produits d'origine Végétale
Gene bank also recognizes field gene bank as well as botanical garden of agricultural and horticultural plants. Field gene bank is consisted of next accessions: Malus × domestica Borkh. (30), Pyrus communis L. (20) and Prunus avium L. (13). Database for PGR activities is created and all accessions are registered by Multi Crop Passport Descriptores (MCPDs) and collecting forms. Very important achievement related to the plant genetic resources of Republika Srpska is Programme on Genetic Resources of Agricultural and Horticultural crops drafted by National, Avena sativa L. (15), Hordeum vulgare L. (48), Triticum aestivum L. (184), × Triticosecale Witmack ex A. Camus (27) ,
Plant genetic resources activities are supported by the SEEDNet Project and Ministry of Agriculture, Forestry and Water management of Republika Srpska, DOP Umbria cultivars Sex. Plant, 2006. ,
, To date, 12 anastomosis groups (AGs), AG 1 to AG 12 are recognised. Many of these AGs have been subdivided on the basis of host range, cultural morphology, biochemical, or molecular characteristics. The AGs show a certain degree of host specificity. Economical losses caused by R. solani are important especially on sugar beet, potato and lettuce in Germany. The AGs causing diseases are not well documented for each crop. So the causal pathogen of late sugar beet rot was identified as R. solani AG 2-2IIIB. However, the occurrence of AGs and subgroups causing bottom rot in field-grown lettuce in Germany has not been documented. Bottom rot on lettuce is a problem especially in South of Germany. One objective of our study was to characterise isolates of R. solani causing bottom rot in field-grown lettuce
, The primer pair amplified a single DNA product of 324 bp. R. solani AG-1 subgroups were discriminated by sequence analysis of the ITS region. The designed SCAR primer pair allowed an unequivocal and rapid detection of R. solani AG 1-IB in plant and soil samples. Sequence analysis of the rDNA-ITS region can be used for differentiation of subgroups within AG-1. The use of the developed SCAR primer set allowed a reliable and fast identification of R. solani AG 1-IB and provides a powerful tool for disease diagnosis. Adaptation of spray solutions to weed surface characteristics: improvement of glyphosate deposit characteristics and biological efficacy KRAEMER T, The aim of this study was to develop a specific and sensitive identification method for R. solani AG 1-IB isolates based on phylogenetic relationships of R. solani
, load were achieved by using appropriate adjuvants, which also have the potential of reducing losses due to drift or droplet bouncing. Moreover, adjuvants added as built-in or tankmix products influence droplet spread and deposit formation on the target surface, which may have a bearing on the biological efficacy of the agrochemical. Previous studies have shown that ethoxylated rapeseed oil (RSO) surfactants can alter spray solution characteristics and biological efficacy of glyphosate, whereas results depended on the interaction between leaf surface characteristics and physicochemical properties of these adjuvants. As a rule, weeds with hydrophobic surfaces were better controlled when a rather hydrophobic adjuvant (RSO 5) was added to the spray solution, Herbicide applications play an important role in horticultural practices whereas world-wide restrictions de
, The addition of RSO 60 enhanced the droplet spreading area twice as much within the easy-to-wet species S. media and V. arvensis. However, only the 1 µL droplets showed this enhancement, whereas on the difficult-to-wet species a slight enhanced spread area within both droplet volumes after addition of RSO 60 was observed. Additionally, both adjuvants altered glyphosate distribution within the droplet residues on the different plant surfaces. The unformulated glyphosate solutions induced non-uniform, small droplet residues on all leaf surfaces tested. The addition of RSO 5 resulted in larger glyphosate residue areas, whereas these were aggregated in small patches on three of the weed species, Results showed an increased droplet spreading (glyphosate + RSO 5) up to sixfold for the difficult-to-wet species C. album and S. viridis, whereas enhancement for the easy-to-wet species only reached twice of the amount (with respect to the unformulated glyphosate solution
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Introduction This research was conducted at the horticultural experimental site in Jedlersdorf (VZJ Gerasdorferstrasse, Vienna. Sandy loam above Danube's gravel, 162 m above sea level, continental climate: 9,8°C avg. temp, 1800 hrs avg. annual sunshine, ) in the frame of an interdisciplinary students ,
Four repetitions per intercropping system were arranged in a randomized block trial (24 fields in total). Red radish and intercropping partners were sown in parallel rows on open air trial fields (25 m²) and cultivated (fertilization, irrigation) according to Austrian IP good-practice, Implementation Intercropping systems were set up as follows: 1) Radish/Radish ,
, Red radish was harvested at optimum harvest stage, washed, green leaves were removed and discarded. Total fresh weights of red radish and intercropping partner were taken per field
, Laboratory investigations were conducted the following day: Individual fresh weight of all single radishes. Samples of 5 individual radishes for measures were taken: Two diameters (mm, electronic caliper), fresh weight (g, Merck electronic precision balance), colour of skin and flesh
, Other samples of 5 radishes were homogenized and a press saps were used for taking measures of NO3 concentration (semiquantitative method, Merck RQflex), P-value (electrochemical holistic quality measurement, BE-T-A Vincent) and Brix value (SSC-soluble solids content, digital Brix-meter, Atago). Calculations of dry matter and water contents were done as well as statistical analysis. Results are presented in tables and graphs. Development of techniques for rapid production of rattan seedlings KOUAKOU K, Minolta CR 200), tissue resistance (Mecmesin Penetrometer), dry weight (105 °C 2h, p.85
, Laboratoire de Biologie et Amélioration des Productions Végétales
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In both cultivars, fruit and shoot growth rates were similar for all treatments although 'Gala' fruits of PRD trees tended to be larger than those of CI and DI at harvest, and 'Fuji' shoots stopped growing earlier than 'Gala' shoots. In both cultivars, trees of the three treatments had similar yields, number of fruits, yield efficiency, although PRD tended to reduce yields of 'Gala' trees. In 'Gala', fruit quality was similar for all treatments; in 'Fuji', fruits of PRD and DI trees were firmer and better colored than those of CI trees. This first year of observations suggests that, in 'Fuji', increases in water use efficiency may be attrib-References Dry, Results and Conclusions In CI trees and on the wet side of PRD trees, SWT remained generally above -50 kPa (about 80% field capacity) and exhibited fluctuations due to irrigation cycles, pp.128-131, 1995. ,
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Leaf vegetables, Pea, Brussels sprout, Cauliflower, Cucurbits, Beans, Solanaceous, Ginseng, Pome-and Stonefruit trees, currants, strawberries, Olive, Loquat tree, Apricot tree, Quince tree, Pomegranate tree and Raspberry, BBCH Codes in horticulture plants: Bulb, Root and stem vegetables, vol.44, pp.265-270, 1992. ,
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Each eight years' old control tree received irrigation water from two drippers at 0,5 m 3 /wk, while each tree with restricted irrigation received 75% of the above during the last 20-25 days before harvest (end of June -early July) and 50% during postharvest. Fruit growth was negatively affected mainly in nectarines from restricted irrigation. Fruit quality was followed at harvest and after 2, 4 and 6 wks cold storage of fruit harvested from the upper and the lower part of the canopy. Fruit skin color, flesh firmness, titratable acidity and specific conductivity were not affected by restricted irrigation but low water availability increased fruit final conductivity, total phenols and, mainly in nectarines, fruit flesh dry matter. Thus, besides smaller fruit size, restricted irrigation seemed to positively affect fruit quality without altering fruit maturity at harvest. Quality changes during storage were as expected but, in particular, skin red color improved and flesh firmness and specific conductivity showed similar changes with storage time in each cv.. The appearance of internal breakdown for the two cultivars and treatments will be discussed. Finally, fruit from the upper part of the canopy were of superior quality and advanced maturity because of redder skin color, 2001. ,
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, Grapevine yellows are widespread in many viticultural areas of the world. Flavescence dorée (FD) causes crop losses, a decrease in the lifespan of grapevines and finally the death of the affected plant. FD is transmitted specifically by the cicadellid leafhopper Scaphoideus titanus. This species was first introduced to Southern France in the 1950s from North America and it is now expanding its range to the north
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41 mg) content, in 2007 a significantly lower N in content in the substrate was measured in the EM-treated plants (235 µg N in g -1 ) compared to the untreated control plants (668 µg N in g -1 ), corresponding to a significantly higher microbial biomass nitrogen content in the EM-variant (234 µg N mic g -1 ) compared to the control (161 µg N mic g -1 ), higher nutrient contents in plant leaves (Fe: 839,77 ppm in the "EM" compared with untreated control: 182,90 ppm) than the untreated plants. The "LTP" allergy was found in water treated tomatoes but not in 'EM' treated ones. The number of biophotons was higher in 'EM' treated tomatoes than in the control. The P-value of fruits which indicates a higher vital quality showed no statistically significant differences, University of Natural Resources and Applied Life Sciences Vienna. The tomato varieties "CASSIOPEIA" and "MERCEDES" were used in 2006 and 2007 growing seasons, respectively. A Completely Randomized Block Design (RCBD) with 2 factors, 2 treatments (EM and tap water) and 2 planting patterns (line and ellipse shape) was established in 5 replications, 1985. ,
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