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  • Articles  (19)
  • barley  (19)
  • 2015-2019
  • 2010-2014
  • 1990-1994  (19)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (19)
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  • Articles  (19)
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  • 1
    Electronic Resource
    Electronic Resource
    Synchronising diagnosis and correction of nitrogen deficiency in barley grown in semi-arid environments (1993)
    Springer
    Plant and soil 155-156 (1993), S. 363-366 
    Details
    ISSN: 1573-5036
    Keywords: barley ; nitrogen deficiency ; nitrogen fertilizer ; plant analysis ; plant nitrate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In field experiments conducted from 1986 to 1989, nitrogen (N) deficiency in barley crops was corrected with the same efficiency by applying N fertilizer at sowing or by broadcasting it at early tillering. Four plant tests for diagnosing and predicting N deficiency in barley were evaluated. Of these the basal stem nitrate-N test was best with a calibrated critical range of 12 000 to 15 000 mg kg-1 when sampling was during early tillering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025058
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  • 2
    Electronic Resource
    Electronic Resource
    Genes for scald resistance from wild barley (Hordeum vulgare ssp spontaneum) and their linkage to isozyme markers (1991)
    Springer
    Euphytica 61 (1991), S. 225-231 
    Details
    ISSN: 1573-5060
    Keywords: allozyme markers ; barley ; genetics of resistance ; Hordeum vulgare ; Rhynchosporium secalis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Accessions of Hordeum vulgare ssp. spontaneum, the wild progenitor of barley, collected in Israel (70), Iran (15) and Turkey (6) were screened for seedling response to four isolates of Rhynchosporium secalis, the pathogen causing leaf scald in barley. Resistance was very common in the collection (77%) particularly among accessions from the more mesic sites (90%). The genetics of this resistance were investigated in fifteen backcross (BC3) lines that contained an isozyme variant from H.v. ssp. spontaneum in a H.v. ssp. vulgare (cv. Clipper) background and were resistant to scald. Segregation in the BC3F2 families conformed with a single dominant resistance gene in 9 of the 15 lines. Scald resistance and the isozyme marker were closely linked in three of the BC3-lines, loosely linked in four and unlinked in the remaining eight. Scald resistance genes were identified on barley chromosomes 1, 3, 4 and 6. Crosses between several of the scald resistant BC-lines together with the linkage data indicated that at least five genetically independent resistances are available for combining together for deployment in barley. The linkage of scald resistance in several BC3-lines to the isozyme locus Acp2 is of special interest as this locus is highly polymorphic in wild barley.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039662
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  • 3
    Electronic Resource
    Electronic Resource
    The phosphorus requirement of different crop species compared with wheat on lateritic soils (1992)
    Springer
    Nutrient cycling in agroecosystems 32 (1992), S. 27-36 
    Details
    ISSN: 1573-0867
    Keywords: Phosphorus requirement ; wheat ; oats ; barley ; lupins ; triticale ; superphosphate ; grain yield ; phosphorus in grain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The phosphorus (P) requirement for grain production of different crop species (oats (Avena sativa), barley (Hordeum vulgare), triticale (xTriticosecale), narrow-leafed lupins (Lupinus angustifolius), and sandplain lupins (L. cosentinii) was compared with wheat (Triticum aestivum) in five field experiments on different lateritic soils in south-western Australia. Seven or eight levels of superphosphate were applied at the start of each experiment. The amount of P required to produce 70% (four experiments) or 90% (one experiment) of the maximum yield was used to compare P requirements. Large differences in the P requirements of the species were obtained. On P deficient soil in 3 experiments, oats required from 50 to 70% less P than wheat, but required 40% more P on a soil with a long history of superphosphate applications. Compared with wheat, in the year of P application, barley required 50% less P in one experiment, had similar P requirements in two experiments, and required 80% more P in another experiment. In the years after P application, barley required 20% less P in two experiments. On an acidic soil triticale required from 50% to 70% less P than wheat, but on less acidic soil it required 100% more P. In the year of P application, narrow-leafed lupins required 800% more P than wheat in one experiment, and 30% more P in the other experiment. In the year of P application, sandplain lupins required 70% less P than wheat in one experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01054391
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  • 4
    Electronic Resource
    Electronic Resource
    A comparison of minirhizotron, core and monolith methods for quantifying barley (Hordeum vulgare L.) and fababean (Vicia faba L.) root distribution (1993)
    Springer
    Plant and soil 148 (1993), S. 29-41 
    Details
    ISSN: 1573-5036
    Keywords: barley ; core ; fababean ; minirhizotron ; monolith ; root density ; root distribution ; Typic Cryoboroll
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Root research has been hampered by a lack of good methods and by the amount of time involved in making measurements. The use of the minirhizotron as a quantitative tool requires comparison with conventional destructive methods. This study was conducted in the greenhouse to compare the minirhizotron technique with core and monolith methods in quantifying barley (Hordeum vulgare L.) and fababean (Vicia faba L.) root distribution. Plants were grown in boxes (80 cm long × 80 cm wide × 75 cm deep) in a hexagonal arrangement to minimize the effects of rooting anistrophy. Minirhizotron observations and destructive sampling to a depth of 70 cm using core and monolith methods were performed at the ripening growth stage. Total root length for the entire depth interval was generally higher in barley (159–309 m) than fababean (110–226 m). Significant correlation coefficients between monolith and core methods for root length density (RLD, cm cm−3) was observed in both crops (p ≤ 0.01). A method and depth interaction showed no significant differences in fababean RLD distribution measured by core and monolith methods. However, the RLD was different for the uppermost 40 cm depth in barley. The relationship for RLD between minirhizotron and core methods was significant only in barley (r=0.77*). For both crops, estimates of RLD in the top 10-cm layer by the minirhizotron technique were lower than those by core and monolith techniques. In contrast, estimates of RLD were higher in fababean at a depth 〉30 cm. Destructive sampling still remains the method to quantify root growth in the 0–10 cm soil layer. ei]B E Clothier
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02185382
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  • 5
    Electronic Resource
    Electronic Resource
    Inhibition of tillering in cereals by substituted 2-phenoxypropionic acids (1991)
    Springer
    Plant growth regulation 10 (1991), S. 205-214 
    Details
    ISSN: 1573-5087
    Keywords: tillering ; wheat ; barley ; rice ; 2-phenoxypropionic acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The properties of various mono- and di-substituted analogues of 2-phenoxypropionic acid as inhibitors of tillering were investigated on wheat, barley and rice. Highest levels of activity were shown by (R)2-Cl,5-Cl, (R)2-Cl,5-F, and (R)2-Cl,5-methyl analogues. Few or no signs of phytotoxic effects (leaf chlorosis or necrosis) were evident on wheat or barley following spray application of these compounds. Rice was both more susceptible to inhibition of tillering and phytotoxic effects. However, almost complete inhibition of tillering was achieved by application of some compounds to rice with little or no phytotoxicity. Comparisons were made between the properties of these compounds and commercially used phenoxyacetic and phenoxypropionic herbicides and plant growth regulators. Dichlorprop inhibited tillering in rice, fenoprop in wheat and rice, and fluroxypyr in wheat, all without phytotoxic effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024411
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  • 6
    Electronic Resource
    Electronic Resource
    Esterase 1 and Hordein C allelic and genotypic frequencies in CC XXXI, a male sterile barley population (1990)
    Springer
    Euphytica 46 (1990), S. 165-168 
    Details
    ISSN: 1573-5060
    Keywords: Hordeum vulgare ; barley ; allelic frequency ; genotypic frequency ; outcrossing ; natural selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Seeds from the 5th, 6th, 12th and 18th generation of enforced outcrossing in CCXXXXI-B, a barley (Hordeum vulgare L.) population containing genetic male sterility, were assayed for genotypic distribution of Est 1 and Hor C alleles. The result suggest that natural selection was effective in altering allelic frequencies at both loci and that genotypic frequencies were often different from what would be expected if allelic frequencies solely determined genotypic frequencies. Departures of actual from expected genotypic frequencies occurred in that shifts in allelic frequencies were detected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00022311
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  • 7
    Electronic Resource
    Electronic Resource
    The isolation and identification of the prosthetic group released from a bound form of abscisic acid (1992)
    Springer
    Plant growth regulation 11 (1992), S. 327-334 
    Details
    ISSN: 1573-5087
    Keywords: Onion ; pea ; barley ; isolation of plant growth regulator ; bound form of abscisic acid ; abscisic acid, methyl abscisate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A bound form of abscisic acid, herein called ‘adduct’, has been isolated from peas and barley and has been shown to release methyl abscisate upon mild acid hydrolysis. Mass spectrometry of the methyl abscisate released by 2H2SO4 in 2H2O showed that the remainder of adduct was linked as an enolate of the ketone of the moiety that releases methyl abscisate. Some evidence is adduced to suggest that adduct is a metabolic precursor of abscisic acid. The implications of the distribution of adduct between roots and shoots for the plant's response to stress is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024572
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  • 8
    Electronic Resource
    Electronic Resource
    The availability of soil boron fractions to olive trees and barley and their relationships to soil properties (1994)
    Springer
    Plant and soil 162 (1994), S. 211-217 
    Details
    ISSN: 1573-5036
    Keywords: available boron ; barley ; boron fractions ; olive trees
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Soil boron occurring in various forms was correlated with boron contents in the leaves of olive trees in 51 and in barley leaves in 20 soils. The amounts of boron: in soil solution (CwsB), non specifically adsorbed (NsaB), specifically adsorbed (SaB), occluded in Mn oxides (MnoB), occluded in amorphous Fe-Al oxyhydroxides (FeoB), were correlated with soil properties such as: organic matter content, pH, free aluminum and iron oxyhydroxides (Ald, Fed), amorphous aluminum and iron oxyhydroxides (Alo, Feo). The later correlation studies were conducted on a total number of 153 soil samples inclusive of the soils used for the plant uptake investigations. The results show that the boron contents in the leaves of olive trees were significantly correlated with FeoB, CwsB, SaB and MnoB but with CwsB, NsaB, SaB and FeoB in barley leaves. The respective correlation coefficients suggest that available forms of soil boron vary with plant species. The hot water soluble boron was significantly correlated with all the fractions of boron studied except MnoB, confirming its value as a measure of available soil boron. However, the non significant (a=0.05) correlation with MnoB, which show significant correlation with the contents in the leaves of olive trees and barley, suggest that this procedure does not extract significant amounts of available B held in Mn oxyhydroxides. The highest amount of CwsB originated from the Cws B and to a lesser degree from the SaB and NsaB. The correlation among the boron held in the forms studied and the selected soil properties were either no significant or significant with the highest correlation found between FeoB and pH and Feo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01347708
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  • 9
    Electronic Resource
    Electronic Resource
    Using a chelate-buffered nutrient solution to establish the critical solution activity of Mn2+ required by barley (Hordeum vulgare L.) (1993)
    Springer
    Plant and soil 153 (1993), S. 195-205 
    Details
    ISSN: 1573-5036
    Keywords: barley ; chelation ; chemical speciation ; HEDTA ; Hordeum vulgare L. ; hydroponics ; ion uptake ; manganese ; micronutrients ; nutrient requirement ; plant nutrition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Relatively little is known about the responses of plants to micronutrients when these nutrients are maintained at the very low levels found in soils of low fertility. We have determined the requirement of barley (Hordeum vulgare L. cv Herta) for ionic Mn2+ in plant culture solutions using the chelating agent HEDTA as a buffer for micronutrient metal ions. The chemical activity of Mn2+ was varied approximately 10,000-fold from log(Mn2+)=−10.8 to −6.8 (pMn 10.8 to pMn 6.8), while holding constant the activities of the other micronutrient cations. Growth, appearance, and composition of ‘Herta’ barley indicated that log(Mn2+) of approximately −8.3 would permit optimal dry matter production and normal plant development. The specific accumulation rate of Mn by 15 to 23 day old seedlings was a linear function of the Mn2+ activity in solution. At log(Mn2+) of about −9.8 or below, barley seedlings were unable to accumulate significant amounts of Mn, and at some harvests, suffered a net loss of Mn to solution. Seedlings younger than 11 days old were ineffective accumulators of several cations, including Mn, Fe, Zn, Cu, Mg, and Ca. Differences in Mn availability did not influence uptake of other cations, except that Cu uptake by roots increased with increasing Mn uptake.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00012992
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of pH on Mn absorption by barley genotypes in a chelate-buffered nutrient solution (1993)
    Springer
    Plant and soil 155-156 (1993), S. 437-440 
    Details
    ISSN: 1573-5036
    Keywords: absorption ; barley ; chelate ; genotype ; HEDTA ; MES ; Mn ; pH ; Tris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A new chelate-buffering technique was used to investigate the effect of pH (6.00, 6.85 and 7.70) on manganese (Mn) absorption from nutrient solution by three genotypes of barley plants differeing in Mn efficiency. The nutrient composition was adjusted such that the calculated activities of Mn2+, Zn2+, Cu2+ and Ni2+ were similar in each pH, thus eliminating any effect of the pH treatment on Mn2+ supply. Increasing pH from 6.00 to 7.70 increased the rate of Mn absorption and decreased the external Mn requirement for optimal growth rate. With increasing pH, Mn concentrations in roots rose markedly, and were higher than those in shoots at pH 7.70. Genotypic differences in Mn concentration of roots appeared only at higher pH. We suggest that higher Mn concentration in roots of inefficient plants may be related to Mn immobilisation in roots, and this may be a factor in the mechanism of Mn efficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025077
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