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  • Articles  (9)
  • Other Sources
  • Zea mays  (9)
  • Springer  (9)
  • American Meteorological Society
  • American Physical Society (APS)
  • Canadian Science Publishing
  • De Gruyter
  • Springer Nature
  • Wiley
  • 2005-2009
  • 2000-2004
  • 1980-1984  (9)
  • 1955-1959
  • 1935-1939
  • 1930-1934
  • 2003
  • 1981  (9)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (9)
  • Economics
  • Energy, Environment Protection, Nuclear Power Engineering
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  • Articles  (9)
  • Other Sources
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  • Springer  (9)
  • American Meteorological Society
  • American Physical Society (APS)
  • Canadian Science Publishing
  • De Gruyter
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  • 2005-2009
  • 2000-2004
  • 1980-1984  (9)
  • 1955-1959
  • 1935-1939
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  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (9)
  • Economics
  • Energy, Environment Protection, Nuclear Power Engineering
  • Biology  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Zinc-phosphorus relationship in the nutrition of corn plants (Zea mays L.) grown on some calcareous soils (1981)
    Springer
    Plant and soil 59 (1981), S. 51-59 
    Details
    ISSN: 1573-5036
    Keywords: Calcareous soils ; Corn ; P ; Zea mays ; Zn
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Positive relationships were observed between Zn and P in the studied calcareous soils and in the corn plants grown thereon. The high content of carbonates in these soils affected greatly the levels of extractable Zn and the Zn−P relationships. In the pot experiment, application of P increased the Zn content of the corn plants and application of Zn increased that of P.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02183591
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  • 2
    Electronic Resource
    Electronic Resource
    Absorption and transport of nutrient cations and anions in maize roots (1981)
    Springer
    Plant and soil 63 (1981), S. 39-46 
    Details
    ISSN: 1573-5036
    Keywords: Carboxylate feed-back systems ; Electroneutrality ; Ion absorption ; Ion transport ; Zea mays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374255
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  • 3
    Electronic Resource
    Electronic Resource
    Co-ordination of growth phenomena within a root system of intact maize plants (1981)
    Springer
    Plant and soil 63 (1981), S. 65-72 
    Details
    ISSN: 1573-5036
    Keywords: Growth co-ordination in roots ; Seminal roots ; Crown roots ; Zea mays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Conclusions The experimental results presented show that within the intact plant growing undisturbed a serious competition exists between various root members. When as a consequence of partial derooting or local inhibitory treatments shoot growth is not affected the remaining root members compensate completely for the reduction elsewhere. Competition for a limited supply of carbohydrates covers most of the observations [1]. However, since it has been shown that with the phloem stream various hormones are transported to the roots, some of which may affect root growth [4, 5], the ultimate solution needs additional experimentation [10]. In case of the differences in the rate of root elongation in nitrogen deficient plants and in plants well-supplied with nitrogen, the higher auxin content in the latter may be responsible for the lower elongation rate [5].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374258
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  • 4
    Electronic Resource
    Electronic Resource
    The influence of mechanical resistance and phosphate supply on morphology and function of corn roots (1981)
    Springer
    Plant and soil 63 (1981), S. 77-81 
    Details
    ISSN: 1573-5036
    Keywords: Root growth ; Root morphology ; Root function ; Phosphate supply ; Mechanical resistance ; Zea mays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Conclusions The influence of mechanical soil resistance on shoot growth can be explained qualitatively by its influence on root morphology. When relating ion uptake quantitatively to a certain root parameter (length, surface area, weight), availability of nutrients in the different soil layers must be taken into consideration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374260
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of zinc and phosphorus on the grain yield of corn (Zea mays L.) grown on a calcareous soil (1981)
    Springer
    Plant and soil 63 (1981), S. 291-294 
    Details
    ISSN: 1573-5036
    Keywords: Calcareous soils ; Corn ; P-fertilization ; Zea mays ; Zn-fertilization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In a field experiment, more than 22% increase in the grain yield of corn was obtained by the application of 50 kg ZnSO4/ha. Grain yields were also increased by increasing the level of applied phosphorus. Positive relationship was obtained between Zn and P, the phosphorus treatment increased Zn uptake by grains and vice versa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374607
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  • 6
    Electronic Resource
    Electronic Resource
    Phenotypic and genetic relationships between yield components in maize (1981)
    Springer
    Euphytica 30 (1981), S. 601-609 
    Details
    ISSN: 1573-5060
    Keywords: Zea mays ; maize ; combining ability ; grain filling ; moisture content ; path coefficients ; yield components
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Physiological components of kernel development — LAG period, effective filling period duration (EFPD) and grain filling rate (GFR) — ear moisture release (ΔU), ear size (row number and kernels per row), days from emergence to silking and number of leaves, were examinated on 45 F1 hybrids (10×10 diallel cross) in order to study their genetic relationships with yield. Combining ability analysis revealed that all trait variability derived mainly from g.c.a. effects. LAG period and EFPD were the traits most affected by genotype-environment interaction. Covariation analysis (path method) based on mean phenotypic values and on g.c.a. effects yielded similar information. It is shown that GFR and EFPD are both related to plant yield, but GFR made the most important contribution. On the contrary, a significant relationship between yield and LAG was not detected. Ear size components were also positively related to yield and had negative effects on GFR. These results indicate that, for our material, the dry matter accumulation rate is the main limiting factor of yield. Considering s.c.a. effects, kernel number per row made the most important contribution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00038787
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  • 7
    Electronic Resource
    Electronic Resource
    Use of index selection in recurrent selection programs in maize (1981)
    Springer
    Euphytica 30 (1981), S. 611-618 
    Details
    ISSN: 1573-5060
    Keywords: Zea mays ; maize ; index selection ; recurrent selection ; genotypic correlation ; phenotypic correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Phenotypic and genotypic correlations were examined for four traits in seven populations of maize (Zea mays L.) undergoing recurrent selection. Correlations among grain yield and percentage of grain moisture, root lodging, and stalk lodging were low (|r|〈0.3) except for the correlation between grain yield and stalk lodging, which was high and negative. The phenotypic and genotypic correlations agreed well from cycle to cycle within populations. Variation of correlations among populations was not significantly larger than variation among cycles. Heritabilities of these traits generally were high (h2〉0.5). Two indices, one that used heritabilities as index weights and one that used relative economic weights (base index) as index weights, were compared with the Smith-Hazel index (optimim index). Relative efficiencies of the two indices, in terms of predicted gains for the individual traits and the composite trait, compared with the Smith-Hazel index, were high. The use of an index in which heritabilities were used as index weights was recommended because:1) the heritabilities were the same as the optimum weights when the traits were uncorrelated, and for the data examined the correlations were low; and 2) heritabilities were computed in routine data analyses and were available at no additional cost.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00038788
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  • 8
    Electronic Resource
    Electronic Resource
    Populations of maize with more rapid and reliable seedling emergence than cornbelt dents at low temperatures (1981)
    Springer
    Euphytica 30 (1981), S. 755-763 
    Details
    ISSN: 1573-5060
    Keywords: Zea mays ; maize ; low temperature emergence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Selected races, populations and genotypes of maize (Zea mays L.) from regions where maize is sown under cool conditions were evaluated in controlled-environment rooms for time to seedling emergence and percentage emergence at low temperatures. The objective of the study was to identify populations with the ability to emerge more rapidly and more reliably than Cornbelt Dent, the race most widely used to produce cultivars for temperate regions. Several populations emerged markedly faster and more reliably than Cornbelt Dent populations. All of these populations contained germplasm of highland Mexican origin, except for Gaspé Flint, and the fastest population in each experiment always contained a high proportion of germplasm from the Cónico race. The advantage of populations containing Cónico germplasm was greatest in environments where emergence was slowest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00038805
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  • 9
    Electronic Resource
    Electronic Resource
    The effect of growing beans together with maize on the incidence of bean diseases and pests (1981)
    Springer
    European journal of plant pathology 87 (1981), S. 193-199 
    Details
    ISSN: 1573-8469
    Keywords: mono-cropping ; mixed cropping ; Phaseolus vulgaris ; bean ; Zea mays ; maize ; bean diseases ; Pseudomonas phaseolicola ; halo blight ; bean common mosaic virus ; Colletotrichum lindemuthianum ; anthracnose ; Xanthomonas phaseoli ; common blight ; Elsinoe phaseoli ; scab ; Phoma exigua var. diversispora ; black node disease ; Erysiphe polygoni ; powdery mildew ; Sclerotinia sclerotiorum ; white mold ; Phaeoisariopsis griseola ; angular leaf spot ; Uromyces appendiculatus var. appendiculatis ; rust ; bean pests ; Heliothis armigera ; bolworm ; Systates pollinosus ; black beetle ; Aphis fabae ; aphid ; disease score ; pest score ; Kenya
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Samenvatting Bonen in mengteelt met mais vertoonden over het algemeen in vergelijking met bonen in monocultuur minder aantasting door de navolgende ziekten en plagen: vetvlekkenziekte, bonerolmozaïek, vlekkenziekte, gewone vlekkenziekte, schurft, zwarte knopensiekte, meeldauw, peulenboorder en, in mindere mate, veelhoekvlekkenziekte. Het tegenovergestelde was het geval voor sclerotiënrot en de bladrandkeverSystates. Roest en de zwarte bonenluis gedroegen zich wat wisselvallig in dit opzicht. Geconstateerd mag worden, dat door mengteelt met mais een soort teeltkundige behersing van de belangrijkste ziekten en plagen in Kenya wordt bewerkstelligd.
    Notes: Abstract Compared with mono-cultures, beans grown in association with maize showed generally less incidence of the following diseases and pests: halo blight, bean common mosaic, anthracnose, common blight, scab,Phoma, mildew, bolworm and to a lesser extent angular leaf spot. For white mold and the black beetleSystates the opposite was observed. Rust and aphilds were erratic in this respect. Apparently a kind of cultural control of the major bean diseases in Kenya is effected by growing beans in association with maize.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01976985
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