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  • Solanum tuberosum L.  (2)
  • Capsicum chinense  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Inheritance of a resistance specific to tomato spotted wilt tospovirus in Capsicum chinense ‘PI 159236’ (1994)
    Springer
    Euphytica 75 (1994), S. 139-142 
    Details
    ISSN: 1573-5060
    Keywords: Capsicum chinense ; Capsicum annuum ; inheritance ; tomato spotted wilt virus ; tospoviruses ; hypersensitive-like resistance ; resistance ; TSWV ; genetics ; pepper
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Inheritance studies were conducted to determine the genetic basis of resistance in pepper against one Tospovirus isolate classified as tomato spotted wilt virus (TSWV). F1, backcrosses and F2 populations were developed using the resistant parent Capsicum chinense ‘PI 159236’ (CNPH 679) and the susceptible parent C. annuum ‘Magda’ (CNPH 192). Segregation ratios strongly indicated that the resistant response (a localization, hypersensitive-like reaction) to TSWV fits a single-dominant gene model. Under our experimental conditions, the penetrance of this gene was very high. This gene (tentatively named Tsw) is highly effective only against TSWV isolates. The resistance governed by the Tsw gene was not effective against isolates belonging to tomato chlorotic spot virus (TCSV) and groundnut ring spot virus (GRSV), two other previously described Tospovirus species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024541
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of nitrogen source on growth and morphogenesis of three micropropagated potato cultivars (1994)
    Springer
    Potato research 37 (1994), S. 161-168 
    Details
    ISSN: 1871-4528
    Keywords: Solanum tuberosum L. ; dry matter partition ; nitrogen content ; DW/Nratio ; nitrate ; ammonium ; glutamic acid ; in vitro nitrogen source
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Different nitrogen sources (NO3 −, NH4 +, glutamic acid and their combinations) influenced the growth and morphogenic responses (node number, shoot length, and stem, leaf and root dry weight) of three micropropagated potato cultivars (Spunta, Kennebec, Huinkul). Addition of reduced nitrogen (NH4 + or glutamic acid) in a nitrate medium increased shoot length and leaf number. The large increase in growth in plants fed with NO3 −, NH4 + could be explained by higher organic nitrogen content and enhanced dry matter partition to the shoot. This suggests that reduced nitrogen source is required, at least as a supplement to NO3 −, to enhance N assimilation and growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02358717
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Potato micropropagation: Growth of cultivars in solid and liquid media (1996)
    Springer
    Potato research 39 (1996), S. 253-258 
    Details
    ISSN: 1871-4528
    Keywords: Solanum tuberosum L. ; nitrogen content ; sugar content ; Spunta ; Kennebec ; Huinkul ; nutrient availability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of liquid and solid media on the growth of micropropagated potato shoots (cvs Spunta, Kennebec and Huinkul) was studied in relation to the availability of nutrients and water in the culture medium. Nitrogen and sugar assimilation in the shoot and the water content of the shoots were evaluated. The water content of the plant tissues was not affected by the physical state of the medium. The liquid medium caused a greater accumulation of dry matter in the shoot without changing assimilate partition. The liquid medium increased shoot growth without affecting the number of nodes. The higher growth rate of shoots in liquid medium was correlated with increases in their organic nitrogen and sugar contents, indicating that nutrient assimilation was favoured in liquid media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02360916
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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