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  • 1975-1979  (3)
  • Triticale  (2)
  • Central chemosensitive mechanisms  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 367 (1977), S. 241-247 
    ISSN: 1432-2013
    Keywords: Central chemosensitive mechanisms ; Pulmonary ventilation ; CO2 sensitivity ; Hypoxia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In urethane-anaesthetised adult albino rats ventral surface of the brainstem was stimulated chemically by increasing the local CO2 concentration and electrically. Two areas were demarcated on the ventral surface of the brainstem, one which showed an increase in pulmonary ventilation on chemical and electrical stimulation, and another which showed a decrease in pulmonary ventilation and sometimes even respiratory arrest. EEG activity recorded from the area from where increased pulmonary ventilation was obtained showed a synchronous slow wave activity during chemical stimulation and inhalation of a CO2-air mixture. This area is situated 0.5–1 mm lateral to the mid-line extending up to the rootlets of the VIIth to IXth cranial nerves. The response increased proportionately on increasing the strength of the chemical stimulus, till it reached a plateau. In carotid body denervated and chronic hypoxic animals, the magnitude of the responses was shown to be increased, probably due to increased sensitivity of the central chemosensitive mechanisms.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 25 (1976), S. 193-199 
    ISSN: 1573-5060
    Keywords: Triticale ; nitrate reductase activity ; correlation with protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The optimum conditions for extraction and assay for nitrate reductase (NRase) activity in triticale were determined. NRase activity was positively correlated with plant height, grain yield and grain protein. The leaf protein, seed set or kernel weight had no significant correlation with the NRase activity. Data indicated an apparent interrelationship between NRase activity, grain protein, plant height and grain yield.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 27 (1978), S. 19-25 
    ISSN: 1573-5060
    Keywords: Triticale ; Triticosecale ; amylase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Amylase activity in leaves and the seed exhibited variations among 12 cultivars of hexaploid triticales and was considerably higher than either octaploid triticale or hexaploid wheat. Amylase activity was influenced by the levels of nitrogen and the maturity stages of the kernel. The bran-free endosperm had much lower amylase activity than the whole meal. The measurement of dry matter, starch, total sugars and reducing sugars during the stages of kernal development indicated significant positive correlation between days after anthesis and amounts of starch and dry matter and negative correlation with total sugars, reducing sugars and amylase activity. However, a lower rate of starch accumulation and higher rate of amylase activity prior to kernel maturity was clearly evident.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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