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  • 1
    ISSN: 1432-2048
    Keywords: Abscisic acid ; Commelina ; Leaf epidermal tissue ; Radioimmunoassay (ABA) ; Tulipa ; Water stress
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have shown the presence of abscisic acid (ABA) in abaxial epidermal strips taken from Tulipa gesneriana and Commelina communis and that the ABA level rises in the epidermis when leaves are water stressed. ABA levels had risen 50% in the abaxial epidermis of C. communis 30 min after the leaves lost 10% of their fresh weight. Epidermis from both T. gesneriana and C. communis metabolize [14C]ABA to several products probably including phaseic acid (PA) and dihydrophaseic acid (DPA).
    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
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