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  • 1
  • 2
    Publication Date: 1973-04-01
    Description: SummaryResponse of wheat to fertilizer-P on soils low and medium in available P increased with increasing doses up to 26 kg P/ha; responses were proportionately greater on medium-P soils. Application of 39 kg P/ha increased the response slightly on low-P but decreased it drastically on medium-P soils. The relatively small response on low-P soils may be due to fixation of fertilizer-P. The results indicate that the maximum response to fertilizer-P may be obtained only when P fixing capacity of the soil is satisfied so that sufficient P for the crop remains in the soil solution. The results of this investigation suggest that fertilizer should be applied on the basis of soil test data of individual fields instead of following regional recommendations.
    Print ISSN: 0021-8596
    Electronic ISSN: 1469-5146
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 3
    Publication Date: 1985-08-01
    Description: Lime-induced Fe chlorosis is often a severe problem on calcareous and saline alkali soils. Symptoms of apparent Fe deficiency and responses to its application on several field crops have been observed under such soil conditions (Indian Council of Agricultural Research, 1980–81; Sakal, Singh & Singh, 1982, 1983). Rice varieties exhibit variable reaction to Fe stress when cultivated as an upland crop especially at seedling stage in the nursery (Patel, Ramakrishanyya & Patel, 1977; Singh et al. 1984). Plant analysis is one of the accepted tools for diagnosing nutritional disorders. Chlorotic plants often contain more total Fe than the green plants (Katyal & Sharma, 1.980; Voigt et al. 1982). In order to overcome this elusive behaviour of Fe it has been suggested that in place of total Fe the plants should be analysed for active Fe or dilute HCl-extractable Fe (Machold & Stephen, 1969). Iron is important for chlorophyll biosynthesis and is linked with a number of enzyme systems. The change in the activities of the enzymes has beenused as a yardstick to distinguish Fe deficiency in plants (Del Rio et al. 1978). Wallace (cf. Katyal & Sharma, 1980) and Patel et al. (1977) suggested analysing the plants for that fraction of Fe which correlates well with occurrence of chlorosis.
    Print ISSN: 0021-8596
    Electronic ISSN: 1469-5146
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 97 (1986), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The components of genetic variation were studied in four F2 crosses (PG3× 5064, T163× B.V., T163× Arkel and 5064 × ED) for quantitative characters such as days to flowering, plant height, pod number, seed number, test weight and yield/plant. The overall epistasis (T type) was, in general, a major contributor for genetically controlling the expression of the characters in all the- four crosses except for the character seed number in crosses 1 and JV, where the j + l component at epistasis played a significant role in determining the expression of this attribute:. Though the ‘j + l’ component of the epistasis was significant, it was relatively less important than the ‘i’ type epistasis. Both the additive and dominance components of the genetic variation were highly significant for all the trans studied in all die four sets of crosses. The expression of the dominance was directional only for a few characters in certain crosses. The degree of dominance lies in the partial range, and heritability estimates obtained were high for most of the trails. The possible application of cross prediction in the isolation of superior recombinant inbred lines in pea is discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 112 (1994), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Wheat-barley addition lines 7H, 2H, 3H, 4H, 6H and 5H having barley chromosomes 1, 2, 3, 4, 6 and 7, respectively, were evaluated for resistance to karnal bunt (Neovossia indica) using syringe inoculation of sporidial suspensions of N. indica under glasshouse conditions. Addition lines 4H and 7H were rated as highly resistant and resistant, respectively, with zero and 3.22 coefficients of infection compared to ‘Chinese Spring’ which had a 23.5 coefficient of infection. All the six addition lines were found to be susceptible to specific virulences of Puccinia recondita tritici and P. striiformis.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 45 (1996), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A. virus causing mosaic and leaf deformation of Physalis minima has been identified as an isolate of cucumber mosaic virus (CMV) on the basis of its transmission by aphids in a non-persistent manner, polyhedral particles of 29 nm diameter, molecular weight of coat protein subunits us 24-5 kDa. serological relationship with a CMV isolate and a tripartite single-stranded RNA genome with a subgenomic RNA4- Furthermore. cDNA representing coat protein gene was synthesized and cloned. Complete nucleotide sequences (890 nt) were obtained which showed a coat protein gene open reading frame of 657 residues. THE nucleotide sequences provided the 218 amino ACID sequences of the coat protein. Nucleotide as well as amino acid sequences revealed more than 90% identity with the CMV subgroup I strains.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    European journal of soil science 48 (1997), S. 0 
    ISSN: 1365-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The transformations of phyllosilicates and the changes in potassium (K) balances caused by long-term cropping have been examined in soil from the 153-year-old Broadbalk experiment. Samples taken between 1856 and 1987 and kept in archive were fractionated for particle size and analysed for changes in mineralogy by X-ray diffraction and changes in total K of the coarser and fine fractions. These were compared with K balances made from records of cropping and fertilizer application. No change in mica due to cropping and K-depletion could be detected. Deep ploughing after 1925 mixed chlorite from the subsoil into the surface soil, but this had weathered by 1987. Potassium balances did not agree with measured changes in total K presumably because of unquantified uptake of K from the subsoil and poorly quantified K leaching.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 37 (1988), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Leaf crinkle symptoms, stem necrosis and stunting were observed in Solanum capsicastrum plants in India. A virus was isolated from these plants and identified as a strain of eggplant mottled crinkle virus based on host reactions, in vitro properties, icosahedral particle morphology, buoyant density (1.39 g cm3), molecular weight (41 ± 0.5 kDa) of coat protein subunits and serological relationships
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 42 (1993), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Cucumber mosaic virus (serologically closely related to strains CMV-C and CMV-D) is reported for the first time as a natural infection of Dianthus barbatus causing leaf crinkle and stunting of plants. It was mechanically transmitted to healthy D. barbatus and Vaccaria pyramidata (Caryophyllaceae) and to other herbaceous test plants, and was also aphid-transmissible from D. barbatus to D. barbatus. A convenient host for multiplication and purification of the virus was Nicotiana rustica. The presence of CMV was confirmed in D. barbatus and also in V. pyramidata by Western immunoblotting, but the concentration was too low in both the hosts to detect the virus by agar double diffusion tests.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 42 (1977), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Phytic acid and nine elements (potassium, magnesium, calcium, sodium, iron, zinc, manganese, phosphorus, and copper) were determined in 12 commercially available cultivars of hexaploid triticales, one octaploid triticale, one wheat and one rye. The amount of phytate phosphorus varied from 1.4–5.3 mg/g in the whole grain, from 0.5–1.9 mg/g in flours and from 0.6–2.2 mg/g in bran of triticales. There were significant variations in the amount of calcium, phosphorus, iron and zinc but not in potassium, magnesium, sodium, manganese or copper due to cultivars. The location had more pronounced effect on micro-elements (manganese, iron, copper and zinc) than on the macro-elements (potassium, phosphorus, magnesium, calcium and sodium). The predominant minerals of triticales were phosphorus, potassium, magnesium and calcium. Phytic acid does not seem to have an apparent correlation with either iron or phosphorus in triticales.
    Type of Medium: Electronic Resource
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