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Wyszukujesz frazę "Singh, Y." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Relationship between water content and grain weight in developing wheat grains.
    Autorzy:
    Chanda, S. V.
    Singh, Y.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2198878.pdf
    Data publikacji:
    2002-06-23
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    grain growth analysis
    water content
    biphasic regression analysis
    Triticum aestivum
    Opis:
    Grains from basal (4th), central (8th) and apical (12th) spikelets of a wheat (Triticum aestivum L.) cultivar Lok-1 were investigated for their fresh weight, dry weight and water content. Each spikelet had 3 grains and so in all 9 grains were analyzed. Grain dry weight data was fitted to polynomial equations and biphasic linear regression analysis. The experiments described here indicated that grains having maximum water content had maximum grain weight and vice versa. Maximum water content and maximum grain weight showed a highly significant linear correlation (P < 0.001). It is suggested that in genetic manipulation in wheat, maximum water content can be a used as a reliable criterion to help in selection for final grain weight.
    Źródło:
    Plant Breeding and Seed Science; 2002, 46, 1; 55-60
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Source-sink relationships and grain weight at different positions within wheat spike.
    Autorzy:
    Chanda, S.V.
    Singh, Y.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2198848.pdf
    Data publikacji:
    2002-12-22
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    grain growth rate
    grain filling duration
    source-sink
    Triticum aestivum
    Opis:
    The response in growth and final weight of grains from basal, middle and apical spikelets to increases in assimilate availability was studied by modifying source-sink relationships during the grain growth period in a wheat cultivar Lok-1. The source-sink relationship was altered in 1500 plants by removing spikelets in various positions i.e. either apical, middle or basal spikelets were pinched off on the day of anthesis. The final grain weight, grain growth rate and grain filling period (duration) was significantly affected by increasing the source capacity per grain by trimming i.e. removing some spikelets. The final grain weight was positively significantly correlated with grain growth rate while it was significantly but inversely correlated with grain filling duration. A clear effect of position of grain in spikelet and its (spikelet) position on the spike could be visualized. The results imply that there is a possibility that the availability of photosynthates is limiting and does not fully satisfy grain growth requirements. It is suggested that in this cultivar during post-anthesis period, grain yield is source limited.
    Źródło:
    Plant Breeding and Seed Science; 2002, 46, 2; 67-73
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of flowering time and fruiting pattern on yield components of three cotton genotypes.
    Autorzy:
    Rabadia, V. S.
    Thaker, V.S.
    Singh, Y.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2199021.pdf
    Data publikacji:
    2006-06-22
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    active boll load
    cotton
    dry matter partitioning
    flowering time
    fruiting pattern
    yield components
    Opis:
    Cotton genotypes H-6, H-4 (Gossypium hirsutum L.) and V797 (Gossypium herbaceum L.) were analyzed for fruiting pattern (i.e. distribution of flowers, numbers of bolls and its dry weight on different branches) and percent (%) dry matter partitioning into the different components of the boll (seed, fiber and boll wall). Percent distribution of flowers, bolls and dry weight within the plant varied distinctly among the genotypes studied. In higher yielding genotypes (H-4 and H-6), during the initial stage of plant growth for about 10 days, 60-80% of dry matter was partitioned into boll wall and decreased up to 12-15% as the boll developed (nearly 45 days). Contrary to this, seed and fiber accumulated dry matter during development (60-75%). Abscission rate increased with an increase in boll load in all three genotypes and it was significantly higher in the lower yielding variety, V797. A reduction in boll and seed number, seed and fiber dry weight was observed with the progress in the season and was significantly higher in V797 as compared to H-4 and H-6.
    Źródło:
    Plant Breeding and Seed Science; 2006, 53; 17-26
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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