Germination of Seeds, Growth of Seedlings and Chemical Control on Seedling of Sea Club Rush (Scirpus planiculmis Fr. Schm.).

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  • コウキヤガラ種子の発芽生態と各種除草剤による抑制効果

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The Germination characteristics of seeds, growth of seedlings in paddy-fields and controlling effect of some herbicides on seedlings of sea club rush were examined.<br>1) Germination of seeds were observed in paddy-fields (Table 1).<br>2) The seeds is covered with a hard seed coat, resulting in slow water absorption. However water absorption was enhanced by the cutting of the basal part of seed and digestion of the seed coat with sulfuric acid (Fig. 2).<br>3) The seed of sea club rush germinated under alternating temperatures in the light, and the germination was markedly promoted by the cutting of the basal part of the seed (Fig. 3).<br>4) Seeds which had been buried in paddy soil for two or three years exhibited a higher germination percentage than those buried for one year (Table 2).<br>5) The growth rate of the seedlings was significantly lower than that of the shoots which had emerged from the tubers (Table 3).<br>6) The emergence of seeds was effectively controlled with some herbicides (Table 4).

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Details 詳細情報について

  • CRID
    1390282679255534720
  • NII Article ID
    130003811138
  • DOI
    10.3719/weed.37.140
  • ISSN
    18824757
    0372798X
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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