Saprophytic sentence example

saprophytic
  • Nearly all bacteria, owing to the absence of chlorophyll, are saprophytic or parasitic forms. Most of them are colourless, but FIG.
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  • The order is well represented in Britain by 18 genera, which include several species of Orchis: Gymnadenia (fragrant orchis), Habenaria (butterfly and frog orchis), Aceras (man orchis), Hermin- ium (musk orchis), Ophrys (bee, spider and fly orchis), Epipactis (Helleborine), Cephalanthera, Neottia (bird's-nest orchis), one of the few saprophytic genera, which have no green leaves, but derive their nourishment from decaying organic matter in the soil, Listens (Tway blade), Spiranthes (lady's tresses), Malaxis (bog-orchis), Liparis (fen-orchis), Corallorhiza (coral root), also a saprophyte, and Cypripedium (lady's slipper), represented by a single species now very rare in limestone districts in the north of England.
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  • Notwithstanding the absence of chlorophyll, and the consequent parasitic or saprophytic habit, Bacteriaceae agree in so many morphological features with Cyanophyceae that the affinity can hardly be doubted.
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  • All the saprophytic prothalli contain an endophytic fungus in definite layers of their tissue.
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  • They present a general, but probably homoplastic, resemblance to the saprophytic prothalli of certain Lycopodia.
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  • The role of saprophytic microflora in the development of fusarium ear blight of winter wheat caused by Fusarium culmorum.
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  • Fungus Nutrition The first method of obtaining food is called ' saprophytic ' and the fungi that use this method are called saprophytes ' .
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  • Their extreme reduction in form and loss of sexuality may be correlated with the saprophytic habit, the proteids and other organic material required for the growth and reproduction being appropriated ready synthesized, the plant having entirely lost the power of forming them for itself, as evidenced by the absence of chlorophyll.
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  • The group has until recent years been regarded as comprising three classes distinguished by well-marked physiological featuresthe Algae (including the Seaweeds) which contain chlorophyll, the Fungi which have no chlorophyll and therefore lead a saprophytic or parasitic mode of life, and the Lichens which are composite organisms consisting of an alga and a fungus living together in a mutual parasitism (symbiosis); Bacteria were regarded as a section of Fungi.
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  • It is not sufficient to find bacteria in the rotting tissues, however, nor even to be successful in infecting the plant through an artificial wound, unless very special and critical precautions are taken, and in many of the alleged cases of bacteriosis the saprophytic bacteria in the tissues are to be regarded as merely secondary agents.
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  • Fungus Nutrition The first method of obtaining food is called ' saprophytic ' and the fungi that use this method are called saprophytes '.
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  • If you find worms or saprophytic fungi -- a network of fine, white threads in a clump of compost - that is a sign that your compost pile is "working" nicely.
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  • The Mycetozoa or Myxomycetes are a saprophytic group without chlorophyll, of simple structure and isolated position.
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  • Those Fungi which are saprophytic can only live when supplied with organic compounds of some complexity, which they derive from decomposing animal or vegetable matter.
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  • Such a source is commonly met with among the Fungi, the insectivorous plants, and such of the higher plants as have a saprophytic habit.
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  • An epiphytic fungus is not necessarily a parasite, however, as many saprophytes (moulds, &c.) germinate and develop a loose mycelium on living leaves, but only enter and destroy the tissues after the leaf has fallen; in some cases, however, these saprophytic epiphytes can do harm by intercepting light and air from the leaf (Fumago, &c.), and such cases make it difficult to draw the line between saprophytism and parasitism.
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  • Saprophytic bacteria can readily make their way down the dead hypha of an invading fungus, or into the punctures made by insects, and Aphides have been credited with the bacterial infection of carnations, though more recent researches by Woods go to show the correctness of his conclusion that Aphides alone are responsible for the carnation disease.
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  • Nutrition is of course holozoic or saprophytic in the colourless forms, holophytic in the coloured; but these divergent methods are exhibited by different species of the same genus, or even by individuals of one and the same species under different conditions.
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  • The Perisporiaceae are saprophytic forms, the two chief genera being Aspergillus and Penicillium.
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  • Certain species, such as Gymnodinium spirale, are colourless and therefore saprophytic in their method of nutrition.
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