Showing 761 - 770 results of 1,173 for search '"Pests."', query time: 0.02s Refine Results
  1. 761

    The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform]. by Villamayor, Federico Garcia 1949-

    Published 1977
    Visual Material

    The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform].
  2. 762

    Inheritance of varietal resistance to bacterial leaf blight and its relation to culm length in four rice crosses [microform]. by Villareal, Reynaldo Lopez 1947-

    Published 1977
    Visual Material

    Inheritance of varietal resistance to bacterial leaf blight and its relation to culm length in four rice crosses [microform].
  3. 763

    Varietal resistance to the rice whorl maggot Hydrellia philippina Ferino [microform]. by Andres, Fausto L. 1942-

    Published 1977
    Visual Material

    Varietal resistance to the rice whorl maggot Hydrellia philippina Ferino [microform].
  4. 764

    Effects of nutritional and microclimatic conditions on the development of sheath blight disease of rice [microform]. by Yu, Chun-Ming 1945-

    Published 1977
    Visual Material

    Effects of nutritional and microclimatic conditions on the development of sheath blight disease of rice [microform].
  5. 765

    Influence of herbicides on sclerotium damping-off in tomato [microform] by Begonia, Gregorio Britos 1949-

    Published 1977
    Visual Material

    Influence of herbicides on sclerotium damping-off in tomato [microform]
  6. 766

    Population dynamics of the yellow rice borer, tryporyza incertulas (walker), and its damage to the rice plant [microform] by Than Htun 1944-

    Published 1977
    Visual Material

    Population dynamics of the yellow rice borer, tryporyza incertulas (walker), and its damage to the rice plant [microform]
  7. 767

    Biological observations on the striped sugarcane borer, chilo infuscatellus sn. and larval toxicity of granular insecticides on different sugar cane varieties [microform] by Reyes, Leonardo Gatus 1931-

    Published 1977
    Visual Material

    Biological observations on the striped sugarcane borer, chilo infuscatellus sn. and larval toxicity of granular insecticides on different sugar cane varieties [microform]
  8. 768

    A survey of higher plants for fungicidal properties against helminthosporium oryzae breda de haan and pyricularia oryzae cov. [microform] by Dumancas, Edna Edralin

    Published 1977
    Visual Material

    A survey of higher plants for fungicidal properties against helminthosporium oryzae breda de haan and pyricularia oryzae cov. [microform]
  9. 769

    Nematicidal properties of some root extracts on meloidogyne incognita [microform] by Le-Thi-Hoan 1949-

    Published 1977
    Visual Material

    Nematicidal properties of some root extracts on meloidogyne incognita [microform]
  10. 770

    Pathogenicity and control of nematodes on grapes (vitis vinifera Linnaeaus) [microform] by Sarra, Ruth Manila 1951-

    Published 1977
    Visual Material

    Pathogenicity and control of nematodes on grapes (vitis vinifera Linnaeaus) [microform]

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