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141
Virulence of Xanthomonas oryza isolates in the Philippines [microform]
Julkaistu 1977Visual Material -
142
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143
The biology and control of the rice leaf whorl maggot, Hydrellia philippina ferino (Ephydridae, Diptera)
Julkaistu 1976Visual Material -
144
The yield reduction of rice caused by mechanical and actual rat damage [microform]
Julkaistu 1976Visual Material -
145
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146
Effect of chemical pesticides on the development of fungi pathogenic to some rice insects [microform]
Julkaistu 1976Visual Material -
147
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148
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149
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150
Further assessment of rice yield loss due to bacterial leaf blight [microform]
Julkaistu 1975Visual Material