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771
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772
Perennial nutsedge (Cyperus rotundus L.) competition with upland rice and its chemical control [microform].
Published 1977Visual Material -
773
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774
Resistance to the brown planthopper, Nilaparvata lugens (Stal) in the rice varieties [microform].
Published 1977Visual Material -
775
The inheritance of resistance to green leafhopper, nephotettix virescens distant, in some rice varieties [microform].
Published 1977Visual Material -
776
Effects of temperature and light on transmission of rice tungro disease [microform].
Published 1977Visual Material -
777
Meloidogyne incognita its effects on tomato yield and some methods of its control [microform].
Published 1977Visual Material -
778
Relation between chemical constituents of rice leaves and resistance to the blast disease [microform].
Published 1977Visual Material -
779
Bacterial soft rot of papaya (Carica papaya L.) in the Philippines [microform].
Published 1977Visual Material -
780
Mating habits and sex attraction in striped rice stem borer, Chilo suppresalis Walker (Pyralididae Lepidoptera) [microform]
Published 1977Visual Material