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741
Evaluation of weed control practices in transplanted rice [microform]
Published 1977Visual Material -
742
Ecological succession and control of insect pests affecting stored seeds of upland crops [microform]
Published 1977Visual Material -
743
Resistance to the brown planthopper Nilaparvata lugens (Stal) in rice varieties [microform]
Published 1977Visual Material -
744
The penetration and infection of Pythium arrhenomanes on corn roots [microform]
Published 1977Visual Material -
745
Tobacco leaf curl virus its transmission, virus-vector relationship, and host range [microform]
Published 1977Visual Material -
746
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747
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748
Resistance to striped borer, Chilo suppressalis Walker, in rice varieties and some of its possible causes [microform]
Published 1977Visual Material -
749
Population ecology of the rice green leaf-hopper, Nephotettix virescens (Distant) [microform]
Published 1977Visual Material -
750
resistance to the whitebacked planthopper Sogatella furcifera (Horvath) i rice varieties [microform]
Published 1977Visual Material