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481
-
482
Cross resistance in selected rice varieties to four species of stem borers [microform]
Published 1977Visual Material -
483
Evaluation of weed control practices in transplanted rice [microform]
Published 1977Visual Material -
484
Ecological succession and control of insect pests affecting stored seeds of upland crops [microform]
Published 1977Visual Material -
485
Resistance to the brown planthopper Nilaparvata lugens (Stal) in rice varieties [microform]
Published 1977Visual Material -
486
resistance to the whitebacked planthopper Sogatella furcifera (Horvath) i rice varieties [microform]
Published 1977Visual Material -
487
Resistance to the yellow borer, Tryporyza Incertulas (walker) in rice varieties [microform]
Published 1977Visual Material -
488
Screening of new herbicides for the control of nutsedge (Cyperus rotundus.) in upland rice [microform].
Published 1977Visual Material -
489
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490