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111
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112
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113
A study on the host range of tungro and orange leaf viruses of rice [microform]
প্রকাশিত 1977Visual Material -
114
Some studies on the transmission of bacterial blight of rice through seed [microform]
প্রকাশিত 1977Visual Material -
115
Cross resistance in selected rice varieties to four species of stem borers [microform]
প্রকাশিত 1977Visual Material -
116
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117
Resistance to the brown planthopper Nilaparvata lugens (Stal) in rice varieties [microform]
প্রকাশিত 1977Visual Material -
118
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119
Resistance to striped borer, Chilo suppressalis Walker, in rice varieties and some of its possible causes [microform]
প্রকাশিত 1977Visual Material -
120
Population ecology of the rice green leaf-hopper, Nephotettix virescens (Distant) [microform]
প্রকাশিত 1977Visual Material