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Field Problems of Tropical Rice

Contents

Page

Content

Page

Whorl maggot 4 Hoja blanca 97
Thrips 7,8 Orange leaf 98
Stem borers 11,12,15,16 Ragged stunt 101,102
Gall midge 19,20 Transitory yellowing 105
Brown planthopper 23 Tungro 106,109
Whitebacked planthopper 24 Yellow dwarf 110
Smaller brown planthopper 27 Yellow mottle 113
Rice delphacid 27 Stem nematode 114
Green leafhopper 28 Root-knot nematode 117
Zigzag leafhopper 28 Cyperus difformis 118
Leaffolder 31 Cyperus iria 121
Caseworm 32 Cyperus rotundus 122
Rice bug 35 Digitaria ciliaris 125
Armyworm 36 D.setigera 126
Cutworm 39 Echinochloa colona 129
Greenhorned caterpillar 40 Echinochloa crus-galli 130
Green semilooper 40 E.glabrescens 133
Rice skipper 43 Eleusine indica 134
Crickets 44 Fimbristylis miliacea 137
Short-horned grasshopper 44 Ipomoea aquatica 138
Ants 47 Ischaemum rugosum 141
Mealybugs 47 Leptocholoa chinensis 142
Hispa 48 Monochoria vaginalis 145
Leptispa 51 Oryza sativa 146
Mole cricket 52 Sphenoclea zeylanica 149
Black bugs 55 Nitrogen deficiency 150
Rats 56 Phosphorus deficiency 153
Birds 59 Potassium deficiency 154
Bacterial leaf blight 60,63 Sulfur deficiency 154
Leaf streak 64 silicon deficiency 157
Foot rot 67 Zinc deficiency 158
Stripe 68 Salinity 161
Blast 71,72 Alkalinity 162
Sheath blight 75 Iron toxicity 165
False smut 76 Peat (organic) 166
Brown spot 79 Boron toxicity 166
Narrow brown leaf spot 80 Aluminum toxicity 169
Stem rot 83 Managanese toxicity 169
Sheath rot 84,87    
Index 86,87    
Leaf scald 89    
Bakanae and foot rot diseases 90    
Gall dwarf 93    
Grassy stunt 94    
     
       

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