A Manual for Citrus Growers1947 - 141 páginas |
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Página 63
... Septoria spots and Septoria tear staining on grapefruit . -Plates through courtesy of University of California Press . From revised " Color Handbook of Citrus Diseases . " [ 63 ] A B A b INCHES O C Quick decline of orange .
... Septoria spots and Septoria tear staining on grapefruit . -Plates through courtesy of University of California Press . From revised " Color Handbook of Citrus Diseases . " [ 63 ] A B A b INCHES O C Quick decline of orange .
Página 131
... Septoria limonum - fungus causing septoria spot Sesbania macrocarpa - wild hemp Soya max - soy beans Tetracnemus peregrinus - wasp parasite of longtail mealybug Tetracnemus pretiosa - wasp - parasite of citrophilus mealybug Tetranychus ...
... Septoria limonum - fungus causing septoria spot Sesbania macrocarpa - wild hemp Soya max - soy beans Tetracnemus peregrinus - wasp parasite of longtail mealybug Tetracnemus pretiosa - wasp - parasite of citrophilus mealybug Tetranychus ...
Página 138
... Septoria spot 59 , 76 Shell bark 59 , 71 Wahlberg , H. E. , on wind- breaks 77 Silver mite 48 Water Six spotted mite 47 Water , conversion table for Smoyer , Kenneth M. , on irriga- tion practices 11 measuring 22 Snail damage 65 Water ...
... Septoria spot 59 , 76 Shell bark 59 , 71 Wahlberg , H. E. , on wind- breaks 77 Silver mite 48 Water Six spotted mite 47 Water , conversion table for Smoyer , Kenneth M. , on irriga- tion practices 11 measuring 22 Snail damage 65 Water ...
Índice
Chapter Page 1 SOILS CLIMATE WATER | 2 |
CITRUS TREES | 4 |
IRRIGATION PRACTICES | 11 |
Direitos de autor | |
18 outras secções não apresentadas
Palavras e frases frequentes
100 gallons acid alkaline ammonia amount applied areas black scale boxes per acre brown rot carbon cause chemical chlorosis Citrus Diseases Citrus Experiment Station citrus fruits citrus growers Citrus Leaves citrus trees copper COST PER ACRE County cover-crops crop cultivation Cultural Cost damage dust effective fertilizer field boxes foliage fumigation fungus furrows grapefruit grove growth heavy inches injury insects irrigation irrigation water juice leaf lemons lime manganese deficiency manures material mealybug method mixture moisture Mutual Orange Distributors navel navel oranges nitrate nitrogen oil spray orchard organic matter packed boxes parasites percent pest control phosphate phosphorus plow-sole potash pounds production profitable pruning red scale red spider rind root zone rootstock Rough lemon scaly bark Septoria soil sucker sulphate sulphur symptoms temperature thrips treatment trifoliate orange trunk usually Valencia orange virus weeds windbreak wood young trees zinc deficiency zinc oxide zinc sulfate