A Manual for Citrus Growers1947 - 141 páginas |
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Página 59
... Fungus ( Armillaria root rot ) 9 - Septoria Spot 5 - Shell Bark ( lemons only ) Brown Rot Gummosis : This disease is caused by fungi resident in the soil . They are species of Phytophthora which attack the bark of the tree around the ...
... Fungus ( Armillaria root rot ) 9 - Septoria Spot 5 - Shell Bark ( lemons only ) Brown Rot Gummosis : This disease is caused by fungi resident in the soil . They are species of Phytophthora which attack the bark of the tree around the ...
Página 131
... fungus Phytophthora citrophthora - brown rot gummosis fungus P. hibernalis - brown rot fungus Pisum sativum arvense- Canadian field peas P. parasitica - brown rot fungus Platynota stultana - orange worms ( quite uncommon ) Pseudococcus ...
... fungus Phytophthora citrophthora - brown rot gummosis fungus P. hibernalis - brown rot fungus Pisum sativum arvense- Canadian field peas P. parasitica - brown rot fungus Platynota stultana - orange worms ( quite uncommon ) Pseudococcus ...
Página 137
... fungi 59 52 Pigweed .101 Micro - nutrient elements for Plow - sole 95 semi - arid soils 33 pH of soils 34 Micro ... fungus 59 , 73 , 74 Oil sprays 40 Raynor , D. S. , H. D. Chapman , S. M. Brown , on " Nutrient Deficiencies of ...
... fungi 59 52 Pigweed .101 Micro - nutrient elements for Plow - sole 95 semi - arid soils 33 pH of soils 34 Micro ... fungus 59 , 73 , 74 Oil sprays 40 Raynor , D. S. , H. D. Chapman , S. M. Brown , on " Nutrient Deficiencies of ...
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