A Manual for Citrus Growers1947 - 141 páginas |
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Página 59
... Brown Rot Gummosis 2 - Brown Rot 3 - Decline and Collapse 4 - Scaly Bark and other virus diseases 6 -- Quick Decline of sweet orange on sour orange rootstock 7 - Water Spot of Navels 8 - Oak Root Fungus ( Armillaria root rot ) 9 ...
... Brown Rot Gummosis 2 - Brown Rot 3 - Decline and Collapse 4 - Scaly Bark and other virus diseases 6 -- Quick Decline of sweet orange on sour orange rootstock 7 - Water Spot of Navels 8 - Oak Root Fungus ( Armillaria root rot ) 9 ...
Página 61
... brown rot gummosis . Brown Rot : This disease , affecting citrus fruits , is caused by the same fungi of the genus Phytophthora which cause brown rot gummosis . The damage is caused by spores of the fungus , which re- sides in the soil ...
... brown rot gummosis . Brown Rot : This disease , affecting citrus fruits , is caused by the same fungi of the genus Phytophthora which cause brown rot gummosis . The damage is caused by spores of the fungus , which re- sides in the soil ...
Página 131
... brown snail Helix pisana - white snail Holcocera iceryaeella ( Riley ) —orange holcocera Icerya purchasi ( Mask ) ... rot fungus Phytophthora citrophthora - brown rot gummosis fungus P. hibernalis - brown rot fungus Pisum sativum arvense ...
... brown snail Helix pisana - white snail Holcocera iceryaeella ( Riley ) —orange holcocera Icerya purchasi ( Mask ) ... rot fungus Phytophthora citrophthora - brown rot gummosis fungus P. hibernalis - brown rot fungus Pisum sativum arvense ...
Índice
Chapter Page 1 SOILS CLIMATE WATER | 2 |
CITRUS TREES | 4 |
IRRIGATION PRACTICES | 11 |
Direitos de autor | |
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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