A Manual for Citrus Growers1947 - 141 páginas |
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Página 59
... DISEASES THE subject of diseases of citrus trees is a very big one and cannot be treated exhaustively in this Manual . To the untrained eye , the symptomatic appearance of several ailments is similar ... Fungus ( left [ 59 ] CITRUS DISEASES.
... DISEASES THE subject of diseases of citrus trees is a very big one and cannot be treated exhaustively in this Manual . To the untrained eye , the symptomatic appearance of several ailments is similar ... Fungus ( left [ 59 ] CITRUS DISEASES.
Página 70
... citrus diseases this Color Handbook will be found most helpful . ( Published by Uni- versity of California Press ) Scaly bark and other virus diseases , such as those listed in the following paragraph , have some leaf symptoms in common ...
... citrus diseases this Color Handbook will be found most helpful . ( Published by Uni- versity of California Press ) Scaly bark and other virus diseases , such as those listed in the following paragraph , have some leaf symptoms in common ...
Página 135
... Citrus blast 66 Citrus bud mite 47 Citrus , canned .117 Citrus nursery stock 4 5 Citrus oil 119 5 Citrus red spider 45 Beans ( small horse , soy , Citrus thrips 49 black eye ) .101 Citrus tree diseases 59 Beetle , Fuller's rose 51 Citrus ...
... Citrus blast 66 Citrus bud mite 47 Citrus , canned .117 Citrus nursery stock 4 5 Citrus oil 119 5 Citrus red spider 45 Beans ( small horse , soy , Citrus thrips 49 black eye ) .101 Citrus tree diseases 59 Beetle , Fuller's rose 51 Citrus ...
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