A Manual for Citrus Growers1947 - 141 páginas |
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Página 41
... SULPHUR MATERIALS , such as lime sulphur solution , wettable sulphur and dusting sulphur , are satisfactory for control of thrips , yellow mite , bud mite and the rust or silver mite . They depend in their action upon the presence of ...
... SULPHUR MATERIALS , such as lime sulphur solution , wettable sulphur and dusting sulphur , are satisfactory for control of thrips , yellow mite , bud mite and the rust or silver mite . They depend in their action upon the presence of ...
Página 48
... sulphur . SILVER MITE or RUST MITE is very closely related to the citrus bud mite and differs from it mainly in its ... sulphur dust and lime sulphur spray must be relied upon . CITRUS THRIPS CITRUS THRIPS . This insect feeds on young.
... sulphur . SILVER MITE or RUST MITE is very closely related to the citrus bud mite and differs from it mainly in its ... sulphur dust and lime sulphur spray must be relied upon . CITRUS THRIPS CITRUS THRIPS . This insect feeds on young.
Página 49
... sulphur solution of two percent with the addition of four pounds of wettable sulphur to 100 gallons of water , applied at the time the blossom petals have fallen , is used to some extent as an alternative measure with generally ...
... sulphur solution of two percent with the addition of four pounds of wettable sulphur to 100 gallons of water , applied at the time the blossom petals have fallen , is used to some extent as an alternative measure with generally ...
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