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Página 5
... different from those of the interior . Although applicable strictly to the interior there is included information that should prove helpful to all growers who spray or fumigate . It is well known that by late spring Black Scale.
... different from those of the interior . Although applicable strictly to the interior there is included information that should prove helpful to all growers who spray or fumigate . It is well known that by late spring Black Scale.
Página 6
Sunkist Growers. Pest Control Department. It is well known that by late spring Black Scale has migrated largely to the branchlets where they develop rapidly into large black shells filled with eggs . The infestation is usually most ...
Sunkist Growers. Pest Control Department. It is well known that by late spring Black Scale has migrated largely to the branchlets where they develop rapidly into large black shells filled with eggs . The infestation is usually most ...
Página 5
... spring . Trees are largely stripped of fruit at this time and scale on fruit , whether living or dead , is removed with these picks . Folowing these picks , the living scale is left largely on the wood . ( 2 ) The greatest injury from ...
... spring . Trees are largely stripped of fruit at this time and scale on fruit , whether living or dead , is removed with these picks . Folowing these picks , the living scale is left largely on the wood . ( 2 ) The greatest injury from ...
Página 4
... spring the shedding of old foliage has been heavy if not excessive and on oranges has been replaced quite generally by an abundant new leaf growth . Orange orchards in general present a more normal appearance than they have for several ...
... spring the shedding of old foliage has been heavy if not excessive and on oranges has been replaced quite generally by an abundant new leaf growth . Orange orchards in general present a more normal appearance than they have for several ...
Página 5
... spring mois- ture all combined toward producing a considerable ultimate mortality . The persistent and widespread insecticide campaign which had been waged against the black scale for three or four years had been creating an ...
... spring mois- ture all combined toward producing a considerable ultimate mortality . The persistent and widespread insecticide campaign which had been waged against the black scale for three or four years had been creating an ...
Palavras e frases frequentes
100 per cent Angeles County aphis application Calif cc dosage cent dosage cent strength citricola scale citrus thrips color combination treatment commercial control condition crop damage district Eastern Los Angeles effective emulsions Entomologist followed by fumigation fruit fly gallons groves grower hatch heavy infestations heavy oil injury insect insecticide July or August larvae late autumn light infestations Lime Sulfur Los Angeles County mealybug Mediterranean fruit fly medium oil sprays Navel non-soap oil and Lime oil emulsion Orange County orchards packing house past season Peerless pest control picks preferred purple scale Recommendations for Control red scale control red spider resistant black scale Riverside County San Bernardino County Santa Barbara County scale kill spider control spreader straight oil sprays sulfur dust sulphur summer Triona Triple X Heavy Triple X Medium Triumph and Lime Triumph oil Valencias Ventura County Volck Concentrate Volck Medium Western San Bernardino Whittier winter fumigation yellow scale