Oak pit scales: Control possible with emulsion-type foliage oil and toxaphene spray
1950
A Pritchard | R Beer
Oak pit scales are serious pests of oak trees in California. Terminal growth, branches, and smaller trees are often killed as a result of the feeding scales, and large trees may be weakened seriously. Experimental work indicates that oak pit scales may be controlled.
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California Agriculture
Том
4
Выпуск
4
ISSN
0008-0845 | 2160-8091
Издатель
University of California Agriculture and Natural Resources
Язык
Английский
2024-12-11
DOAJ
Поставщик данных
Эту запись предоставил Directory of Open Access Journals
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