Gardening Answers Knowledgebase
Knowledgebase record #69
|Garden Tool||Gypsy moth is often in the news and with it comes the promise of aerial spraying of Btk by the department of agriculture. While the idea of the government spraying pesticides over an entire neighborhood may be frightening, a gypsy moth out-break would be devastating to the trees of the Emerald City or any city. Gypsy moths defoliate over 500 species of trees, both deciduous and evergreens. |
Bacillus thuringiensis var. kurstakiis a bacterium that affects only caterpillars. It is considered an acceptable pesticide by organic gardeners, provided it used only when really needed. The major caterpillar pests in our area include:
|Keywords||Biological control, Insect pests--Control, Pesticides and wildlife, Trees--Diseases and pests|
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August 12 2015 11:50:30