white-fly

“The kale is showing signs of white-fly infestation; those insects are a tenacious pain.”

The Washington Post: Groundwork: Planting that rises above

“If proper attention is given to ventilation and moisture, there will not be much danger from the green plant-louse (aphis) and white-fly, but at the first sign of one fight them to a finish.”

Home Vegetable Gardening — a Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use

“Air! water! and do not let the green plant-lice or the white-fly get a ghost of a chance to start.”

Home Vegetable Gardening — a Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use

“In greenhouses, the white-fly on cucumbers and tomatoes may be killed by overnight fumigation with 1 oz. of potassium cyanide to every 1000 cu.”

Manual of Gardening (Second Edition)

“The use of hydrocyanic acid gas in greenhouses is now coming to be common, for plant-lice, white-fly, and other insects.”

Manual of Gardening (Second Edition)

“The only things we use are Bacillus thuringiensis and sometimes a bit of oil spray when the white-fly gets too thick. ”

A Darker Place