June 16, 2000

EPA Fact Sheets on Mosquito Control


The US EPA has released five new consumer fact sheets about mosquito control insecticides. Topics covered include mosquito prevention techniques, the risks and benefits of pesticides used in mosquito control, and EPA's role in supporting state and local mosquito control programs.

The mosquito control fact sheets are:

Questions and Answers: Pesticides and Mosquito Control For Your Information: Larvicides for Mosquito Control For Your Information: Synthetic Pyrethroids for Mosquito Control For Your Information: Naled for Mosquito Control

Predicting the Harvest Time for the Flowering Vegetables


It is often difficult to estimate when vegetable crops will be ready to be harvested. Weather conditions effect growth and development of the crop and can advance or delay maturity. For flowering vegetables, days from flowering provides a fairly accurate determination of harvest time.

Days from Flowering to Maturity

Crop Time (Days) Bean, snap 7-10 Corn, sweet 15-23 (from silking) Cucumber, slicing 15-18

Summer Pruning of Raspberries


To maximize yields, raspberries must be pruned in spring and summer. The pruning procedures for red, black, and purple raspberries are based on the growth and fruiting characteristics of the plants.

Though overlooked by some gardeners, summer pruning of raspberries is extremely important. After the last summer harvest, promptly remove the old fruiting canes at the soil surface. To help reduce disease problems, the pruned material should be removed from the garden and destroyed.

A Tale of Two Beetles


Recent interest in the Japanese beetle has prompted questions about two other large "unusual" beetles that are moderately common throughout Iowa. Here are descriptions that should help identify the good, the bad and the ugly.