Scale insects can be difficult to identify. At a first glance, they look like small bumps on the stems of leaves of your plants, making them easy to mistake as part of the plant itself. But beneath ...

Crape myrtles, an ornamental tree popular in landscapes throughout the state of Delaware, are prized for their beauty, exfoliating bark in shades of silver and cinnamon, and long-lasting flowers in a ...

I got an email with some pictures a few years ago asking me about magnolia scale, which is a topic I have written about for a number of years. I feel confident the insect was magnolia scale. The ...

We enjoy magnolia trees for their beautiful early spring flowers, but in summer they sometimes get downright ugly. Gardeners may notice a fuzzy black coating on branches or a sticky glaze that ...

Researchers from Wageningen University & Research (WUR) and Leiden University have engineered a biological barrier that protects plants from diseases and pests. It concerns a sticky substance that is ...

Mentor(s): Zheng Li, Ph.D. The extensive production of wax is a key innovation that has promoted the protection of scale insects (Ross et al. 2009). Wax biosynthesis is controlled through the ...

Many people have a potted citrus plant or two that they keep indoors during the winter and move outdoors for the summer. It may be one of those dwarf trees that produce full-sized fruit. Or it could ...

Add Yahoo as a preferred source to see more of our stories on Google. Williams: to any question that did not involve scale insects, his usual answer was ‘I’ll think about it’ Douglas Williams, the ...