A vaccine against the coronavirus needs to keep people from getting very sick and dying. But preventing the spread of the disease is also important, and vaccines delivered by nasal spray may do that.

You could also try a copper or sulfur spray or ask your nurseryman for a systemic spray. Root rot, usually triggered by poor drainage, also strikes azaleas. With this fungus, ...

Q. My mango tree has fruit on it ready to pick in about one month. The leaves have black sooty growth on them. I was told I can’t spray the tree with fruit on it as the fruit would be poisoned.

QUESTION: In 2005, I planted three sourwood trees. Last year one tree developed spots on the leaves. I was instructed to use systemic spray containing Propiconazole. I gave it three ...

Last spring, we sprayed the trees and the ground with a systemic spray b... Get local news 24/7. SUBSCRIBE NOW! Show Search. Clear Search Query Submit Search. Read Today's Paper Saturday, July 1.

TheraBreath announced it has released a new oral spray intended to help support the body's immune system. The Immunity Support Oral Spray Supplement combines vitamins and minerals in a spray bottle ...

Rose expert Phil Edmunds is on a mission to renew interest in the big roses, the hybrid teas and grandifloras. He is one of the founders of Portland’s Best Rose contest held every year ...

Once the beetles are under the bark and have girdled the tree, there are no chemicals that will save the tree. Preventive spray insecticides should be applied by a professional before beetles emerge ...

A: Potted Easter lilies transplanted to the garden will naturalize and flower each spring. Divide when the plants get overcrowded or the flowers diminish in size. The ideal time to divide is in ...

Another new low-toxic systemic spray is acetimiprid. A related chemical, nicotine, was long used by gardeners as an insecticide but while good at killing the pests it was dangerous to the gardener.

We had a bad problem with apple maggots in two of our apple trees the last two years. Last spring, we sprayed the trees and the ground with a systemic spray before the fruit set. On one tree this ...