Science news articles about 'needle retention'

... green foliage, pleasant aroma, and excellent needle retention. Consumer surveys indicate that the shape ... affecting Christmas tree selection, followed by needle retention, species, and price. Traditionally, Americans ...

... Fraser fir for its conical shape, dark green foliage, pleasant aroma and excellent needle retention ...

... , and find out what effect the chemicals had on the quality (needle retention and moisture status) of the trees. Surprisingly, neither product tested in the study showed any ...

... and AVG. After exposing the branches to one of these two products, the needle retention period rose to 73 and 87 ... . "What is really encouraging is that we managed to double the needle retention period of the branches," notes Steeve ...

... , strong branches, exceptional needle retention, and natural Christmas tree shape. Frasers, indigenous to isolated high-elevation mountains ...

... Christmas, my tree is barely holding on--to its needles, to its stiffness, and to its dignity. It was an early tree this year ... Christmas tree. Their conical shape, superb needle retention and sturdy boughs make them ...