black stem造句

• Chinery-Hesse also made the list of 15 Black STEM Innovators.
• Phoma Black stem has also been known to occur in regions of Europe and Asia.
• It has black stems and large flat pinnules.
• The soft green fronds are triangular, with numerous fan-shaped segments on each frond, with black stems.
• Herbarium specimens have an almost black stem.
• Phoma black stem is one of the most common diseases affecting the sunflower plant in North America.
• In horticulture, " Salvia reptans " reaches 3 feet wide or more with abundant thin, black stems.
• If you see pale green areas that darken, and shriveled, black stems, the problem could be bacterial.
• The black stems separating the gold band signify the points of the compass and the county's nautical history.
• A total of 185 suspicious samples of sunflower black stem disease were collected and all were found from imported hybrid seed fields.
• I have already ordered Colacasia fontanesii, a giant taro that has 7-foot purple-black stems with 3-foot green heart-shaped leaves with a shiny black cast.
• The delicate fronds grow to 5 30 cm long, and are fan-shaped, light to medium green with black stems ( stipes and rachises ).
• Spring black stem mostly occurs during spring season because spring s cool and moist weather condition is the perfect environment for the infection to spread.
• It is specific to a particular black stem aphid ( " Cinara confinis " ), which feeds on the sap of coniferous trees, particularly firs ( " Abies " ).
• Common barberry has also played havoc with commercial agriculture, especially in the Midwest, by serving as an alternative host to black stem rust, a devastating disease of wheat and other cereal crops.
• There are a large number of unusual willows, with a whole range of twig and catkin color, including the purplish-black stems and catkins of Salix melanostachys and the rosy catkins of S . gracilistyla.
• On toward a yellow birch, we were stopped dead in our tracks by a massed planting of winterberry holly ( Ilex verticillata ), whose clusters of Chinese red berries were in elegant contrast to their gray-black stems.
• Ug99 and its variants differ from other strains of the Black Stem Rust ( BSR ) pathogen due to their ability to overcome resistance genes in wheat that have been durable against the BSR pathogen for decades.
• As Hooker put their appearance : " " In the winter, these naked black stems, projecting from the beetling cliffs, or towering above the snow, are in dismal keeping with the surrounding desolation of that season . " ".
• Printer and typeface designer Frederic Goudy was one supporter of this view, feeling that " the strong contrast between the over-black stems of the capitals and the light weight stems in the lower-case . . . makes a'spotty'page ".