Sentence examples for upon plant from inspiring English sources

Another type of injury is caused by leafhoppers that feed upon plant mesophyll tissue.

Flavins are synthesized by bacteria, yeasts, and green plants; riboflavin is not manufactured by animals, which therefore are dependent upon plant sources.

Fig. 5 Expression profiles of the rice EUL genes upon plant stress represented as fold change.

Slugs can have profound effects upon plant community structure and, by selective grazing, act as ecosystem engineers.

So far, present investigation indicates that R. communis different parts had promising antioxidant activities; however, antioxidant activities were variable depending upon plant parts and extracting methods.

Biochemical and structural analysis of isolated thylakoid membranes by electron microscopy indicates a distinctly different response at the level of PSII and LHCII upon plant acclimation.

In time, he will add 15 to 20 pounds to his 200-pound frame to better control the shuddering energy generated upon planting a fiberglass and carbon-fiber pole into a box while running at sprinter's speed.

As plants respond to these fluctuations by becoming smaller, animals that depend upon plants — from deer to rabbits to insects — will need to eat larger quantities of smaller plants, the scientists say.

In the lush valleys east of the Mississippi River, societies grew increasingly dependent upon plants such as amaranth, sumpweed, sunflower, and squash; their plentiful seeds and flesh provided a rich and ready source of food.

The phytoremediation of xenobiotics depends upon plant-microbe interactions in the rhizosphere, but the extent and intensity of these effects are currently unknown.

This study was designed as a first approximation of the ability of fly ash and/or biosolids to manage plant-parasitic nematodes through either direct control (via changes in pH, electrical conductivity (EC), metals) or by promoting bacterial, fungal, and non-plant-parasitic nematode activities (indirect control), which act negatively upon plant-parasitic nematode populations.