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It infects grapevines, causing chlorosis of the leaves and lowering the fruit quality. [2] Because of its effect on grape yield, GFLV is a pathogen of commercial importance. It is transmitted via a nematode vector, Xiphinema index. [3] This nematode acquires the virus through feeding on roots of an infected plant, and passes it on in the same ...
Acacia amblygona, commonly known as fan wattle or fan leaf wattle, [2] is a species of flowering plant in the family Fabaceae and is endemic to continental Australia. It is a sprawling, sometimes prostrate shrub with sharply-pointed, lance-shaped, tapering phyllodes, golden-yellow flowers arranged in a spherical head of 10 to 18 in the axils of phyllodes, and curved, coiled or twisted pods up ...
Diphasiastrum digitatum is known as groundcedar, running cedar or crowsfoot, along with other members of its genus, but the common name fan clubmoss can be used to refer to it specifically. It is the most common species of Diphasiastrum in North America .
In systematic virus infections leaf spots caused by viruses show a loss of green colour in leaves, due to chlorosis which is a repression of chlorophyll development. [1] Leaves may yellow and have a mottled green or yellow appearance, show mosaic (e.g. chlorotic spotting) and ringspots (chlorotic or necrotic rings). [7]
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Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
“A yellow light warns that the light is changing from green to red,” the Georgia Department of Driver Services says, adding that drivers should “slow down and prepare to stop.”
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