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A 1987 study found evidence of a possible biocontrol strategy for bacterial wilt of turf grass. The researchers found that antiserum to Pseudomonas fluorescens or Erwinia herbicola from hosts which have survived infections by the corresponding pathogens is capable of reducing wilt symptoms in turf grass caused by Xanthomonas translucens. The ...
Reddish lesions at first then enlarges and becomes white to light brown in the centre. Circular and varying in size. Can appear concentric with red margins. Leaf spot on most cereals and grasses, field crops, vegetables, ornamentals, and trees. Myrothecium roridum: Target-like spots with light brown centres and dark circumference on Gardenia ...
Forsythia are deciduous shrubs typically growing to a height of 1–3 m (3 ft 3 in – 9 ft 10 in) and, rarely, up to 6 m (20 ft) with rough grey-brown bark. The leaves are borne oppositely and are usually simple, though sometimes trifoliate with a basal pair of small leaflets; they range between 2 and 10 cm (0.79 and 3.94 in) in length and, rarely, up to 15 cm (5.9 in), with a margin that is ...
The first sign your peace lily is thirsty will be yellowing and wilting leaves. By the time the leaves turn brown, they’re dying, and your plant needs you to get busy with a watering can ...
Fall is the best time to fertilize your lawn if you live in the north. Cool-season grasses, such as bluegrass, fescue, and ryegrass, respond well to feeding in early September and late fall (end ...
Discolored grass: A lawn with yellow or brown patches may be due to dull lawn mower blades tearing through the grass instead of cutting it. The torn edges are more vulnerable to yellowing or ...
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This native shrub has small glossy leaves that turn many shades of red in the fall. Both red chokeberry and black chokeberry have clusters of small white flowers in spring and small berries in the ...