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Many annual plants, or plants grown in frost free areas, can suffer from damage when the air temperature drops below 40 degrees Fahrenheit (4 degrees Celsius). Tropical plants may begin to experience cold damage when the temperature is 42 to 48 °F (6 to 9 °C), symptoms include wilting of the top of the stems and/or leaves, and blackening or ...
Gardenology.org is a wiki, launched in 2007, [1] meant to serve as a free, "complete plant and garden wiki encyclopedia." There are over 19,000 articles on the site, and a plant search box. [ 2 ] Gardenology.org is a "reference database with botany basics, cultivation , propagation , plant maintenance, glossary of botanical names and glossary ...
An orchid kept as a houseplant on an indoor windowsill. A houseplant, sometimes known as a pot plant, potted plant, or an indoor plant, is an ornamental plant that is grown indoors. [1] As such, they are found in places like residences and offices, mainly for decorative purposes.
Infected plants may produce a creamy white bacterial ooze when cut. The bacteria survive winter in the digestive tract of striped cucumber beetles and spotted cucumber beetles. In the spring when the beetles are feeding on susceptible plants, the bacteria, which are contained in the fecal matter of the beetles enters the plant through wounds in ...
On the other hand, as the VPD increases, the plant needs to draw more water from its roots. In the case of cuttings, the plant may dry out and die. For this reason the ideal range for VPD in a greenhouse is from 0.45 kPa to 1.25 kPa, ideally sitting at around 0.85 kPa. As a general rule, most plants grow well at VPDs of between 0.8 and 0.95 kPa.
Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Organisms that cause infectious disease include fungi , oomycetes , bacteria , viruses , viroids , virus -like organisms, phytoplasmas , protozoa , nematodes and parasitic plants . [ 2 ]
Home repair involves the diagnosis and resolution of problems in a home, and is related to home maintenance to avoid such problems. Many types of repairs are " do it yourself " (DIY) projects, while others may be so complicated, time-consuming or risky as to require the assistance of a qualified handyperson , property manager , contractor ...