Article listing for:
Weeds, Pests and Diseases
| All about insect pests from their class and order to a description.
Millipedes: Class Diplopoda. Body segments each with two pairs of legs. Sowbugs: Order Isopoda. Flattened, oval-shaped arthropods with seven pairs of legs, found in damp places such as root houses, greenhouses, leaf mould. Mites, Praying mantis, Thrips, Centipedes, Earwigs, Walkin... |  |
| The pesticide groups Organophoshates and Carbamates inhibit the enzyme Cholinesterase thus interfering with the normal function of the nervous system. Insects, fish, birds, humans and any other animals that have Cholinesterase can be poisoned.
To understand how the chemicals affect the body, we need to know how the nervous system works. (See att... |  |
| Weed species do have one common characteristic: the ability to persist in the face of repeated habitat disturbance and periodic and near total destruction of above ground biomass. They tend to be competitive and adaptable and to multiply readily and spread easily. Characteristics: High output of seeds in favourable conditions. At least some output ... |  |
| In classifying insects, plants and fungi, points of similarity are used for the major divisions, and later the minor features influence the division of separate genera and species. Insects belong to Phylum Arthropoda which is the largest phylum in the Animal Kingdom. The most important distinguishing features common to adult members of Phylum Arthr... |  |
| A plant disease is a harmful alteration of the normal physiological and biochemical development of a plant. A plant is said to be diseased when physiological functions like photosynthesis, respiration, etc associated with the normal growth and development of a plant, are interfered with by a pathogen or unfavourable environment conditions. Five mos... |  |
| The insect body is one of the most successful to live on earth. The number of individual insects in the world is believed to be something like one thousand million thousand million. There are thought to be about three times as many species of insects as of all other kinds of animals put together. So far, man has described and named about 800,000 of... |  |
| Pest and disease control is important to maintain plant health and is a very important part of garden maintenance. Pests and diseases affect plants in many different ways and therefore many different methods of control are required. You need to be able to identify pests and diseases before you can control them. Identify whether it is a pest or dise... |  |
| Where chemical control methods are used: Pest Management Rating, Preservation of Natural enemy reservoirs outside pesticide-treated areas, Preservation of natural enemy reservoirs within pesticide-treated areas. Where non-chemical control methods are used: Cultural methods, Resistant varieties, Biological control.
Why pest management was deve... |  |
| Plant disease is a harmful alteration of the normal physiological and biochemical development of a plant. A plant is said to be diseased when physiological functions like photosynthesis, respiration, etc associated with the normal growth and development of a plant, are interfered with by a pathogen or unfavourable environment conditions. Pest Would... |  |
| FAMILY: POACEAE (GRASSES)
FAMILY: BRASSICACEAE
FAMILY: ASTERACEAE
FAMILY: FABACEAE
FAMILY: CYPERACEAE
FAMILY: OXALIDACEAE
FAMILY: EUPHORBIACEAE
FAMILY: POLYGONACEAE
FAMILY: PORTULACACEAE
FAMILY: SALVINIACEAE
FAMILY: AMARANTHACEAE
FAMILY: CARYOPHYLLACEAE
FAMILY: PRIMULACEAE
FAMILY: ZYGOPHYLLACEAE
FAMILY: CRASSULACEAE
FA... |  |