What are the major pest of maize?
Mashwani (1989) reported cutworm, army worm, earworm, grasshopper and aphids as the pests of maize in swat. These insects cause huge losses in maize crops. According to Khan (1967) the annual losses of maize stem-borer in maize crop run into million of rupees.
Which of the following pests attack maize crop?
There are four major pests of maize prevalent in India. These are spotted stem borer [Chilo partellus (Swinhoe)], pink stem borer [Sesamia inferens Walker], shoot fly [Atherigona spp.] and fall armyworm [Spodoptera frugiperda (J. E.
What is the storage pest of maize?
(b) contamination when material is put into a store that is already infested. When crops mature in the field they may be infested with storage pests: (a) maize, sorghum and other cereals can be infested by maize and rice weevils (Sitophilus spp.);
Which pest is recently introduced in maize?
The dreaded fall army worm (FAW) has started infesting kharif maize crop in the States such as Karnataka, Punjab and Himachal Pradesh, triggering concern among growers.
What is the best pesticide for maize?
Chemical control of eyespot has proven effective in Maize Growers Association trials. Fungicide mixes such as Comet (Pyraclostrobin) or Quilt Xcel (Azoxystrobin + propiconazole) have been shown to give six weeks protection and delay the eyespot infection.
How do you control pest in maize farm?
Chemical control of insects, pathogens and weeds has been shown to be the most effective technology for preventing losses in maize crops and increasing maize yields in SSA. Many different insecticides, fungicides and herbicides have been recommended for control of maize pests.
What pest affect corn?
Cutworms, wireworms, white grubs, seed corn maggots and lesser cornstalk borers may build up in grass sod or where previous crop residue has been left on the soil surface at planting. A herbicide burndown three to four weeks prior to planting can reduce infestation risks.
Which pest eats maize leaves?
The moth group (which includes cutworms, armyworms, earworms, borers, and grain moths) is the most damaging to maize worldwide, followed by the beetles (rootworms, wireworms, grubs, grain borers, and weevils).
What is the best insecticide for corn?
The Best Insecticides for Sweet Corn
- Sevin. According to the University of Kentucky, Sevin, also known as carbaryl, is one of the insecticides recommended for control of pests on sweet corn.
- Permethrin. Permethrin is another pesticide recommended for use on sweet corn crops.
- Bacillus Thuringiensis.
- Natural Predators.
What kind of insects eat corn?
Foliar, ear and root feeding insects can routinely cause economic losses to sweet corn if left untreated. The most important pests of sweet corn in Florida are the fall armyworm, corn earworm, lesser cornstalk borer, cutworms, corn silk fly, cucumber beetles, aphids, and wireworms.
What are the pests of maize?
These are pests that feed on and destroy the maize plants on the field. Most of their feeding activities leave the plant susceptible to diseases. Examples of field pests are; Stem borers (Chloe Partellus), Aphids, Grasshopper, Weevils, Silkworms and Armyworms. These pests cause devastating losses in maize crops.
Why is maize yield low in Africa?
Maize suffers from a number of insect pests that usually leads to a reduction in yield of the plant. In many African countries, the average maize yield per hectare is very low. These insect pests of maize cause damage to the plant and these cause stress to the plant.
How do termites damage maize seedlings?
Termites occasionally cause partial or total defoliation of maize seedlings but are principally damaging to maturing or mature plants. After about three months of plant growth, termites begin to attach the main root system, prop roots, and stems and eventually pack the stems with soil and cover them with tunnels made of thin sheets of soil.
How do you control green vegetable bugs in maize?
Green vegetable bugs (GVB) are widespread but irregular pests of maize during summer. Adults and nymphs feed by piercing and sucking on developing cobs, and may severely deform cobs. Although chemical control may be cost effective, there are currently no threshold levels for GVB in maize.