what are beneficial insects

Beneficial Mutations - Crop - Reported benefits after mutations Barley - Reduction in height, increased yield and day neutrality Groundnut - Improved oil content Wheat - Grain colour improved Rice - dwarfing, increased yield. In India, g induced mutations are carried out on seeds at Bhabh..

Crop - Reported benefits after mutations. Barley - Reduction in height, increased yield and day neutralit..

Insect Repellents - The chemicals like dimethyl phthalate, N, N-diethyl - meta - toulamide (Deet), N - N - diethyl benzamide are used as effective repellents against mosquitoes, flies and other insects. These are widely used in insect repellant body cream..

Insects of Food Crops - The growth and yield of food crops are also seriously damaged by various insects. Each insect attacks the crop in its own style and damage the crop to complete its own life cycle. The insects attack almost all parts of crop and the dam..

The growth and yield of food crops are also seriously damaged by various insects. Each insect attacks the crop in its own style and damage the crop to complete its own life cycle. The insects attack almost all parts of crop and the damage may be direct loss of ec..

Each crop has a large number of enemies in the form of insects, fungi, bacteria, weeds, rodents, mites etc unless they are controlled effectively, the crop yields would suffer very badly. To effectively control them, pesticides were recommended to be use..

If insect pests attack the plant by cutting, and destroying the root an insecticide like chloropyrophos is mixed in the soil to control it. If insect pests attack the plant by cutting the stem and leaves and it is a boring type of insect, it can be controlled by dust..

Name of the Crop Name of Insect-Pest Nature of Damage Control Measure Rice Gundhy bug Attack during post flowering period Spray monocrotophos Leaf hopper Attack on Leaves Spray monocrotophos Wheat Gujhia weevil Grubs feed on the roots and adults cut the ..

How long will it take for one small insect to produce a population of 16, when the population doubles every day? => 4 days or 16 days or 2 days or 6 days..

The harmful insects and disease causing plants are controlled by the application of their natural parasites and predators. 1) Baculo virusis infect the larval stage of many harmful insects such as wasps and beetles but are harmful to non target organisms. 2) Bacteria Bacillus t..