biological control of crop diseases

Plants often get infested with disease causing pathogens. The entire crop can be destroyed if they are not controlled in time. Pathogens are transmitted by seed and soil water air Seed soil and water borne diseases mostly attack roots and plant ste..

Most of the food crops are subjected to damage by insects and diseases. Large number of insects and diseases are recognized on every food crop. Control of insects and diseases is one of the great challenge posed to human knowledge. Althoug..

Seed soil and water borne diseases mostly attack roots and plant stem. Air borne diseases attack all aerial parts of the plant i.e. leaf, flower and fruit. Seed and soil borne diseases can be controlled by treating the seed and soil. Air borne dise..

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..

Immunity means the resistance of the host to infection and disease development. It is most effective and definite method of protecting a crop against the disease. It involves the developing and growing of disease resistant varieties of crop plants...

With world wide awareness about dangers of persisting pesticides in food crops, enormous interest is shown in food grown on organic farming principles. Such food is called organic food . Organic farming is a method of farming wherein synthetic chemical is not used in any form - either to ..

Rabi crops are more susceptible to insects and pests as against kharif crops as warm and humid climate is congenial for infestation. If field crops are infested with insects and pests, diseases or weeds, insect pest control, disease ..

Although India's food production has increased by 300 percent, percapita availability of food has reduced, in the last 50 years. Human food needs are met by cereals, millets, pulses, oilseeds, fishes, milk products, poultry birds, eggs and fishes. There is serious malnutrition problem in In..

="left"> Pulping quality More palatability Tomato More juice, thin skin Better processing value Coconut Bigger nut, thicker kernel Higher yield / more oil Wheat Higher protein content awnlessness Better nutritional value easy post harvest process Selection of crops and their varieties has..

) which is activated to grow into separate organism by suitable mixture of cytokinins and auxins. The success in tissue culture depends upon a) the precision and length of asceptic condition b) source of explants c) compositions and concentrations of nutrients media d) time and dosage of hormones s..