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Showing posts from February, 2017

Disease management of brinjal

Bacterial Wilt:  Symptoms:       - Wilting ( loss of water from leaves), Stunting( results in dwarfing and loss of vigor), yellowing of the foliage, and finally entire plant will break down.       -The vascular system becomes brown in color.       -Plants show wilting symptoms in afternoon times, will recover at nights but it will die soon.       -Lower leaves will drop first before wilting occurs.     Management:       Crop rotation with cruciferous vegetables such as cauliflower helps in reducing the spreading of disease.

Organic Manures

These are derived from organic sources like the plant, animal, and human residues. Among these are bulky organic manures such as farmyard manure(FYM), compost, concentrated manures like Oil-Cakes, and various products of animal origin like dried blood, fish manure..etc. are added in the soil, to improve the physical condition of the soil, replenish and maintain it's human status via soil organic matter, create optimum conditions for the activities of soil microorganisms and contribute a small part of the plant nutrients removed by the crops or otherwise lost through leaching and soil erosion. The plant-food elements contained in manure are released in an available form upon decomposition by soil microorganisms. The main role of this manure is to add organic matter and humus content. Biofertilizers or bio inoculants: These are the preparations containing microorganisms beneficial to agricultural production in terms of nutrient supply, especially N and P. Fertilizer and thei