Management and Biochemical Studies on Early Leaf Spot of Groundnut Incited by Cercospora arachidicola Hori.
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Date
2020
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College of Agriculture, Bikaner Swami Keshwanand Rajasthan Agricultural University Bikaner (Rajasthan)
Abstract
Groundnut (Arachis hypogaea L.) also known as peanut or
earthnut which belongs to the sub family Papilionaceae of the family
Leguminosae. It is an annual legume native to South America. The
Portuguese apparently introduced it to west Africa and then to
south western India in the 16 th century from Brazil. It is now grown in
most tropical, sub-tropical and warm temperate regions of the world
between 40° North and 40° South latitudes. Groundnut is unique
among all the leguminous crops and designated as “wonder legume”
in that after flowering, fertilization and fruit set, the pegs (Gynophores)
elongate and penetrate the soil (positively geotropic) where the fruit
enlarge and matures (Basu and Singh, 2004).