Author(s):

Chitra M, Archana A and Tamilselvi C

Abstract: Pre storage treatment plays a vital role in extending the storability of seeds to longer duration without appreciable loss in vigor and viability. Pulses are more sensitive to storage conditions than cereals. During storage heavy dosages of expensive pesticides are used in pulses but serious health hazards are in the long run. Therefore, it is essential to find a cost effective and non-toxic method for pest attack on stored crops. It is also considered that botanicals are safer alternatives to chemical insecticides due to secondary compounds in selected botanicals. Hence, with the objective of evolving eco-friendly seed treatment for black gram, present study was made to evolve plant products against seed quality deterioration with black gram. These black gram seeds were dressed by Terminalia chebula (seed), Terminalia bellirica (seed), Acorus calamus (rhizome), Andrographis paniculata, Curcuma longa and Carica papaya leaves powder for 28 days. Moisture content, germination percentage, vigor index and protein content were observed after 30 days, 60 days and 90 days period. Acorus calamus rhizome powder @ 3g / kg was effective for black gram seeds during storage that recorded minimum seed deterioration. An eco-friendly and dual purpose for seed treatment was developed.

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