Maintenance of seed longevity of carrot (Daucus carota L.) Singh Poonam*, Maurya CL, Vyas RP1, Srivastava Meera Department of Seed Science and Technology, C.S. Azad University of Agriculture and Technology, Kanpur-208 002, (Uttar Pradesh), India 1Department of Genetics and Plant Breeding, C.S. Azad University of Agriculture and Technology, Kanpur-208 002, (Uttar Pradesh), India *Email of corresponding author: psingh08@rediffmail.com
Online published on 15 October, 2015. Abstract An experiment was conducted to study the storage behaviour of carrot (Daucus carota L.) seeds (variety ‘Kalyanpur Sunhari’) when treated with insecticides, viz. nimbicidine (5 ml kg−1) and deltamethrin (40 mg kg−1) and fungicides, viz. thiram (2 g kg−1) and bavistin (2 g kg−1) and Trichoderma virdi (4 g kg−1) and packed in cloth and 300 gauge polythene bags at prescribed moisture content for 14 months under ambient condition. Untreated seeds could not maintain the longevity up to the minimum seed standard (certification) of germination (60%) after 8 months of storage due to the decline in seed quality with the reduction of 31.56, 67.04, 75.15, 36.84, 78.80 and 4.10% in germination, SVI-I, SVI-II, seedling dry weight, seedling length and cell membrane performance, respectively. Deltamethrin (40 mg kg−1) maintained maximum 14 months seed longevity in both packaging of 300 gauge polythene and cloth bag with 73.40 and 67.99% germination, 650.00 and 529.00 SVI-I, 9.40 and 9.00 mg seedling dry weight, 772.20 and 637.00 SVI-II, 8.80 and 8.80 cm seedling length and 1.25 and 1.25 dS m−1 electrical conductivity, respectively, followed by bavistin (2 g kg−1) and nimbicidine (5 ml kg−1) in 300 gauge polythene packaging with 65.99 and 60.00% germination, respectively. Top Keywords Ambient storage, Daucus carota, Longevity, Packaging, Seed treatment. Top |