Himachal Journal of Agricultural Research

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Effect of Seed Coating on Seed Quality and Storability of Rice (Oryza sativa L.)


Affiliations
1 Department of Seed Science and Technology, CSK Himachal Pradesh Krishi Vishvavidalaya, Palampur-176 062, India
 

Freshly harvested rice seeds (var. HPR 1068) were given nine coating treatments viz. polymer coating, flowable thiram, polymer + flowable thiram, vitavax 200, polymer + vitavax 200, imidacloprid, polymer + imidacloprid, polymer + flowable thiram + imidacloprid, polymer + vitavax 200 + imidacloprid and used along with control to study the effect of seed coating on seed quality and storability in HPR 1068 variety of rice at Seed Technology Laboratory, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur during 2015-16. The coated seeds were shade dried and stored in HDPE (high density polyethylene) inter woven non-laminated bags for 12 months. Irrespective of seed coating treatments, seed deteriorated and the vigour declined with increased fungal infection after twelve months of seed storage. Seed coated with polymer @ 3 ml per kg of seed and vitavax 200 @ 2 g per kg of seed (T5) recorded the highest germination percentage (85.66 %), rate of germination (13.86), seedling length (14.30 cm), seedling dry weight (0.062 g) over the untreated control (To) and lowest electrical conductivity (0.223 m mho/cm/g) and seed infection (3.16 %) at the end of 12 months of storage. There was no insect infestation found during the storage period.

Keywords

Seed Coating, HPR 1068 Variety of Rice, Seed Quality, Storability.
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  • Effect of Seed Coating on Seed Quality and Storability of Rice (Oryza sativa L.)

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Authors

Anmol Sharma
Department of Seed Science and Technology, CSK Himachal Pradesh Krishi Vishvavidalaya, Palampur-176 062, India
K. C. Dhiman
Department of Seed Science and Technology, CSK Himachal Pradesh Krishi Vishvavidalaya, Palampur-176 062, India

Abstract


Freshly harvested rice seeds (var. HPR 1068) were given nine coating treatments viz. polymer coating, flowable thiram, polymer + flowable thiram, vitavax 200, polymer + vitavax 200, imidacloprid, polymer + imidacloprid, polymer + flowable thiram + imidacloprid, polymer + vitavax 200 + imidacloprid and used along with control to study the effect of seed coating on seed quality and storability in HPR 1068 variety of rice at Seed Technology Laboratory, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur during 2015-16. The coated seeds were shade dried and stored in HDPE (high density polyethylene) inter woven non-laminated bags for 12 months. Irrespective of seed coating treatments, seed deteriorated and the vigour declined with increased fungal infection after twelve months of seed storage. Seed coated with polymer @ 3 ml per kg of seed and vitavax 200 @ 2 g per kg of seed (T5) recorded the highest germination percentage (85.66 %), rate of germination (13.86), seedling length (14.30 cm), seedling dry weight (0.062 g) over the untreated control (To) and lowest electrical conductivity (0.223 m mho/cm/g) and seed infection (3.16 %) at the end of 12 months of storage. There was no insect infestation found during the storage period.

Keywords


Seed Coating, HPR 1068 Variety of Rice, Seed Quality, Storability.

References