IMPACT OF SEED PRIMING AND SEED COATING TECHNIQUES ON RESISTANCE TO WATER STRESS IN GREENGRAM CV. CO 8

K. MALARKODI¹*
¹Agricultural Research Station, Bhavanisagar, 638451, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
* Corresponding Author : jujumalar2000@gmail.com

Received : 06-01-2020     Accepted : 27-01-2020     Published : 30-01-2020
Volume : 12     Issue : 2       Pages : 9431 - 9435
Int J Agr Sci 12.2 (2020):9431-9435

Keywords : Seed Priming, Seed Coating, Nutricoat Polymer
Academic Editor : Vipul N Kapadia, Rajpal Diwakar
Conflict of Interest : None declared
Acknowledgements/Funding : Author is thankful to Agricultural Research Station, Bhavanisagar, 638451, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
Author Contribution : Sole Author

The field trails were raised during Kharif 2017, Rabi 2017-18, Kharif 2018 and Rabi 2018-19 to evaluate the effect of seed priming and seed coating techniques on productivity of green gram under water stress condition. The seeds were given with various treatments viz., Seed priming with water by adopting seed to solution ratio of 1:1 (T2), Seed coating with TNAU seed coating polymer (4g / kg of seed) (T3) and Seed priming + Seed coating (T2 +T3 = T4 ) and sown along with control seeds at different irrigation levels i.e., irrigation at IW/CPE ratio of 0.60 (M1), irrigation at IW/CPE ratio of 0.48 (M2) and irrigation at IW/CPE ratio of 0.36 (M3). The result revealed that seeds of greengram cv.CO 8 exposed to seed priming with water (seed to solution ratio of 1:1) + seed coating with TNAU Nutricoat Polymer (4g / kg of seed) (T4) recorded significantly higher seed yield per hectare of 1501 and 1570 kg/ha, respectively during Kharif and Rabi (pooled data of two years) by registering 20.3 and 21.6% increased yield over control irrespective of the irrigation level in addition higher yield attributing characters. Among the different irrigation levels, crop raised by using treated seeds under IW/CPE ratio of 0.48 (M2) recorded significantly higher seed yield 1409 kg/ha during Kharif and 1465 kg/ha during Rabi followed by IW/CPE ratio of 0.36 (M3) and IW/CPE ratio of 0.60 (M1) highlighting the suitability of said seed treatment under water stress condition.

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