EFFECT OF DIFFERENT PRE-SOWING TREATMENTS ON GERMINATION OF PERSIAN WALNUT (Juglans Regia L.) IN RUKUM (EAST) DISTRICT, NEPAL

Rabin Thapa (), Sagar Lamichhane, Praseed Thapa and Kafil Ahamad
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Rabin Thapa: Department of Agricultural Economics and Agribusiness Management, Faculty of Agriculture, Agriculture and Forestry University, Chitwan, Nepal
Sagar Lamichhane: Agriculture and Forestry University, Chitwan, Nepal
Praseed Thapa: Department of Agricultural Economics and Agribusiness Management, Faculty of Agriculture, Agriculture and Forestry University, Chitwan, Nepal
Kafil Ahamad: Ministry of Agriculture and Livestock Development, Nepal

Tropical Agroecosystems (TAEC), 2021, vol. 2, issue 1, 57-61

Abstract: A field-based experiment was carried out in Rukum (East), Nepal, from February to June 2020, to assess the effect of different pre-sowing treatments on germination of Persian walnut. The experiment was carried out in a randomized complete block design with six treatments and four replications. The treatments included hot water treatment, chilling stratification only, cracking + Gibberellic acid (500ppm) followed by chilling stratification, cracking + Gibberellic acid (750ppm) followed by chilling stratification, Gibberellic acid (500ppm) + chilling stratification and Gibberellic acid (750ppm) + chilling stratification. The minimum days for germination (15.75 days) and highest germination (53.25%) were obtained when the combination of cracking with GA3 @ 750 ppm along with chilling stratification was done. The maximum shoot length (34.83 cm) was observed in the combination of cracking with GA3 @ 500 ppm followed by stratification but statistically similar shoot length (34.63 cm) was observed when cracking, application of GA3 @ 750 ppm followed by stratification was done. Cracking, treatment with GA3 @ 500 ppm followed by chilling stratification resulted in the highest shoot fresh weight (11.93 gm) and root fresh weight (10.77 gm) compared to the other treatments used. Thus, cracking along with treatment by GA3 @ 750 ppm followed by chilling stratification could be suggested to the walnut growers for better germination and a better morphological and physiological status of the rootstocks/seedlings.

Keywords: Persian walnut; GA3; chilling stratification; seed priming; germination (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbtaec:v:2:y:2021:i:1:p:57-61

DOI: 10.26480/taec.01.2021.57.61

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