EFFECT OF GAMMA IRRADIATION AND PHOSPHORUS FERTILIZER ON GROWTH AND DEVELOPMENT IN THANH PHONG CHILI (Capsicum annum L.)

Trịnh Ngọc Ái; Nguyễn Tiến Dũng; Nghị Khắc Nhu; Nguyễn Minh Hiệp; Lê Văn Thức

doi:10.34238/tnu-jst.9351

EFFECT OF GAMMA IRRADIATION AND PHOSPHORUS FERTILIZER ON GROWTH AND DEVELOPMENT IN THANH PHONG CHILI (Capsicum annum L.)

About this article

Received: 05/12/23 Revised: 23/04/24 Published: 26/04/24

Authors

1. Trinh Ngoc ai, Tra Vinh University
2. Nguyen Tien Dung , TNU - University of Agriculture and Forestry
3. Nghi Khac Nhu, Tra Vinh University
4. Nguyen Minh Hiep, Dalat Nuclear Research Institute, Vietnam Atomic Energy Institute
5. Le Van Thuc, Dalat Nuclear Research Institute, Vietnam Atomic Energy Institute

Abstract

The study was conducted to find out the optimal gamma radiation dose and fertilizer level for growth and development in Thanh Phong chili. The effects of gamma radiation at different doses (0, 10, 20, 30, 40, 50 and 70 Gray) on seed germination, growth and development of Thanh Phong chili were investigated under invitro and green house conditions. After 14 days germination, the percentage of germination and partial length were recorded. Seedlings were planted and applied various phosphorus fertilizers (0, 1 and 3g/L) each 2 weeks/ time. The results indicated that 50 Gray irradiation was the highest percentage of germination (100%) and partial length (20.1 mm). The highest growth and development parameters were 75.3 cm for plant height, 101.3 leaves/plant, 14.6 branches/tree; 14.3 fruits/tree; 6.1 cm for fruit length; 9.2 mm for fruit width and 2.7g/fruit for fruit weight, 2670.2mg/g for capsaicin content at 50Gray combined 3g/L Phosphorus. The results that were found when combined between gamma irradiation with a suitable fertilizer will be improved yield in Thanh Phong chili variety.

Keywords

Chilli pepper; Gamma iradiation; Germination; Plant growth and development; Phosphorus

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DOI: https://doi.org/10.34238/tnu-jst.9351

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