Agro-Biological Characteristics of Some Dragon Fruit (Hylocereus spp.) Varieties Grown in North Viet Nam

Received: 30-12-2014

Accepted: 09-10-2015

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Issue: Vol. 13 No. 7 (2015)

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NÔNG HỌC

How to Cite:

Phuong, N., & Viet, N. (2024). Agro-Biological Characteristics of Some Dragon Fruit (Hylocereus spp.) Varieties Grown in North Viet Nam. Vietnam Journal of Agricultural Sciences, 13(7), 1070–1080. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1560

Agro-Biological Characteristics of Some Dragon Fruit (Hylocereus spp.) Varieties Grown in North Viet Nam

Nguyen Thi Phuong (*) 1 , Nguyen Hoang Viet 2

  • 1 Khoa Nông học, Học viện Nông nghiệp Việt Nam
  • 2 Viện Nghiên cứu Rau quả

    • Keywords

    Anatomy, chlorophyll a, chlorophyll b, dragon fruit, variety

    Abstract


    In the current research, we evaluated growth and some characteristics of four red-fleshed and one white-fleshed dragon fruit varieties. All varieties had high survivalrate and grew well in the first year. Among the varieties testedwhite-fleshed varietyT-TQ and red-fleshed variety TL4 had 100% plant survival and reached the collumn peak at 192 and 207 days after planting,respectively. The chlorophyll a, b, a+b content per gram of stem, and a/b ratio of all varieties were very low with 2 -3 x 10-2, 5.16 –6.06 x 10-2, and 1.01 –1.22,respectively. These results indicated that all tested varieties prefer high sunshine. Anatomical analysis of stems showedthat all varieties have high water, mineral, and carbohydrate conductance, of which T-TQ and TL4 had highest number of largebundle sheath and total bundle sheath with 41 and 56,respectively.

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