Flower Induction with Chemicals in 'Cat Hoa Loc' Mango Trees Grown in the Mekong Delta in Viet Nam.

• TRAN VAN Hau

  <I>Crop Science Dept., College of Agriculture, Can Tho University</I>

• RADANACHALESS Tavatchai

  <I>MCC, Faculty of Agriculture, Chiang Mai University</I>

• ISHIHATA Kiyotake

  <I>Faculty of Agriculture, Kagoshima University</I>

• SHIOYA Tetsuo

  <I>International Environmental and Agricultural Science Integrated Department, Tokyo University of Agriculture & Technology</I>

Bibliographic Information

Other Title

• ヴェトナム, メコンデルタにおけるマンゴー‘キャトホーロック’の花成誘導に及ぼす生長調節剤の影響

Abstract

Off-season floral induction in ‘Cat Hoa Loc’ mango by using paclobutrazol, potassium nitrate and “Chemical Compound Inducing Flowering”, a chemical product developed at Can Tho University (abbr. CTU) consisting of potassium nitrate, phosphoric acid and minor elements was carried out in Cao Lanh district, Dong Thap province, Viet Nam from May 1996 to May 1997. Paclobutrazol was applied at the rate of 5g per tree by collar drenching, while KNO₃ and CTU were used at a concentration of 15g/1 and applied twice as a foliar spray.<BR>The results showed that the floral induction chemicals were able to induce flowering in ‘Cat Hoa Loc’mango in September except for the treatment of 6-year-old trees with KNO₃. Off-season flowering was extended until the end of December. Paclobutrazol was the most effective chemical compared with both KNO₃ and CTU. It induced flowering at 85 days after the treatment 4.3 times in about 15.6% of the total number of shoots per tree compared to less than 3 times and less than 6% of the total number of shoots per tree in the case of other chemicals and control treatments. Flowering of the control occurred in November.<BR>Off-season harvest extended from December 1996 to March 1997. The fruits in which flowering was induced by paclobutrazol were harvested in early of December, 85 days after flowering (4 harvests) . The highest off season yield (35.3kg/tree) was obtained with the paclobutrazol treatment in 8-year-old trees. However, the chemical treatments did not promote flowering in 6 and 7-year-old trees.

Journal

• Japanese Journal of Tropical Agriculture

  Japanese Journal of Tropical Agriculture 46 (2), 59-65, 2002

  Japanese Society for Tropical Agriculture

Keywords

• flower induction
• ‘Cat Hoa Loc’
• potassium nitrate
• paclobutrazol
• off-season
• mango

Details

• CRID: 1390001206358513280
• NII Article ID: 130004373785
• NII Article ID: 110003709828
• NII Book ID: AN00199779
• DOI: 10.11248/jsta1957.46.59
• COI: 1:CAS:528:DC%2BD38XmsVCms7o%3D
• ISSN: 21850259
• ISSN: 00215260
• NDL BIB ID: 6181926
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I6181926
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
• Abstract License Flag: Disallowed