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Department of Hortlculture

Introduction

Major research programs of the Department consist of germplasm collection and conservation, breeding and management of subtropical and tropical fruits, post harvest handling and processing of horticultural products.

Research Staff

J.W. Chang , Researcher
C. S. Kuan, Associate Researcher
S. F. Chang, Associate Researcher
Chen,C.N, Assistant Researcher
Hui-Wen Tsai, Contract Employee
C. H. Tang , Assistant Researcher

Recent Research Summary

1. Collection and Conservation of fruit Germplasm:

Conducting germplsm collection,conservation, propagation and characterization of subtropical and tropical fruits.The purposes are to supply information for germplasm exchange, scientific research and developing new varieties. Leader:S. F. Chang Tel:(05)2753115

A total of 800 varieties of subtropical and tropical fruits, belonging to 50 families,123 genera and 200 species, are maintained in the orchard.

A total of 800 varieties of subtropical and tropical fruits, belonging to 50 families,123 genera and 200 species, are maintained in the orchard.

The Musaceae families come from different parts of the world have different fruits appearance and gene type.

The Musaceae families come from different parts of the world have different fruits appearance and gene type.

2. Citurs cultivars improvement projects :

Including introduction, crossbreeding and production of healthy budwood source trees with shoot-tip grafting. Budwood source trees are preserved in isolated screenhouses. Among the 159 cultivar colledted,95 of them are specific-pathogen free by shoot-tip grafting and heat therapy and annual production of propagative material is two hundred thousand buds. Leader:Chen,C.N Tel:(05)2753128

Citrus budwood source trees protected under screen house

Citrus budwood source trees protected under screen house

P158-A productive hybrid originated from Tankan x pineapple orange with tender flesh and rich flavor

P158-A productive hybrid originated from Tankan x pineapple orange with tender flesh and rich flavor

3. Pineapple breeding and crop management:

To improve pineapple varieties by means of cross-breeding and clonal selection for developing table use varieties has been conducted. Meanwhile, crop management is emphasized .The department has bred and developed Tainung No.4, 6, 13, 16, 17, 18, 19 and 21 together, these varieties maintain the supply of fresh pineapple in Taiwan year-round. Leader:C. S. Kuan Tel:(05)2753133

Newly developed pineapple varieties Tainung No.19 and 21

Newly developed pineapple varieties Tainung No.19 and 21

Newly developed pineapple varieties Tainung No.19 and 21

Newly developed pineapple varieties Tainung No.19 and 21

4.Lychee breeding and crop management:

The Department selected several lines with good fruit quality (big fruit, high protion of chichen-tongued seeds), and stable yield various maturation seasons . Techniques to control alternate bearing have also been developed to improve production. Leader:J. W. Chang Tel:(05)2753101

Tainung No.1 Tsuey yuh, selected from Hal Yip x Yu Her Bau offspring. the first variety developed by means of cross-breeding in the world, with desirable characters

Tainung No.1 Tsuey yuh, selected from Hal Yip x Yu Her Bau offspring. the first variety developed by means of cross-breeding in the world, with desirable characters

5.Variety improvement and crop management of logan:

Germplasm collection, open pollination and seedling selection are conducted to develop new varieties with high quality and yield, and set up pruning patterns. Leader:J. W. Chang Tel:(05)2753101

Shui-Kon a promising local variety with high quality and yield

Shui-Kon a promising local variety with high quality and yield

6.Foundation stocks culture :

Selected high yield ,high quality and vigorous varieties for mother trees. By using STG (Shoot Tip Grafting) method for virus-free at Chia-yi Agriculture Experiment Station of TARI. There are 43 varieties,7 lines ,191 STG stocks for virus test .89 varieties ,10 lines, 341 breed's stocks and 23 varieties ,346 foundation stocks maintained in screen house at CAES. Up to now, totally 9,038 virus-free buds of ponkan, taukan, etc., had been released to Citrus Scion Nursery at CAES. The virus-free buds of other varieties will also be released to it in the near future. Leader:Z. M. Yang Tel:(05)2753125

The grafting technique of citrus topped meristem that operating under

The grafting technique of citrus topped meristem that operating under

The grafting plantlets of citrus topped meristem grew in tube

The grafting plantlets of citrus topped meristem grew in tube

7.Improvement of avocado varieties:

Variety introduction, open pollination and seedling selection to select scion varieties with high quality and yield, and rootstock resistant to Phytophthora root rot disease. Leader:Hui-Wen Tsai Tel:(05)2753137

New Avocado Cultivar ‘Tainung No.1 Tasty Red’ was released in 2008.

New Avocado Cultivar ‘Tainung No.1 Tasty Red’ was released in 2008.

New Avocado Cultivar ‘Tainung No.2 Green Gold’ was released in 2009

New Avocado Cultivar ‘Tainung No.2 Green Gold’ was released in 2009