Institute of Vegetable and Floriculture Science, NARO

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The Institute of Vegetable and Floriculture Science, NARO (NIVFS) conducts basic and innovative research to support the breeding and cultivation of vegetables and ornamental plants, reduction of environmental impact, and development of technologies for sustainable production, improvement of quality, and efficient distribution etc.

NIVFS News

Identification of the genes involved in asparagus stem blight resistance

Press release on 2 Jun 2017

mendelian A collaborative research of Tohoku University, NARO Institute of Vegetable and Floriculture Science, Kagawa Prefectural Agricultural Experiment Station, and Kyushu University revealed the mechanism underlying the resistance of Asparagus kiusianus, a wild relative of cultivated asparagus (A. officinalis) against stem blight disease caused by Phomopsis asparagi. Transcriptome analysis of the two species after inoculation with P. asparagi identified the genes related to asparagus stem blight resistance. The results are expected to contribute to the development of the world's first stem blight-resistant asparagus variety that will eventually reduce the application of chemical fungicides and reduce the production cost of domestically produced asparagus. Read more.


Alteration of traits in chrysanthemum by genome editing

Press release on 10 Mar 2017

mendelian Mutations in chrysanthemum have been successfully introduced by gene editing technology. This is the first report in the world of genome editing in a higher polyploid plant, chrysanthemum which has been difficult due to its large genome with very little information available so far. Researchers from the Institute of Vegetable and Floriculture Science, NARO have succeeded in obtaining a chrysanthemum with mutation in yellowish-green fluorescent protein gene inducing reduction in fluorescence by editing the genome of a transgenic chrysanthemum expressing the fluorescent gene and generating axillary bud derived plants. The genome editing technology is expected to become a promising method in improvement and breeding of chrysanthemum cultivars. Read more.


Elucidation of a new mechanism of the Mendelian dominant-recessive interactions between multiple alleles

Press release on 26 Dec 2016

mendelian A joint research of the Nara Institute of Science and Technology, NARO Institute of Vegetable and Floriculture Science, Tohoku University, Kobe University, Osaka Kyoiku University and the University of Tokyo revealed for the first time in over 100 years that the Mendelian dominant-recessive interactions between multiple alleles are controlled by polymorphism of small RNAs and their targets. The study based on phenotypic expression of SP11 alleles, which encodes the male determinants of self-incompatibility in Brassica rapa, will be published in the January issue of the journal Nature Plants. Dr. Tomohiro Kakizaki of the Brassicacea Unit, Division of Vegetable Breeding, is the NARO collaborator in this study. Read more.


Compact bunching onion varieties suitable for summer and spring cultivation

Press release on 19 Dec 2016

compact onion The NARO has successfully developed compact bunching onion varieties, namely, 'Koiwarabe' and 'Suzuwarabe' that can be stably cultivated from spring to summer. The variety 'Koiwarabe' is characterized by extremely late bolting, hence it is possible to get the stable production from April to June. On the other hand, variety 'Suzuwarabe' grows vigorously even in high summer temperature from July to September. The shape is well maintained and product yield is excellent Read more.


Efficient modification of flower shape and color patterns

Press release on 15 Sep 2016

g7 meeting The NIVFS in collaboration with Kyoto Prefectural University has developed a technology that can efficiently produce flowers with a wide variety of shape and color patterns using genetic recombination. In this study published in the journal Plant and Cell Physiology, different floral organ-specific promoters with different properties were used to generate diverse floral traits using a single chimeric repressor without changing the phenotypes of other organs. This technology developed using torenia plants has the potential for application in other garden plants as well. Read more.

Tsukuba Plant Factory

Presented at the G7 Science Ministerial Meeting, Tsukuba

g7 meeting The NIVFS research on innovative production system in greenhouse horticulture for achieving high year-round yield and low-cost production was presented at the exhibition hall of the G7 Science and Technology Ministers' Meeting held in Tsukuba on May 15-17, 2016. The NARO Tsukuba Plant Factory is a high-yield and high-quality production system for greenhouse vegetables with low cost and low carbon to achieve 50% labor saving and 30% yield growth as compared with the current cultivation practices in Japan. The newly developed Ubiquitous Environment Control System (UECS) has been adopted for environment control and is now in operation. So far, the system has been used to evaluate the optimum control methods and environmental conditions for growing tomato, cucumber, paprika etc.

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