was a Japanese botanist, specializing in

citrus ''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to ...

, who was hailed as the "father of citrus" especially in his native Shizuoka Prefecture. After graduating from the prefectural ''nōgakko'' ( ja) or "agricultural college," he enrolled in the

apprenticeship Apprenticeship is a system for training a new generation of practitioners of a trade or profession with on-the-job training and often some accompanying study (classroom work and reading). Apprenticeships can also enable practitioners to gain a ...

internship An internship is a period of work experience offered by an organization for a limited period of time. Once confined to medical graduates, internship is used practice for a wide range of placements in businesses, non-profit organizations and gover ...

system established by the then- Ministry of Agriculture and Commerce, and learned his skills at the local state-run

agricultural experiment station An agricultural experiment station (AES) or agricultural research station (ARS) is a scientific research center that investigates difficulties and potential improvements to food production and agribusiness. Experiment station scientists work with f ...

under the Horticultural Department. After a stint in

Kumamoto Prefecture is a prefecture of Japan located on the island of Kyūshū. Kumamoto Prefecture has a population of 1,748,134 () and has a geographic area of . Kumamoto Prefecture borders Fukuoka Prefecture to the north, Ōita Prefecture to the northeast, M ...

, he returned to the old department which was being reorganized as the ministerial Horticultural Experiment Station, where he served as horticultural engineer (1921). Later he served his home prefecture, and was appointed the first head of the Shizuoka Prefectural Citrus Experiment Station, which was his own brainchild (1940). His chief work includes ''Kankitsu'' ("Citrus"), which went through some five revisions. He was the long-time chief writer and editor of ''Kajitsu Nippon'', a journal of fruit agriculture. He published the scientific name ''Citrus sulcata'' hort. ex. Ik.Takah. (or I.Takah.) for a type of citrus known as sanbokan.

General

He conducted numerous experiments and data-collection for growing citrus, exploring and field testing various soil improvement, fertilizing, parasite prevention, disinfection, and pruning techniques.CiNii articles NRID: //ci.nii.ac.jp/nrid/9000008493933 9000008493933, NRID: //ci.nii.ac.jp/nrid/9000017639602 9000017639602, etc. The knowledge he amassed he lectured nationwide. Keeping abreast of orange industries abroad, particularly America, he would frequently provide first in-depth coverage in Japan of citrus-growing techniques developed overseas. Not strictly limited to concerns about orchard technology, he also addressed economic issues such as international pricing and competition, the future viability of canned mandarin oranges and juices, and the need for producers'

cooperatives A cooperative (also known as co-operative, co-op, or coop) is "an autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned and democratically-control ...

(''shukka kumiai''), and was outspoken even about taxation of orchards. During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

, he opposed national policy to log down orchards to be converted into potato and wheat fields. After the war, he made strenuous efforts to revive the satsuma orange industry. His eldest son is an academic in

civil engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewa ...

and

emeritus professor ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

Tokyo University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

. His eldest daughter, Yuriko Takahashi taught nursing at . #Matsumoto-blog

Timeline

* 1892: Born in , in the village of (now

Matsuzaki, Shizuoka 270px, Matsuzaki Town Hall is a town located in on the southwest coast of Izu Peninsula in Kamo District, Shizuoka Prefecture, Japan. , the town had an estimated population of 6,563 in 2969 households, and a population density of 77 persons ...

) * 1909: Graduated from Shizuoka Prefectural Nakaizumi Nōgakko (Agricultural College) (now ）. * 1909: Internship at the nation's Ministry of Agriculture and Commerce established

, Horticultural Department at Okitsu,

Shimizu-ku, Shizuoka is the easternmost of the three wards of the city of Shizuoka in Shizuoka Prefecture, Japan. History Shimizu-ku was created on April 1, 2005, when Shizuoka became a city designated by government ordinance (a "designated city"). Its area is al ...

(now the Okitsu Citrus Research Station for the (NIFTS)). * 1913: Published ''Kankitsu saibai'' ("Citrus Culture") * 1917: Invited to

as agricultural engineer. * 1921: The Horticultural Department is spun off as an independent (later to become NIFTS). Appointed here as horticultural engineer. * 1931: Published ''Kankitsu'', a revision of his earlier work. This title undergoes five revisions. * 1935: Appointed citrus engineer for Shizuoka Prefecture. * 1940: Appointed to head the newly created Shizuoka Prefectural Citrus Experiment Station. * 1946: established, with the organization publication for which Takahashi served as editor-in-chief. * 1948: "Japan Fruit Society" becomes the Nichienren (Japan Fruit Growers Cooperative Association). * 1962: Retired from Nichienren. * 1981: Died at age 89. The posthumous "Takahashi Kankitsu Kenshōkai" was founded which awards the "Takashi Citrus Prize".

References

* NCIDbr>BA79996686
*

External links

* ** (mirror) {{DEFAULTSORT:Takahashi, Ikuro Botanists with author abbreviations 1892 births 1981 deaths 20th-century Japanese botanists

General

Timeline

See also

References

External links