4, Otsu

4, Otsu (おおつよんごう) is one article of cause of "the satsuma" which is one of the citrus fruits [¹].

Table of contents

Origin

With the system which Yu Otsu man of Yugawara-machi, Ashigarashimo-gun, Kanagawa chose from a nucellus embryo plant raised from a seed of "100,000 Wenzhou" in 1964, it was made kind registration (it produces a fruit earliest and registers 4 which seasoning had good) in 1977. I obtain an ear of 100,000 Wenzhou by transfer from the Nebukawa branch office and I join it high and do it and I gathered it than 39, Showa yearly output fruit and disseminate (pollen pro-ignorance) in March, 1965. I perform grafting by inserting scion into wedge-shaped notch of the plant raised from a seed first grader in a trifoliate orange stand in April, 1966 and raise a young plant. Four was chosen from one which bore fruit for the first time in 1972 in ten by Minoru Kajiura, advice of Tomoaki Ogaki. Fruit greatly usually grows up with precocity for Wenzhou and is flat. Of the kind pro-high sugar content with "Qingdao Wenzhou" is representative. When it is the evaluation of the assiduous farmer of Yugawara-machi (five, eight is planted other than four in Yugawara, but the distinction of the appearance is called "Otsu mandarin orange" collectively without there being it.), a rose appears, but is an opinion that 5, Otsu is good qualitatively.

Characteristic

The growing power of a tree is strong, but is expanse characteristics. The fruit becomes the complete coloration in big ball system in December from the flat end of November. The biennial result characteristics are strong. If "the cut end which I chose turns to the side, according to Otsu of the fosterer, the transplant is good preventing a taproot from appearing if the vertical branch which it would be better that I look up and do not do the fruit picking that the flower of the branch of the sideways-facing is good, and is poor not a flower and prepared from a young plant than a top grafting update tree gives result and conflicts with it no use again, too".

One article class "ひめのか" of the satsuma raised in Ehime Prefectural Fruit Tree Research Station (Matsuyama-shi) in 2003 was chosen from a nucellus embryo plant raised from a seed of "4, Otsu" [²].

Footnote

1. Production engineering June 21, 2013 reading becoming stable for many years in a row by 大玉果摘果 of crown] outer periphery of ^ Nagasaki agroforestry technique development center "4, Otsu"
2. ^ Ministry of Agriculture, Forestry and Fisheries kind registration database "ひめのか" June 21, 2013 reading

References

• Citrus fruit 100 kind (complete reform version) August 9, 1997 publication (an origin of publication: Ehime fruits and vegetables farm co-op alliance society) of the topic
• History of Kanagawa citrus fruit consecutive 40 years March 31, 1990 publication (an origin of publication: Kanagawa citrus fruit farm co-op alliance society)

Allied item

• Tangerine
• Kanagawa
• Yugawara-machi
• Yu Otsu man

This item is an unfinished item in conjunction with the fruit. I demand the cooperator who corrects it, and corrects this item (a project: plant /Portal: fruit).

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