書誌事項
- タイトル別名
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- Studies on the dropping of burs in the chestnut. I
- クリの落果に関する研究-1-
- クリ ノ ラッカ ニ カンスル ケンキュウ 1
- The waves of physiological dropping of burs and factors affecting them
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Investigations were carried out on the time of physiological dropping of burs and some factors affecting it, for four years, using six varieties(Ginyose, Taisho-worse, Kasahara-wase, Akachu, Okoma and Hassaku) <br> 1. The physiological dropping of burs showed two distinct peaks, the early and the late drops in the early (until late July) and the late (later than early August) stages of bur development, respectively, <br> 2. Severity of the early drop varied with the variety, ie. it was serious in Gin-yose, occasionally reaching 41.2% in female blossoms, while in Taishowase and four other varieties, it was very slight, being 0.8_??_6.2%, <br> 3. The early drop started as early as the blossoming time, became severe immediately after the falling of male blossoms, and almost ceased at the end of July. <br> The late drop began early in August and was almost over by the end of the same month.<br> 4. The early drop in Gin-yose was not related to pollination, but increased with the low vigour of fruiting shoot and its mother branch, or in the blossoms late in blooming date. Dropped burs were found to be inferior in their growth to undropped ones.<br> 5. In Gin-yose, it seemed that there exist a close relation between the early drop and the sunshine during the period from late June to early July.<br> 6. The late drop was ascertained to be induced mainly (70_??_95%) by lack of fertilization.
収録刊行物
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- 園芸学会雑誌
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園芸学会雑誌 30 (4), 341-346, 1961
一般社団法人 園芸学会
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詳細情報 詳細情報について
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- CRID
- 1390001206303614848
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- NII論文ID
- 130001161657
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- NII書誌ID
- AN00025257
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- ISSN
- 1880358X
- 00137626
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- NDL書誌ID
- 8999867
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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