Effect of 9-Hydroxy-10-oxo-12(Z), 15(Z)-octadecadienoic Acid (KODA) on Endodormancy Breaking in Flower Buds of Japanese Pear

被引：20

作者：

Sakamoto, Daisuke ^{[1
]}

Nakamura, Yuri ^{[1
]}

Sugiura, Hiroyoshi ^{[1
]}

Sugiura, Toshihiko ^{[1
]}

Asakura, Toshikazu ^{[1
]}

Yokoyama, Mineyuki ^{[2
]}

Moriguchi, Takaya ^{[1
]}

机构：

[1] Natl Inst Fruit Tree Sci, Tsukuba, Ibaraki 3058605, Japan

[2] Shiseido Co, Innovat Sci Res & Dev Ctr, Kanagawa 2368643, Japan

来源：

HORTSCIENCE | 2010年 / 45卷 / 10期

关键词：

bud breaking; endodormancy breaking agent; forcing culture; global warming; HYDROGEN-PEROXIDE; DORMANCY; CYANAMIDE; IDENTIFICATION; RELEASE; LEMNA;

D O I：

10.21273/HORTSCI.45.10.1470

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

The effect of 9-hydroxy-10-oxo-12(Z), 15(Z)-octadecadienoic acid (KODA) on endodormancy breaking was studied in flower buds of japanese pear (Pyrus pyrifolia Nakai). The optimal concentration of KODA (100 p,M) for endodormancy breaking was established over a 2-year period during the endodormancy stage of 2006 and 2007 in japanese pear cultivars Kosui, Natsushizuku, and Hosui. The effect of KODA on endodormancy breaking in flower buds was similar between `Natsushizuku' and 'Kosui' but somewhat lower in 'Hosui'. These results indicate that KODA can be an effective agent for promoting endodormancy breaking of flower buds in `Natsushizuku' and 'Kosui'. Although not as effective as hydrogen cyanamide, KODA may be preferable at late endodormancy stages because it has no apparent phytotoxicity.

引用

页码：1470 / 1474

页数：5

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