Development of semidwarf breeding line with shattering resistance and preharvest-sprouting resistant in buckwheat (Fagopyrum esculentum)

被引:1
|
作者
Suzuki, Tatsuro [1 ,6 ]
Tsujimoto, Kazuki [2 ]
Maruo, Gakuto [2 ]
Hara, Takahiro [3 ]
Katsu, Kenjiro [1 ]
Matsuura, Asana [4 ]
Morishita, Toshikazu [5 ]
Hara, Takashi [5 ]
Ishiguro, Koji [5 ]
Otsuka, Shiori [5 ]
机构
[1] Natl Agr & Food Res Org Kyushu Okinawa Agr Res Ctr, Kumamoto, Japan
[2] Tokai Univ, Sch Agr, Kumamoto, Japan
[3] Natl Agr & Food Res Org Kyushu Okinawa Agr Res Ctr, Fukuoka, Japan
[4] Shinshu Univ, Fac Agr, Matsumoto, Japan
[5] Natl Agr & Food Res Org Hokkaido Agr Res Ctr, Memuro Upland Farming Res Stn, Memuro, Hokkaido, Japan
[6] Natl Agr & Food Res Org Kyushu Okinawa Agr Res Ctr, Suya 2421, Koshi, Kumamoto 8611192, Japan
关键词
breeding; buckwheat; lodging; pre harvest sprouting; semidwarf; shattering; COMMON BUCKWHEAT; YIELD; RICE; GROWTH; GENES; HABIT;
D O I
10.1111/pbr.13101
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
An important breeding issue in buckwheat is to increase its resistance to lodging, which can result in the loss of yield and quality of buckwheat foods. We developed the semidwarf buckwheat 'Kyukei 50', which has a short plant height and a strong lodging resistance. The internode length of 'Kyukei 50' was shorter than that of the summer-sown standard variety 'HITACHIAKISOBA'. Progeny analysis revealed that the semidwarf trait was dominated by at least one recessive gene. Compared with 'HITACHIAKISOBA', in 'Kyukei 50', the time of maturation was earlier, and the pre-harvest sprouting resistance was the same, indicating that 'Kyukei 50' is suitable for sowing in both spring and summer. 'Kyukei 50' exhibits the 'green flower type' shattering resistance trait and, therefore, has a thick pedicel; breaking tensile strength is approximately two-fold stronger than that of 'HITACHIAKISOBA'. The yield of 'Kyukei 50' is the same as that of 'HITACHIAKISOBA'. In addition, the lowest seed height of 'Kyukei 50' was >17 cm. These results indicate that the 'Kyukei 50' is a promising breeding line for lodging resistance and loss of harvesting machinery.
引用
收藏
页码:527 / 536
页数:10
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