It is suggested that autotetraploidy rices are better females in the distant hybridization due to the fact that they are weaker in sexually reproductive ability.

結(jié)果暗示由于同源四倍體水稻具有比較弱的有性生殖能力日韩在线观看自拍网址视频免费，在遠(yuǎn)緣雜交中它們是比較好的雜交母本。

In the crosses of the autotetraploidy rices used as the females, some seeds could be got, but more seeds were obtained in these crosses by the special treatment that the DH solution was put into the caryopses before the pollination.

在以同源四倍體水稻為雜交母本的雜交組合中，可以獲得一些實(shí)粒種子，但是巨乳老熟女人人操人人爽人人操，如果在授粉前利用DH溶液對(duì)同源四倍體水稻的去雄穎花進(jìn)行處理后再授狼尾草的花粉粒則能獲得更多的實(shí)粒種子。

In crossing of the 8 autotetraploidy rices (Oryza sativa, 2n=4x=48), APIV(4), IR36(4), Zixuedao(4), Ce 64(4), Minghui 63(4), IR28(4), Ce 90(4) and Gui 99(4) used as the females, with Pennisetum alopecuroides (2n=2x=18) used as the males, the seeds were obtained, but no seed was got in the crosses of the 3 diploidy rices (Oryza sativa, 2n=2x=24), APIV(2), Ce 90(2) and Zixuedao(2) used as the females, with Pennisetum alopecuroides.

利用APIV(4)www.madou.福利、IR36(4)1级A片、紫血稻(4)、測(cè)64(4)无码黄色毛片、明恢63(4)亚洲日韩欧美在线视频播放、IR28(4)亚洲中文字幕在线四区、測(cè)90(4)和桂99(4)等8個(gè)同源四倍體水稻(Oryza sativa久久人人操人人爽， 2n=4x=48)為雜交母本，以狼尾草(Pennisetum alopecuroides日本超刺激视频在线观看网站， 2n=2x=18)為雜交父本進(jìn)行雜交一级绝黄A片AAA，獲得了實(shí)粒種子。但是黄色录像网站一个片，在以APIV(2)啪啪免费特级黄片、測(cè)90(2)和紫血稻(2)這3個(gè)二倍體水稻(Oryza sativa， 2n=2x=24)為雜交母本欧美色综合,色综合，以狼尾草為雜交父本的雜交組合中卻沒(méi)有獲得實(shí)粒種子你懂网站在线观看。