CAJ | 학술논문

佳丰68S是利用"8077S"与丰两优1号杂交,然后再与蜀恢527和扬稻6号复交选育而成的携带苯达松致死基因的中籼型水稻光(温)敏核不育系.它属于无花粉类型,不育期间败育彻底,不育性稳定,其不育株率、花粉不育度和不育株率均为100%,在14.5 h长日下,不育临界温度低于23.5℃.开花习性好,容易繁殖和制种,稻米外观品质好,配合力强.利用该不育系配制的组合正在参加各级产量试验.
가봉68S시이용"8077S"여봉량우1호잡교,연후재여촉회527화양도6호복교선육이성적휴대분체송치사기인적중선형수도광(온)민핵불육계.타속우무화분류형,불육기간패육철저,불육성은정,기불육주솔、화분불육도화불육주솔균위100%,재14.5 h장일하,불육림계온도저우23.5℃.개화습성호,용역번식화제충,도미외관품질호,배합력강.이용해불육계배제적조합정재삼가각급산량시험.
Jiafeng 68S is a new photopefiod-temperature sensitive genie male sterile(PTGMS)line carrying the bentazane sensitive lethal gene in medium indica rice and developed from the multiple crosses of 8077S/Fengliangyou No.1//Shuhui527 ///Yangdao No.6.Its reale sterility belongs to pollen-free type with 100%pollen sterility and stable male sterility of 100%sterile plants in its male sterile period.The critical temperature(CT)for male sterility is below 23.5℃ under 14.5 hours of day length.It has the characteristics of good plant type,early tillering,good appearance quality,high combining ability and favorable flowering habits for easy multiplication and hybrid seed production.Many promising combinations derived from it are in different regional trials.