研究了插栽密度、赶粉、喷“九二○”等关键栽术对水稻光温敏核不育系C815S在海南保亭冬繁产量的影响。结果表明:C815S可在海南保亭进行冬季繁殖,在11月中旬播种,育性敏感期处在1月下旬至2月上中旬,在插栽密度较低条件下其结实率可达72.7%,产量可达4.34 t/hm2;C815S繁殖的适宜移栽密度是30.3万穴/hm2;赶粉对C815S繁殖产量的提高最为经济有效;喷施“九二○”对C815S繁殖产量的提高不明显,生产中可以不使用。 The effects of key planting techniques such as planting density, catching powder, spraying “920 ” on the yield of rice TPMS C815S in Hainan Baoting were studied. The results showed that C815S could be propagated in winter in Baoting of Hainan Province and sown in mid November. The fertility sensitive period was from the end of January to the middle of February. Under the condition of lower planting density, the seed setting rate was 72.7% The yield was up to 4.34 t / hm2; the suitable transplanting density of C815S was 303,000 / hm2; the most efficient and economical increase of C815S was the promotion of the yield of C815S; the increase of the yield of C815S Obviously, the production can not be used.