Bao You 098
Authorized number: 粤审稻20180032
(1)Characteristics: three-line hybrid rice combination of photosensitive indica type,growth period of late season was 119 to 121 days,6 days longer than check variety(广8优169),plant type cimc,secondary tillering ability,large-panicle and grain,low fecundity,high lodging resistance,poor low temperature resistance(both booting stage and blooming period),plant height was 112.4~113.1 cm,panicle length was 24.3~24.6 cm,effective ears per mu was 15.4~16.1 ten thousand,total grain number per spike was 163~180,setting rate was 74.6%~75.9%,1000-grain weight were 24.5~25.4 gram.
(2)Quality: the rice quality was appraised as national standard and province standard of high quality grade 3,head milled rice rate was 52.7%~53.3%,chalky rice rate was 30%~32%,chalkiness degree was 2.4%~3.5%,amylose content was 21.8%,gel consistency was 78 millimeter,length-width ratio was 3.3,score of eating quality was 68~72.
(2)Disease resistance:secondary blast resistance,total resistance frequency was 82.86%~85%,the resistance frequencies to group B was 76.92%~84.61%,the resistance frequencies to group C was 100%,leaf blast was 1.0~2.3 degree,panicle blast was 3.4~4.0 degree,secondary resistance to white leaf blight(Ⅳtype flora was 1~3 degree,Ⅴtype flora was 1~3 degree).
(4)Yield: in the rice area test of Guangdong province in 2015 of late season,average yield per mu was 456.49 kg,the yield was 5.68% lower than check variety(广8优169),in the rice area reexamine test of Guangdong province in 2016 of late season,average yield per mu was 421.55 kg,the yield was 1.31% lower than check variety(广8优169),in the rice production test of Guangdong province in 2016 of late season,average yield per mu was 489.86 kg,the yield was 2.49% higher than check variety(广8优169),daily yield was 3.54~3.77 kg.
(5)Appropriate promotion regional: It is adapted for rice region south and southwest of Guangdong Province,planting in plain area.
(6)Cultivation Techniques of Onion: proper density,early application of tillering fertilizer,increase the number of effective tillers,increase the seed setting rate by strengthen management of fertilizer and water in the middle and later stages,pay attention to the control of rice blast.