Yu You 098
Authorized number: 粤审稻20160047
(1)Characteristics: three-line hybrid rice combination of sensible temperature indica type,early-maturing variety,high disease resistance,growth period of late season was 106 to 110 days,8 days shorter than check variety(粤晶丝苗2号),4 days shorter than check variety(广8优2168),plant type cimc,weak tillering ability,large-panicle and long grain,secondary lodging resistance,secondary low temperature resistance,plant height was 104.4~106.0 cm,panicle length was 21.6~21.8 cm,effective ears per mu was 16.2~16.6 ten thousand,total grain number per spike was 141~159,setting rate was 82.5%~83.1%,1000-grain weight were 24.5~25.0 gram.
(2)Quality: rice quality did not reach high quality grade,head milled rice rate was 43.9%~59.3%,chalky rice rate was 9%~16%,chalkiness degree was 1.8%~2.3%,amylose content was 14.1%~14.4%,gel consistency was 70~72 millimeter,length-width ratio was 3.5~3.6,score of eating quality was 80.
(3)Disease resistance: high blast resistance,total resistance frequency was 96.97%~100%,the resistance frequencies to group B was 94.74%~100%,the resistance frequencies to group C was 100%,leaf blast was 1.5~1.8 degree,panicle blast was 2.0~2.5 degree(Single point maximum level 3.0),medium resistance to white leaf blight(Ⅳtype flora was 3 degree,Ⅴtype flora was 3~5 degree).
(4)Yield: in the rice area test of Guangdong province in 2014 of late season,average yield per mu was 462.46 kg,the yield was 0.50% lower than check variety(粤晶丝苗2号),in the rice area reexamine test of Guangdong province in 2015 of late season,average yield per mu was 427.88 kg,the yield was 2.52% lower than check variety(广8优2168),in the rice production test of Guangdong province in 2015 of late season,average yield per mu was 455.07 kg,the yield was 5.85% lower than check variety(广8优2168),daily yield was 3.89~4.36 kg.
(5)Appropriate promotion regional: It is adapted for rice region outside of northern Guangdong,both early and late season can be planted.
(6)Cultivation Techniques of Onion: Conventional cultivation management.