B2.586

Source of varieties: Yong 658SxBPR286
FeaturesThe plant type is moderate, the sword leaf is wide, long and upright. Ear layer neat, large spike type, long grain, lemma tip colorless, awns. In the regional test, the effective spike per mu is 157000, the spike length is 26.9cm, the total number of grains per spike is 202.6, the number of grains per spike is 167.7, the seed setting rate is 82.8, the 1000-grain weight is 28.24g, the whole growth period is 132.1 days, and it is 0.1 days shorter than FengLiangyou No.4. The average yield per mu in the two-year regional test is 659.97kg, which is 3.56 per cent higher than that of Fenglianyou No.4. Among them, the yield per mu in 2019 is 654.50kg, and the yield of Bifeng Liangyou No.4 is increased by 3.98.
resistanceRice blast comprehensive index 2.4, rice blast loss rate of the highest level 3, medium resistance to rice blast; Heat tolerance 3, cold tolerance 5.
Main Indicators of Rice Quality: Roughness rate 80.2, whole rice rate 64.4, chalkiness 3.7, amylose content 14.3, gel consistency 70mm, alkali elimination value 6.0, transparency 1, aspect ratio 3.4, reaching the agricultural industry "Edible Rice Variety Quality" standard III.
AdaptabilityIt is suitable for medium rice cultivation in areas other than southwest Hubei Province.