Zhuoyou 1032 is a new double-low hybrid rape variety in Brassica napus L.bred by Guizhou Zhuohao Agricultural Technology Co.,Ltd.in 2011 with the double-low two-type 240AB in B.napus L.as the female parent and the dou...Zhuoyou 1032 is a new double-low hybrid rape variety in Brassica napus L.bred by Guizhou Zhuohao Agricultural Technology Co.,Ltd.in 2011 with the double-low two-type 240AB in B.napus L.as the female parent and the double-low restorer 132-4R as the male parent.In the adaptability evaluation test at 18 sites in two years,the average yield was 172.31 kg/666.7 m^2,which was 4.78% higher than that of Youyan 50 (CK);the whole growth period was about 202 d,which was earlier than Youyan 50 (CK) by 2-3 d;the plant height was 197.6 cm;the branching height was 52.1 cm;the number of effective branches was 5.55;the number of effective pods per plant was 179.7 (pods/plant);the number of seeds per pod was 17.7;the 1 000-seed weight was 3.99 g;and the average yield per plant was 11.7 g.It has the characteristics of early maturity,fast growth,good tidiness,compact plant type,moderate plant height,strong lodging resistance,strong resistance to sclerotinia rot,medium-to-long pods and large 1 000-seed weight.展开更多
The breeder’s seeds of 56 A are produced through individual selection,sib mating in pairs and selection in isolation zone(net) plant line nursery.The foundation seeds are produced by isolated propagation of the bree...The breeder’s seeds of 56 A are produced through individual selection,sib mating in pairs and selection in isolation zone(net) plant line nursery.The foundation seeds are produced by isolated propagation of the breeder’s seeds,and the sterile line seeds for field production are produced by isolated propagation of the foundation seeds.The breeder’s seeds of restorer line 8020 R are produced by bagging and selfing and selection in isolation zone(net) plant line nursery,and the foundation seeds are produced by re-propagation.The hybrid seed production requires better isolation conditions,which can be realized using natural forests,mountains,rivers,roads(railways,highways),houses,etc.,and the isolation distance in open areas is equal to or larger than 800 m.It also requires early sowing of the male parent,so that the male parent can make full use of the light and temperature resources before winter to grow vegetatively,forming strong male parent plants that can provide more pollen.The seeds of the male parent are sown on September 8-10,and those of the female seeds are sown on September 12-16.Quality test is conducted during breeding and seed production in accordance with relevant national standards.The purity standards of the parent seeds are as follows: purity≥99%,neatness≥98%,germination rate≥80%,moisture≤9%,glucosinolate content≤20 μmol/g,and erucic acid content≤0.5%;the quality standards for parental field production seeds are as follows: purity≥98%,neatness≥98%,germination rate≥80% and moisture≤9%;and quality standards for hybrid seeds: purity≥85%,neatness≥98%,germination rate≥80% and moisture≤9%.展开更多
文摘Zhuoyou 1032 is a new double-low hybrid rape variety in Brassica napus L.bred by Guizhou Zhuohao Agricultural Technology Co.,Ltd.in 2011 with the double-low two-type 240AB in B.napus L.as the female parent and the double-low restorer 132-4R as the male parent.In the adaptability evaluation test at 18 sites in two years,the average yield was 172.31 kg/666.7 m^2,which was 4.78% higher than that of Youyan 50 (CK);the whole growth period was about 202 d,which was earlier than Youyan 50 (CK) by 2-3 d;the plant height was 197.6 cm;the branching height was 52.1 cm;the number of effective branches was 5.55;the number of effective pods per plant was 179.7 (pods/plant);the number of seeds per pod was 17.7;the 1 000-seed weight was 3.99 g;and the average yield per plant was 11.7 g.It has the characteristics of early maturity,fast growth,good tidiness,compact plant type,moderate plant height,strong lodging resistance,strong resistance to sclerotinia rot,medium-to-long pods and large 1 000-seed weight.
文摘The breeder’s seeds of 56 A are produced through individual selection,sib mating in pairs and selection in isolation zone(net) plant line nursery.The foundation seeds are produced by isolated propagation of the breeder’s seeds,and the sterile line seeds for field production are produced by isolated propagation of the foundation seeds.The breeder’s seeds of restorer line 8020 R are produced by bagging and selfing and selection in isolation zone(net) plant line nursery,and the foundation seeds are produced by re-propagation.The hybrid seed production requires better isolation conditions,which can be realized using natural forests,mountains,rivers,roads(railways,highways),houses,etc.,and the isolation distance in open areas is equal to or larger than 800 m.It also requires early sowing of the male parent,so that the male parent can make full use of the light and temperature resources before winter to grow vegetatively,forming strong male parent plants that can provide more pollen.The seeds of the male parent are sown on September 8-10,and those of the female seeds are sown on September 12-16.Quality test is conducted during breeding and seed production in accordance with relevant national standards.The purity standards of the parent seeds are as follows: purity≥99%,neatness≥98%,germination rate≥80%,moisture≤9%,glucosinolate content≤20 μmol/g,and erucic acid content≤0.5%;the quality standards for parental field production seeds are as follows: purity≥98%,neatness≥98%,germination rate≥80% and moisture≤9%;and quality standards for hybrid seeds: purity≥85%,neatness≥98%,germination rate≥80% and moisture≤9%.
