Table 4.

Varieties developed and released in China and their agronomic performance

Cultivar	Pedigree	Traits	Yield (t/ha)	Crop duration (days)	Starch content	Year of release	Reference
SC6068	SC201	High starch content	20.6–24.5	–	27.0	1965	Xiong et al. 2000
SC124	F1 of nature hybrid seeds from SC205	High yield, low starch, high tolerance to cold	30.0–32.5	–	24.5	1991	Xiong et al. 2000
NZ188	CM321-188	High yield, low starch, poor cold tolerance	22.5	–		1992	Yan et al. 2015
SC8002	SC124 × SC205	High yield	27.8–28.7	–	27.0	1994	Xiong et al. 1995
SC8013	SC124 × SC205	High starch content	25.3–29.5	–	28.9	1994	Xiong et al. 1995
GR891	MCOL2215 × MPAN	High yield, high starch content, short duration	32	–	29–31	1998	Yan et al. 2015
GR911	MBra35 × CM523-7	High yield	43	–	27–28	1999	Yan et al. 2015
GR3	1150 hybrid seeds were introduced from Thailand field crop research center in 1994, and selected one from those hybrid seeds	High yield, high starch content	40	–	29–30	2007	Yan et al. 2015
GR1	Rayong 1 × Rayong 90/KU50	High yield, high starch content	40	–	27–28	2008	Yan et al. 2015
GR4	CIAT Natural hybrid seeds from PAR164 /line SM1600	High yield, high starch content	41	–	26–28	2011	Yan et al. 2015
GR5	Huay Bong 60 (R5 × KU50)		39	–	29–31	2011	Yan et al. 2015
GR6	CIAT Natural hybrid seeds from CM4729-2/line SM2895-1	High yield, high starch content	30	–	29–30	2012	Unpublished data
GR7	CIAT Natural hybrid seeds from Cn9948-1 (Sm805-15 × Sm1438-02)	High yield, high starch content	42	–	29–30	2015	Unpublished data
GR8	Line KM316 was introduced from Vietnam southern academy of agricultural sciences, HLARC (KM98-1 × KU50)	High yield, high starch content	39	–	28–29	2016	Unpublished data
GR9	The wild cassava germplasm, named Singkonggajah (elephant cassava), was introduced from the tropical rain forest of Kalimantan province, Indonesia in 2010	High yield, high starch content	30	–	29–31	2016	Unpublished data
SC5	ZM8625 × SC8013	High yield, high starch content	33.0–	–	28.5	2000	Yan et al. 2015
SC6	OMR33-10-4	High starch content, typhoon resistant, good germination	25.0–	–	28.5	2001	Yan et al. 2015
SC7	F1 of nature hybrid seeds from SC205	High dry matter content and high starch content	42.61		27.3	2004	Ye et al. 2007
SC8	F1 of natural hybrid seeds from CMR38-120	High yield, high starch content, strong adaptability, tolerance to fertilizer, poor soil, drought weather, and typhoon resistant	38–45	240	30–32	2004	Ye et al. 2006
SC9	Introduced from Philippines around 1820	Good taste, low cyanic content, high starch content, early harvest, heavy branches	20–35	210	30–33	2005	Yan et al. 2015
SC10	CM4042 × CM4077	High yield, high starch content	30–45	300	30–32	2006	Yan et al. 2015
SC11	Introduced from Brazil (Line named B900)	High yield, low starch, stronger tolerance to fertilizer and waterlogging	30	300	25–28	2009	Yan et al. 2015
SC12	OMR36-34-1 × ZM99247	High yield, high starch content, low cyanic content, strong adaptability, tolerance to fertilizer, drought weather, and resistance to bacterial blight and vermilion mites	40	300	30–32	2014	Ye et al. 2014
SC13	F1 of natural hybrid seeds from SC8013	High yield, high starch content, low cyanic content, resistance to bacterial blight and vermilion mites	43	240	29–30	2015	Ye et al. 2017
SC14	Landrace of Qionzhong Hainan China	High yield, low starch, low cyanic content, strong adaptability, tolerance to PPD	38.25	330	23–26	2016	Qin et al. 2017
Guishu JS03	Selected from F1 population of cassava cultivar from the Balai district, Xayaburi Province, Laos	High yield, high starch content	37.5–52.5	300–330	29–30	2015	Unpublished data
Guimushu 1	Selected from F1 population of line E497, introduced from TCGRI CATAS, the plant line number was GW10-E497-2, and the regional test number was E30	High yield, high starch content	39–52.5	300–330	29–30	2016	Wei et al. 2016
Guimushu 2	Selected from F1 population of line E497, introduced from CATAS, the plant line number was GW10-E497-10	High yield, low starch content, no branches	37.5–48	300–330	24–25	2016	unpublished data
Guimushu 3	Selected from F1 population of line E497, introduced from CATAS, the plant line number was GW10-E497-17	High yield, high starch content, few branches	37.5–48	300–330	30–31	2016	unpublished data
Guimushu 4	Selected from F1 population of line E497, introduced from CATAS, the plant line number was GW10-E497-19	High yield, high starch content, few branches	37.5–48	300–330	29–31	2016	unpublished data
Guimushu 5	Selected from F1 population of SC205, the plant line number was WG10-SC205-1	High yield, high starch content, few branches	37.5–52.5	240–270	30–33	2016	Unpublished data
Guimushu 6	Selected from the F1 population of Xinxuan 048, the new cassava variety was developed through embryo rescue, tissue culture, rapid propagation, and the test number was NK-6	High yield, high starch content, few branches	39–52.5	300–330	28–30	2016	Unpublished data
Guimushu 7	Selected from the F1 population of Xinxuan 048, the new cassava variety was developed through embryo rescue, tissue culture, rapid propagation, and the test number was NK-7	High yield, high starch content, good plan type, good germinates and good growth vigor	30–37.5	300–330	29–31	2016	Unpublished data
Fuxuan 01	Using cassava variety SC124 as material and selected and bred from its variant strain by radiation mutagenesis	High yield, high starch content, stem good to storage, germinated quickly and neatly, and had high germination rate, wide adaptability, cold and drought resistance	30–45	–	30–32	2005	Yan et al. 2015
Xinxuan 048	From natural variation of cassava germplasm ZM93-16 population	High yield, high starch content, stem germinates quickly and neatly, and had high germination rate, wide adaptability, suitable for sparse planting, intercropping and mechanical planting	40–50	240	28–30	2006	Yan et al. 2015
Xixuan 03	From natural variation of cassava germplasm ZM92-174 population	High yield, high starch content, stem good to storage	34.5	–	29–31	2007	Yan et al. 2015
Xixuan 04	From natural variation of cassava germplasm OMR-38-136-1 population	High yield, high starch content, stem germinates quickly and neatly, and had high germination rate, wide adaptability, resistance to pest and disease, tolerance to cold	46–57	–	30–31	2010	Yan et al. 2015
Xixuan 05	Using cassava variety Xinxuan 048 as material and selected and bred from its variant strain by radiation mutagenesis	High yield, high starch content, no branches	52–70	–	29–31	2013	Yan et al. 2015
Xixuan 06	Using cassava variety Xinxuan 048 as material and selected and bred from its variant strain by radiation mutagenesis	High yield, high starch content, no branches. tolerance to drought and cold	50–59	–	30–31	2014	Yan et al. 2015
Xixuan 07	Using cassava variety Xinxuan 048 as material and selected and bred from its variant strain by radiation mutagenesis	High yield, high starch content, no branches. Stem germinates quickly and neatly, and had high germination rate	53–70	–	31–32	2016	Unpublished data
GK 09-26	SC5 × SC205	High yield, low starch, strong adaptability, tolerance to cold, fertilizer, poor soil, drought weather, pests and diseases	45–48	300	28	2014	Unpublished data
GK 09-11	SC5 × SC205	High yield, high starch, strong adaptability	37.5–45	–	30–31	2015	Unpublished data
NZ 199	Introduced tissue culture seedlings from CIAT	High yield, high starch content, easy to harvest, low cyanic content	30–45	240–270	30	–	An et al. 2014