高粱&times;苏丹草后代群体农艺及产量性状QTL初步定位

doi:10.7668/hbnxb.20195052

摘要/Abstract

摘要：

为进一步探究高粱籽粒和茎秆产量的遗传规律,运用粒用高粱忻粱52和苏丹草TS 185作为亲本进行杂交并得到F₂及F_2∶3群体,利用115对多态性引物对430份F₂群体使用区间作图法构建遗传连锁图谱,以LOD值等于3作为阈值。结果表明,分蘖数、叶片数、茎粗、穗长、株高、茎秆鲜质量、整株鲜质量、着壳率、穗质量、千粒质量、单穗粒质量、单穗粒数12个农艺性状共检测到86个QTL。在1号染色体sam17164-sam15397区间定位到茎秆鲜质量的QTL;在2号染色体Xcup64-Xcup26区间定位到分蘖数的QTL,Xtxp019-sam01138区间定位到叶片的QTL,Xcup26-Xtxp080区间定位到茎秆鲜质量的QTL;在3号染色体sam44791-sam33751区间定位到穗长的QTL;在7号染色体sam39622-sam43980区间定位到着壳率的QTL;在8号染色体sam10491-sam17740区间定位到整株鲜质量的QTL;在10号染色体sam710901b-sam59778区间定位到分蘖数的QTL,以上这些都是新检测到的位点。

关键词: 高粱, SSR标记, 数量性状位点, QTL定位

Abstract:

In order to further explore the genetic rule of grain and stalk yield of sorghum,grain sorghum Xinliang 52 and Sudan grass TS 185 were hybridized as parents to obtain F₂ and F_2∶3 populations,115 pairs of polymorphic primers were used to construct the genetic linkage map of 430 F₂ progeny populations by interval mapping.A total of 86 QTLs were detected for 12 agronomic traits,including number of tillers, number of blades, stem diameter, panicle length, plant height, stem fresh weight, whole plant fresh weight, shelling rate, panicle weigh, thousand kernels weight, grain weight per panicle and grain number per panicle, with LOD value as the threshold value.The QTL of stem fresh weight was located between sam17164-sam15397 on chromosome 1.On chromosome 2,the QTL of number of tillers was located in Xcup64-Xcup26 region,leaf was located in Xtxp019-sam01138 region,and stem fresh weight was located in Xcup26-Xtxp080 region.Panicle length QTL was located between sam44791 and sam33751 on chromosome 3.The QTL of shelling rate was located at sam39622-sam43980 on chromosome 7.The QTL for whole plant fresh weight located in sam10491-sam17740 on chromosome 8 and the QTL for number of tillers located in sam710901b-sam59778 on chromosome 10 were all newly detected loci.

Key words: Sorghum, SSR marker, Quantitative trait loci, QTL mapping

孙安栋, 高建明, 吕芃, 裴忠有, 杨庭金, 罗峰. 高粱×苏丹草后代群体农艺及产量性状QTL初步定位[J]. 华北农学报, 2024, 39(5): 15-23. doi: 10.7668/hbnxb.20195052.

SUN Andong, GAO Jianming, LÜ Peng, PEI Zhongyou, YANG Tingjin, LUO Feng. QTL Preliminary Mapping of Agronomic and Yield Traits in Sorghum×Sudan grass Progeny Population[J]. Acta Agriculturae Boreali-Sinica, 2024, 39(5): 15-23. doi: 10.7668/hbnxb.20195052.

http://www.hbnxb.net/CN/Y2024/V39/I5/15

图/表 4

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性状 Trait	均值 Mean value	标准差 s	方差 Variance	变幅 Range	偏度 Skewness	峰度 Kurtosis
分蘖数/(个/株) Number of tillers	2.52	1.25	1.56	1.00~8.00	1.13	1.96
叶片数/(片/株) Number of blades	10.59	1.35	1.83	7.00~14.00	-0.04	0.05
茎粗/mm Stem diameter	14.61	2.72	7.39	5.96~24.42	0.05	0.59
穗长/cm Panicle length	30.47	4.83	23.35	17.40~24.42	-0.10	0.00
株高/cm Plant height	311.96	69.11	4 775.95	135.40~472.50	-0.41	-0.30
穗质量/g Panicle weight	51.21	28.11	790.21	5.06~136.71	0.74	-0.07
整株鲜质量/g Whole plant fresh weight	927.64	533.27	284 381.19	118.10~2 672.60	0.91	0.41
茎秆鲜质量/g Stem fresh weight	878.26	490.48	240 569.46	111.78~2 672.60	0.87	0.30
着壳率/% Shelling rate	53.75	23.59	5.00	0.00~100.00	-0.11	-0.32
千粒质量/g Thousand kernels weight	25.63	4.71	22.16	12.68~37.57	-0.24	0.32
单穗粒质量/g Grain weight per panicle	33.55	16.78	281.63	7.60~78.20	0.63	-0.33
单穗粒数 Grain number per panicle	1 347.29	530.38	281 308.19	223.00~3 469.00	0.37	0.32

性状 Trait	均值 Mean value	标准差 s	方差 Variance	变幅 Range	偏度 Skewness	峰度 Kurtosis
分蘖数/(个/株) Number of tillers	2.52	1.25	1.56	1.00~8.00	1.13	1.96
叶片数/(片/株) Number of blades	10.59	1.35	1.83	7.00~14.00	-0.04	0.05
茎粗/mm Stem diameter	14.61	2.72	7.39	5.96~24.42	0.05	0.59
穗长/cm Panicle length	30.47	4.83	23.35	17.40~24.42	-0.10	0.00
株高/cm Plant height	311.96	69.11	4 775.95	135.40~472.50	-0.41	-0.30
穗质量/g Panicle weight	51.21	28.11	790.21	5.06~136.71	0.74	-0.07
整株鲜质量/g Whole plant fresh weight	927.64	533.27	284 381.19	118.10~2 672.60	0.91	0.41
茎秆鲜质量/g Stem fresh weight	878.26	490.48	240 569.46	111.78~2 672.60	0.87	0.30
着壳率/% Shelling rate	53.75	23.59	5.00	0.00~100.00	-0.11	-0.32
千粒质量/g Thousand kernels weight	25.63	4.71	22.16	12.68~37.57	-0.24	0.32
单穗粒质量/g Grain weight per panicle	33.55	16.78	281.63	7.60~78.20	0.63	-0.33
单穗粒数 Grain number per panicle	1 347.29	530.38	281 308.19	223.00~3 469.00	0.37	0.32

性状 Trait		染色体 Chromosome	标记区间 Marker interval	距离/cM Distance	LOD	加性效应 Additive effect	显性效应 Dominance effect	显性势 Dominance potential	贡献率/% PVE
分蘖数	F₂	2	Xcup64-Xcup26	4.2	4.012	-3.861	-0.023	0.006	9.6
Number of tillers		10	sam710901b-sam59778	8.4	5.967	0.784	0.658	0.839	10.7
	F_2∶3	2	Xcup64-Xcup26	4.2	5.567	1.294	-0.819	0.633	6.2
		7	sam34510-sam41840	8.7	4.769	2.514	-0.516	0.205	5.4
		8	sam32873-sam23503	3.5	3.458	2.654	-0.367	0.138	3.9
		10	sam710901b-sam59778	8.4	5.111	4.411	-0.249	0.056	5.7
叶片数	F₂	2	Xtxp019-sam01138	7.0	3.502	1.943	-0.473	0.243	7.6
Number of blades		6	sam24115-sam28726	12.8	3.502	4.075	0.284	0.070	8.6
	F_2∶3	2	Xtxp019-sam01138	7.0	4.085	-5.318	-0.152	0.029	4.6
		6	sam24115-sam28726	12.8	4.978	2.537	-0.648	0.255	5.6
		8	sam23850-sam14077	16.4	3.781	4.221	0.003	0.001	4.3
		9	sam79029-sam57208	2.3	3.078	4.468	-0.124	0.028	3.5
茎粗	F₂	1	sam15397-Xtxp284	10.7	3.689	4.027	0.721	0.179	7.6
Stem diameter		2	Xtxp019-sam01138	7.0	5.610	6.657	0.928	0.139	4.8
		4	sam00186-sam37422	3.5	3.995	-5.915	0.854	0.144	3.4
		6	sam24529-sam27218	11.2	3.026	3.107	1.085	0.349	6.1
		8	sam14077-sam47223	4.7	5.984	-5.816	1.447	0.249	10.8
		9	sam36089-sam43268	7.7	4.182	-7.946	1.561	0.196	3.6
	F_2∶3	1	Xtxp011-sam12415	18.7	3.800	2.451	0.722	0.295	4.3
		6	sam24529-sam27218	11.2	3.059	-1.238	0.762	0.616	3.5
		9	sam36089-sam43268	7.7	3.021	-3.329	-0.451	0.135	7.0
		8	sam14077-sam47223	4.7	5.073	-3.619	0.792	0.219	5.7
穗长	F₂	2	sam03897-sam77877	5.7	5.831	-5.891	1.871	0.318	5.0
Panicle length		3	sam44791-sam33751	9.5	6.443	1.359	1.771	1.303	11.9
		5	sam42264-sam42213	12.3	5.610	-1.461	0.434	0.297	4.8
		6	sam55781-sam21960	8.6	3.111	8.942	0.911	0.102	10.3
		8	sam07583-Xcup47	12.8	6.358	1.562	0.418	0.268	5.4
	F_2∶3	3	sam44791-sam33751	9.5	5.776	1.577	0.381	0.242	6.4
		5	sam23603-sam42249	4.6	3.040	-1.326	0.672	0.507	8.2
		6	sam55781-sam21960	8.6	6.840	1.753	-0.782	0.446	7.6
		7	sam47407-sam39622	8.1	3.097	1.158	-0.772	0.667	3.5
株高	F₂	1	Xcup25-sam08721	3.5	4.794	3.189	-0.279	0.087	8.3
Plant height		2	Xtxp019-sam01138	7.0	3.774	-2.087	-3.413	1.635	3.3
		3	sam42025-sam49059	11.9	3.417	-7.428	1.791	0.241	8.0
		5	sam48103-sam39915	9.7	3.502	-1.602	-1.661	1.037	6.9
		8	sam78341-sam27756	1.4	3.264	-1.846	-6.096	3.302	2.8
		9	sam51141-sam79029	2.5	3.145	1.844	-5.765	3.126	2.7
		10	sam51585-sam71091b	12.9	4.012	1.421	1.642	1.156	3.5
	F_2∶3	1	Xcup25-sam08721	3.5	3.762	-2.142	-1.906	0.890	4.2
		3	Xtxp285-sam25318	7.3	4.465	4.686	-2.189	0.467	5.0
		5	sam48103-sam39915	9.7	3.439	5.568	2.282	0.410	3.9
		9	sam51141-sam79029	2.5	3.097	1.288	-4.162	3.231	10.2
穗质量	F₂	1	sam17164-sam15397	9.4	5.627	1.573	-0.095	0.060	4.7
Panicle weight		2	Xcup26-Xtxp080	4.7	6.018	-1.281	-1.807	1.411	5.2
		3	sam68695-sam27790b	5.0	4.573	5.954	1.906	0.320	3.9
		8	sam17740-sam32873	23.6	3.315	2.651	2.231	0.842	2.9
	F_2∶3	9	sam60345b-sam07805c	7.1	6.004	3.055	-3.271	1.071	6.7
		10	xtxp258-sam58413	6.2	3.515	2.025	-1.876	0.926	4.0
整株鲜质量	F₂	1	sam18657-Xgap036	6.8	3.944	3.864	1.447	0.374	3.4
Whole plant		2	sam01138-Xcup74	5.9	4.165	-1.652	0.914	0.553	8.7
fresh weight		5	sam42264-sam42213	12.3	4.284	-3.872	1.039	0.268	3.7
		6	sam22243-sam00891	8.5	3.383	-6.014	-0.911	0.151	2.9
		7	sam47407-sam39622	8.1	3.088	6.197	-1.941	0.313	2.4
		8	sam10491-sam17740	9.4	6.069	-2.154	1.343	0.623	5.2
		9	sam36089-sam43268	7.7	4.369	-6.418	0.971	0.151	3.8
		10	Xtxp129-sam48932	9.7	3.026	-3.748	7.607	2.030	2.6
	F_2∶3	3	sam40933-Xisep0107	6.7	3.097	-3.814	9.498	2.490	3.5
		8	sam10491-sam17740	9.4	3.458	4.625	9.894	2.139	9.1
茎秆鲜质量	F₂	1	sam17164-sam15397	9.4	5.542	15.293	-2.012	0.132	4.8
Stem fresh weight		2	Xcup26-Xtxp080	4.7	6.001	-1.317	-1.788	1.358	5.1
		3	sam68695-sam27790b	5.0	4.454	5.858	1.916	0.327	3.8
	F_2∶3	7	sam47407-sam39622	8.1	3.211	6.266	-6.905	1.102	3.6
		8	gpsb069-sam78341	4.7	3.287	7.102	-0.940	0.132	3.7
		9	sam79029-sam57208	2.3	7.923	1.172	-1.421	1.212	8.7
		10	xtxp258-sam58413	6.2	4.351	7.266	-0.844	0.116	4.9
着壳率	F₂	2	Xtxp080-sam39365	7.9	4.216	3.425	0.118	0.034	7.1
Shelling rate	F_2∶3	2	Xtxp080-sam39365	7.9	4.216	3.425	0.118	0.034	7.1
		2	sam03897-sam77877	5.7	3.287	0.887	0.095	0.107	3.7
		7	sam39622-sam43980	12.7	4.712	0.766	-0.138	0.180	5.3
		8	sam32873-sam23503	3.5	3.116	0.981	0.157	0.160	3.5
		9	sam79029-sam57208	2.3	3.515	0.227	-0.191	0.841	4.0
千粒质量	F₂	4	sam56450-sam70236	9.5	6.001	6.488	2.502	0.386	4.8
Thousand kernels		8	sam10491-sam17740	9.4	3.978	-3.819	1.841	0.482	6.9
weight	F_2∶3	1	sam18657-Xgap036	6.9	3.781	7.754	7.633	0.984	4.3
		8	sam10491-sam17740	9.4	3.287	-2.696	-0.832	0.309	3.7
单穗粒质量	F₂	1	sam12415-sam16218	8.4	3.655	3.511	6.546	1.864	7.3
Grain weight		5	sam39915-sam33386	8.0	6.069	4.175	5.875	1.407	4.9
per panicle		6	sam22243-sam00891	8.5	4.284	-4.012	6.986	1.741	3.5
		8	sam10491-sam17740	9.4	5.916	-1.463	0.993	0.679	4.8
	F_2∶3	1	sam12415-sam16218	8.4	3.819	-8.365	5.527	0.661	4.3
		7	sam47407-sam39622	8.1	4.066	3.548	-4.032	1.136	4.6
		8	sam23850-sam14077	16.4	3.230	8.564	4.574	0.534	8.5
单穗粒数	F₂	1	Xqap036-Xtxp011	8.5	4.403	-8.135	2.875	0.353	3.7
Grain number		5	sam42264-sam42213	12.3	5.015	4.339	3.432	0.791	4.2
per panicle		8	sam07583-Xcup47	12.8	3.230	-9.534	3.255	0.341	6.7
		9	sam36089-sam43268	7.7	3.587	-1.462	1.985	1.358	3.0
	F_2∶3	8	sam07583-Xcup47	12.8	3.002	2.026	-1.872	0.924	4.0

性状 Trait		染色体 Chromosome	标记区间 Marker interval	距离/cM Distance	LOD	加性效应 Additive effect	显性效应 Dominance effect	显性势 Dominance potential	贡献率/% PVE
分蘖数	F₂	2	Xcup64-Xcup26	4.2	4.012	-3.861	-0.023	0.006	9.6
Number of tillers		10	sam710901b-sam59778	8.4	5.967	0.784	0.658	0.839	10.7
	F_2∶3	2	Xcup64-Xcup26	4.2	5.567	1.294	-0.819	0.633	6.2
		7	sam34510-sam41840	8.7	4.769	2.514	-0.516	0.205	5.4
		8	sam32873-sam23503	3.5	3.458	2.654	-0.367	0.138	3.9
		10	sam710901b-sam59778	8.4	5.111	4.411	-0.249	0.056	5.7
叶片数	F₂	2	Xtxp019-sam01138	7.0	3.502	1.943	-0.473	0.243	7.6
Number of blades		6	sam24115-sam28726	12.8	3.502	4.075	0.284	0.070	8.6
	F_2∶3	2	Xtxp019-sam01138	7.0	4.085	-5.318	-0.152	0.029	4.6
		6	sam24115-sam28726	12.8	4.978	2.537	-0.648	0.255	5.6
		8	sam23850-sam14077	16.4	3.781	4.221	0.003	0.001	4.3
		9	sam79029-sam57208	2.3	3.078	4.468	-0.124	0.028	3.5
茎粗	F₂	1	sam15397-Xtxp284	10.7	3.689	4.027	0.721	0.179	7.6
Stem diameter		2	Xtxp019-sam01138	7.0	5.610	6.657	0.928	0.139	4.8
		4	sam00186-sam37422	3.5	3.995	-5.915	0.854	0.144	3.4
		6	sam24529-sam27218	11.2	3.026	3.107	1.085	0.349	6.1
		8	sam14077-sam47223	4.7	5.984	-5.816	1.447	0.249	10.8
		9	sam36089-sam43268	7.7	4.182	-7.946	1.561	0.196	3.6
	F_2∶3	1	Xtxp011-sam12415	18.7	3.800	2.451	0.722	0.295	4.3
		6	sam24529-sam27218	11.2	3.059	-1.238	0.762	0.616	3.5
		9	sam36089-sam43268	7.7	3.021	-3.329	-0.451	0.135	7.0
		8	sam14077-sam47223	4.7	5.073	-3.619	0.792	0.219	5.7
穗长	F₂	2	sam03897-sam77877	5.7	5.831	-5.891	1.871	0.318	5.0
Panicle length		3	sam44791-sam33751	9.5	6.443	1.359	1.771	1.303	11.9
		5	sam42264-sam42213	12.3	5.610	-1.461	0.434	0.297	4.8
		6	sam55781-sam21960	8.6	3.111	8.942	0.911	0.102	10.3
		8	sam07583-Xcup47	12.8	6.358	1.562	0.418	0.268	5.4
	F_2∶3	3	sam44791-sam33751	9.5	5.776	1.577	0.381	0.242	6.4
		5	sam23603-sam42249	4.6	3.040	-1.326	0.672	0.507	8.2
		6	sam55781-sam21960	8.6	6.840	1.753	-0.782	0.446	7.6
		7	sam47407-sam39622	8.1	3.097	1.158	-0.772	0.667	3.5
株高	F₂	1	Xcup25-sam08721	3.5	4.794	3.189	-0.279	0.087	8.3
Plant height		2	Xtxp019-sam01138	7.0	3.774	-2.087	-3.413	1.635	3.3
		3	sam42025-sam49059	11.9	3.417	-7.428	1.791	0.241	8.0
		5	sam48103-sam39915	9.7	3.502	-1.602	-1.661	1.037	6.9
		8	sam78341-sam27756	1.4	3.264	-1.846	-6.096	3.302	2.8
		9	sam51141-sam79029	2.5	3.145	1.844	-5.765	3.126	2.7
		10	sam51585-sam71091b	12.9	4.012	1.421	1.642	1.156	3.5
	F_2∶3	1	Xcup25-sam08721	3.5	3.762	-2.142	-1.906	0.890	4.2
		3	Xtxp285-sam25318	7.3	4.465	4.686	-2.189	0.467	5.0
		5	sam48103-sam39915	9.7	3.439	5.568	2.282	0.410	3.9
		9	sam51141-sam79029	2.5	3.097	1.288	-4.162	3.231	10.2
穗质量	F₂	1	sam17164-sam15397	9.4	5.627	1.573	-0.095	0.060	4.7
Panicle weight		2	Xcup26-Xtxp080	4.7	6.018	-1.281	-1.807	1.411	5.2
		3	sam68695-sam27790b	5.0	4.573	5.954	1.906	0.320	3.9
		8	sam17740-sam32873	23.6	3.315	2.651	2.231	0.842	2.9
	F_2∶3	9	sam60345b-sam07805c	7.1	6.004	3.055	-3.271	1.071	6.7
		10	xtxp258-sam58413	6.2	3.515	2.025	-1.876	0.926	4.0
整株鲜质量	F₂	1	sam18657-Xgap036	6.8	3.944	3.864	1.447	0.374	3.4
Whole plant		2	sam01138-Xcup74	5.9	4.165	-1.652	0.914	0.553	8.7
fresh weight		5	sam42264-sam42213	12.3	4.284	-3.872	1.039	0.268	3.7
		6	sam22243-sam00891	8.5	3.383	-6.014	-0.911	0.151	2.9
		7	sam47407-sam39622	8.1	3.088	6.197	-1.941	0.313	2.4
		8	sam10491-sam17740	9.4	6.069	-2.154	1.343	0.623	5.2
		9	sam36089-sam43268	7.7	4.369	-6.418	0.971	0.151	3.8
		10	Xtxp129-sam48932	9.7	3.026	-3.748	7.607	2.030	2.6
	F_2∶3	3	sam40933-Xisep0107	6.7	3.097	-3.814	9.498	2.490	3.5
		8	sam10491-sam17740	9.4	3.458	4.625	9.894	2.139	9.1
茎秆鲜质量	F₂	1	sam17164-sam15397	9.4	5.542	15.293	-2.012	0.132	4.8
Stem fresh weight		2	Xcup26-Xtxp080	4.7	6.001	-1.317	-1.788	1.358	5.1
		3	sam68695-sam27790b	5.0	4.454	5.858	1.916	0.327	3.8
	F_2∶3	7	sam47407-sam39622	8.1	3.211	6.266	-6.905	1.102	3.6
		8	gpsb069-sam78341	4.7	3.287	7.102	-0.940	0.132	3.7
		9	sam79029-sam57208	2.3	7.923	1.172	-1.421	1.212	8.7
		10	xtxp258-sam58413	6.2	4.351	7.266	-0.844	0.116	4.9
着壳率	F₂	2	Xtxp080-sam39365	7.9	4.216	3.425	0.118	0.034	7.1
Shelling rate	F_2∶3	2	Xtxp080-sam39365	7.9	4.216	3.425	0.118	0.034	7.1
		2	sam03897-sam77877	5.7	3.287	0.887	0.095	0.107	3.7
		7	sam39622-sam43980	12.7	4.712	0.766	-0.138	0.180	5.3
		8	sam32873-sam23503	3.5	3.116	0.981	0.157	0.160	3.5
		9	sam79029-sam57208	2.3	3.515	0.227	-0.191	0.841	4.0
千粒质量	F₂	4	sam56450-sam70236	9.5	6.001	6.488	2.502	0.386	4.8
Thousand kernels		8	sam10491-sam17740	9.4	3.978	-3.819	1.841	0.482	6.9
weight	F_2∶3	1	sam18657-Xgap036	6.9	3.781	7.754	7.633	0.984	4.3
		8	sam10491-sam17740	9.4	3.287	-2.696	-0.832	0.309	3.7
单穗粒质量	F₂	1	sam12415-sam16218	8.4	3.655	3.511	6.546	1.864	7.3
Grain weight		5	sam39915-sam33386	8.0	6.069	4.175	5.875	1.407	4.9
per panicle		6	sam22243-sam00891	8.5	4.284	-4.012	6.986	1.741	3.5
		8	sam10491-sam17740	9.4	5.916	-1.463	0.993	0.679	4.8
	F_2∶3	1	sam12415-sam16218	8.4	3.819	-8.365	5.527	0.661	4.3
		7	sam47407-sam39622	8.1	4.066	3.548	-4.032	1.136	4.6
		8	sam23850-sam14077	16.4	3.230	8.564	4.574	0.534	8.5
单穗粒数	F₂	1	Xqap036-Xtxp011	8.5	4.403	-8.135	2.875	0.353	3.7
Grain number		5	sam42264-sam42213	12.3	5.015	4.339	3.432	0.791	4.2
per panicle		8	sam07583-Xcup47	12.8	3.230	-9.534	3.255	0.341	6.7
		9	sam36089-sam43268	7.7	3.587	-1.462	1.985	1.358	3.0
	F_2∶3	8	sam07583-Xcup47	12.8	3.002	2.026	-1.872	0.924	4.0

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高粱×苏丹草后代群体农艺及产量性状QTL初步定位

QTL Preliminary Mapping of Agronomic and Yield Traits in Sorghum×Sudan grass Progeny Population

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高粱×苏丹草后代群体农艺及产量性状QTL初步定位

QTL Preliminary Mapping of Agronomic and Yield Traits in Sorghum×Sudan grass Progeny Population

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