基于AHP-隶属函数法的棉花子叶期耐低钾能力鉴定

doi:10.3724/SP.J.1006.2024.34057

Abstract

Abstract:

In order to establish a rapid and reliable evaluation system for low-potassium (K) tolerance in cotton, the combination of decision evaluation model AHP and membership function method was used to evaluate the 384 cotton germplasm resources at the cotyledonary stage. The results showed that, under K deficiency (0.03 mmol L^-1), the coefficient of variation of the relative area of K deficiency spots on cotyledons was the largest (96.24%), the coefficient of variation of plant dry weight was the smallest (14.73%). This trait of angle between cotyledons and hypocotyls, root length, root surface area, root volume, K⁺ concentration, and K⁺ accumulation ranged from 15.72% to 31.52%. The angle between cotyledons and hypocotyl was significantly negatively correlated with the relative area of K deficiency spots. The characteristics of root morphology were positively correlated with plant dry weight and K⁺ accumulation. According to the evaluation of AHP-membership function method, the comprehensive evaluation C-value of 384 cotton germplasms varied from 0.25 to 0.79. Among which Wujiyizhihua (C-value = 0.7868) had the strongest resistance to low K, and Brazil 014 (C-value = 0.2451) had the lowest resistance to low K. The results of systematic clustering showed that the proportions of highly (C-value > 0.74) and moderately (0.33 < C-value < 0.69) low-K tolerant germplasms were 1.30% and 95.31%, respectively; and the proportion of low-potassium-sensitive (C-value < 0.33) germplasms was 3.39%. The correlation between seed K⁺concentration and low K tolerance of cotton at cotyledonary stage was not significant difference. In this study, the screening system of low-potassium tolerant germplasm resources of cotton was improved, the cotyledonary stage potassium tolerance of 384 test germplasms was identified, and 5 germplasms with strong potassium tolerance (Wujiyizhihua, Brown 1-61, Black Mountain Cotton 1, Qinli 514, Soviet Cotton 78) were screened, which provided the theoretical and application value.

Key words: cotton, potassium deficiency spots on cotyledons, roots, biomass, potassium content, membership function

TAN Zhi-Xin, XIE Liu-Wei, LI Hong-Ge, LI Fang-Jun, TIAN Xiao-Li, LI Zhao-Hu. Identification of cotton low potassium tolerance based on AHP-membership function method at cotyledonary stage[J].Acta Agronomica Sinica, 2024, 50(1): 199-208.

Figures/Tables 11

Table S1

Germplasm material variety names and the ranking of low potassium tolerance"

编号 Number	品种名称 Variety name	综合评价值C Comprehensive evaluation value C	编号 Number	品种名称 Variety name	综合评价值C Comprehensive evaluation value C
K1	中远9114 Zhongyuan 9114	0.5405	K2	华中远92 Huazhongyuan 92	0.4329
K3	冀A17 JiA17	0.5808	K4	晋棉21 Jingmian 21	0.5899
K5	太原02-25 Taiyuan 02-25	0.3265	K6	太原02-47 Taiyuan 02-47	0.5299
K7	晋农大远2-3 Jinnongdayuan 2-3	0.6874	K8	苏远04-60 Suyuan 04-60	0.5838
K9	苏远04-156 Suyuan 04-156	0.4610	K10	远2918 Yuan 2918	0.6571
K11	AC-241	0.6153	K12	PD0111	0.5052
K13	PD2164	0.3656	K14	FJA	0.5926
K15	PD3249	0.4088	K16	PD9364	0.3221
K17	FTA	0.5316	K18	AC239	0.3489
K19	PD4381	0.5954	K20	PD9232	0.4243
K21	PD9223	0.4383	K22	苏联棉143 Soviet cotton 143	0.5660
K23	Pambe	0.5274	K24	G.mexicanum	0.4788
K25	6086	0.4266	K26	75078-1	0.3821
K27	150夫 150 Fu	0.4001	K28	塔什干3 Tashkent 3	0.3680
K29	Local zavodskaya smes’	0.4963	K30	Jan-90	0.4086
K31	402	0.4430	K32	洛克特77 Lockett 77	0.5147
K33	迪克西金 Dixikin	0.5100	K34	Gulla	0.4284
K35	布兰科3363 Blanco 3363	0.5586	K36	B.P.A.(BPA)	0.5219
K37	B557	0.3284	K38	N98-283	0.4591
K39	588	0.3837	K40	巴西017 Brazil 017	0.4606
K41	MS-66	0.3631	K42	巴西014 Brazil 014	0.2451
K43	82167 PC-11	0.4171	K44	鲁16188Bt Lu 16188Bt	0.4175
K45	冀省03H16 Ji Province 03H16	0.4659	K46	冀资64 Ji capital 64	0.2939
K47	苏远1028 Suyuan 1028	0.3204	K48	鲁5297 Lu 5297	0.4685
K49	鲁R1297 Lu R1297	0.3112	K50	库车130292 Kuqa 130292	0.3708
K51	剑河南哨棉1 Jian Henan Cotton 1	0.4423	K52	太平-陆3号 Taiping-Lu 3	0.3827
K53	江南-陆1号 Gangnam-Lu 1	0.3881	K54	富宁-陆 Funing-Lu	0.4214
K55	新县-陆 Xinxian-Lu	0.4218	K56	下冻-陆 Xiadong-Lu	0.4002
K57	榜圩-陆 Bangwei-Lu	0.3262	K58	三洞-陆1号 Sandong-Lu 1	0.4078
K59	70-29-5	0.5112	K60	台湾光复3号 Taiwanguangfu 3	0.4966
K61	大理75-8 Dali 75-8	0.5790	K62	东兰大花 Donglandahua	0.4133
K63	三江八江大花 Sanjiangbajiangdahua	0.2797	K64	三都大洋花 Sandudayanghua	0.4703
K65	富川湿坝大花 Fuchuanshibadahua	0.5858	K66	滇373 Dian 373	0.6832
K67	中棉所3号 Zhongmiansuo 3	0.5496	K68	中棉所4号 Zhongmiansuo 4	0.6615
K69	鄂荆92 Ejing 92	0.6058	K70	冀棉1号 Jimian 1	0.5917
K71	鄂棉14 Emian 14	0.4639	K72	中棉所24 Zhongmiansuo 24	0.5159
K73	鄂抗棉3号 Ekang Cotton 3	0.5425	K74	鄂抗棉9号 Ekang Cotton 9	0.3798
K75	浙905 Zhe 905	0.4663	K76	关农1号 Guannong 1	0.5836
K77	辽棉1号 Liaomian 1	0.6829	K78	一树红 Yishuhong	0.4336
K79	中棉所2号 Zhongmiansuo 2	0.4398	K80	宛棉3号 Wanmian 3	0.6329
K81	川113 Chuan 113	0.5218	K82	红狮7号 Red Lion 7	0.4931
K83	荆棉4号 Jingmian 4	0.5114	K84	南通5号 Nantong 5	0.4315
K85	南通11号 Nantong 11	0.5164	K86	波棉1号 Bomian 1	0.5329
K87	养马大桃 Yangmadatao	0.6560	K88	岱辽棉 Dailiaomian	0.5540
K89	澧4039 Li 4039	0.6116	K90	中3474 Zhong 3474	0.5633
K91	5245	0.5344	K92	湘1-170 Xian 1-170	0.6225
K93	中31 Zhong 31	0.5588	K94	鲁155 Lu 155	0.4870
K95	冀植36-3 Jizhi 36-3	0.3966	K96	徐州538 Xuzhou 538	0.4403
K97	华中101 Huazhong 101	0.5102	K98	苏棉7号 Sumian 7	0.4798
K99	新陆早9号 Xinluzao 9	0.3483	K100	豫棉15 Yumian 15	0.5272
K101	新陆早5号 Xinluzao 5	0.4762	K102	鄂棉4号 Emian 4	0.5689
K103	襄棉2号 Xiangmian 2	0.6151	K104	鸭棚棉 Yapengmian	0.4681
K105	369-10	0.4699	K106	383抗 383 Kang	0.3624
K107	反帝棉 Fandimian	0.5956	K108	冀棉8号 Jimian 8	0.4493
K109	鲁棉1号 Lumian 1	0.5649	K110	运安4号 Yunan 4	0.5368
K111	莘547 Sheng 547	0.5936	K112	岱红岱 Daihongdai	0.4750
K113	洞庭3号 Dongting 3	0.4704	K114	枣阳不落蕾 Zaoyangbuluolei	0.5452
K115	沪棉204 Humian 204	0.4842	K116	慈棉9号 Cimian 9	0.5236
K117	彭泽4号 Pengze 4	0.4167	K118	邵阳大桃Shaoyangdatao	0.4239
K119	延64-1 Yan 64-1	0.4832	K120	中521 Zhong 521	0.4322
K121	咸棉858 Xianmian858	0.4497	K122	鄂沙28 Esha 28	0.4776
K123	徐州514 Xuzhou 514	0.4676	K124	徐州142 Xuzhou 142	0.5579
K125	泗棉2号 Simian 2	0.5295	K126	肖县133 Xiaoxian 133	0.4165
K127	保6716 Bao 6716	0.4614	K128	中棉所12号 Zhongmiansuo 12	0.5108
K129	无极一枝花 Wujiyizhihua	0.7868	K130	中棉所19号 Zhongmiansuo 19	0.5937
K131	临清201 Linqing 201	0.5722	K132	宛早686 Wanzao 686	0.5972
K133	宛231 Wan 231	0.5870	K134	中棉所23号 Zhongmiansuo 23	0.6140
K135	南丹巴地大花 Nandanbadidahua	0.6002	K136	八农212 Banong 212	0.6022
K137	中植BD13 Zhongzhi BD13	0.6093	K138	临清2350 Linqing 2350	0.6356
K139	华中106 Huazhong 106	0.6060	K140	中棉所10号 Zhongmiansuo 10	0.6103
K141	黑山棉1号 Heishan Cotton 1	0.7634	K142	锦棉2号 Jinmian 2	0.4919
K143	Chirpan996	0.6121	K144	辽棉9号 Liaomian 9	0.6027
K145	中棉所16号 Zhongmiansuo 16	0.5518	K146	冀91-28 Ji 91-28	0.5590
K147	陕2754 Shan 2754	0.6347	K148	陕2812 Shan 2812	0.5312
K149	达棉20号 Damian 20	0.4989	K150	豫早275 Yuzao 275	0.6467
K151	运93 Yu 93	0.6033	K152	运94H-32 Yun 94H-32	0.4144
K153	辽锦棉3号 Liaojinmian 3	0.5516	K154	库车T94-4 Kuche T94-4	0.6245
K155	豫棉19 Yumian 19	0.5028	K156	邯284 Han 284	0.4840
K157	双价321 Shuangjia 321	0.5167	K158	新陆早10号 Xinluzao 10	0.3410
K159	莎陆1号 Shalu 1	0.6752	K160	秦荔514 Qinli 514	0.7509
K161	宁棉18号 Ningmian 18	0.6863	K162	桂罗成大棉 Guiluochengdamian	0.5246
K163	新陆中5号 Xinluzhong 5	0.5325	K164	苏抗310 Sukang 310	0.4422
K165	豫棉18 Yumian 18	0.5386	K166	国欣棉3号 Guoxinmian 3	0.4164
K167	晋棉38 Jinmian 38	0.3632	K168	中植86-6 Zhongzhi 86-6	0.4457
K169	简阳303 Jianyang 303	0.4184	K170	宁棉9号 Ningmian 9	0.4794
K171	新陆早36 Xinluzao 36	0.4785	K172	博乐34号 Bole 34	0.3859
K173	陕4080 Shan 4080	0.4066	K174	赣棉12号 Ganmian 12	0.4184
K175	中遗红2 Zhongyihong 2	0.6066	K176	苏远04-3 Suyuan 04-3	0.4113
K177	苏远04-129 Suyuan 04-129	0.6278	K178	J02508	0.4413
K179	辽4853 Liao 4853	0.4149	K180	太原4号 Taiyuan 4	0.4697
K181	中棉所49 Zhongmiansuo 49	0.4711	K182	河南79号 Henan 79	0.4745
K183	酒棉2号 Jiumian 2	0.6401	K184	晋棉36 Jinmian 36	0.4403
K185	中2201 Zhong 2201	0.5059	K186	晋7 Jin 7	0.6516
K187	陕954 Shan 954	0.6572	K188	仁洞67-86 Rendong 67-86	0.5099
K189	江苏棉1号 Jiangsumian 1	0.5421	K190	陕三原78-782 Shansanyuan 78-782	0.5333
K191	平塘老洋花 Pingtanglaoyanghua	0.5186	K192	北褚公社棉 Beizhugongshemian	0.5385
K193	抗5 Kang 5	0.4908	K194	赣早032 Ganzao 032	0.5199
K195	中6331 Zhong 6331	0.4430	K196	军棉1号 Junmian 1	0.6032
K197	上海368 Shanghai 368	0.4923	K198	麻阳棉花 Mayangmianhua	0.5244
K199	巴马那大棉 Bamanadamian	0.6223	K200	南丹里湖大棉 Nandanlihutaimian	0.4604
K201	华中远91 Huazhongyuan 91	0.5525	K202	鄂E901 E E901	0.6351
K203	川3593 Chuan 3593	0.4468	K204	鄂4396 E 4396	0.6248
K205	吐83-161Tu 83-161	0.4771	K206	中沪植3910 Zhonghuzhi 3910	0.6396
K207	孝2168 Xiao 2168	0.4600	K208	中棉所30 Zhongmiansuo 30	0.6040
K209	石河子913 Shihezi 913	0.5657	K210	新研96-48 Xinyan 96-48	0.6451
K211	科遗7号 Keyi 7	0.6158	K212	新陆中8号 Xinluzhong 8	0.6384
K213	洞庭1号 Dongting 1	0.5599	K214	荆55173 Jin 55173	0.3984
K215	鲁原343 Luyuan 343	0.6501	K216	中棉所50 Zhongmiansuo 50	0.5313
K217	新陆早31 Xinluzao 31	0.4989	K218	中远0114 Zhongyuan 0114	0.4911
K219	运1812 Yun 1812	0.6322	K220	徐州6号 Xuzhou 6	0.6013
K221	新陆早7号 Xinluzao 7	0.4663	K222	一把鞭 Yibabian	0.6874
K223	鲁棉2号 Lumian 2	0.5228	K224	中棉所17号Zhongminasuo 17	0.5572
K225	鲁1138 Lu 1138	0.5776	K226	中植86-1 Zhongzhi 86-1	0.6566
K227	鄂抗棉8号 Ekangmian 8	0.5268	K228	鲁棉6号 Lumian 6	0.6196
K229	中棉所35 Zhongmiansuo 35	0.5277	K230	新棉33B Xinmian 33B	0.4860
K233	中棉所41 Zhongmiansuo 41	0.5782	K234	泗168 Si 168	0.5821
K235	乍得3号 Zhade 3	0.5773	K236	农光一号 Nongguang 1	0.5752
K237	土库曼棉 Turkmen cotton	0.5391	K238	酒棉8号 Jiumian 8	0.4319
K239	晋棉46 Jinmian 46	0.4513	K240	苏联棉78 Soviet Cotton 78	0.7406
K241	MAR-7A-3	0.5054	K242	快车棉Express Cotton	0.5880
K243	King	0.6074	K244	保 2367 Bao 2367	0.5730
K245	晋棉49 Jinmian 49	0.5684	K246	非洲棉E-40 African Cotton E-40	0.4798
K247	GP203	0.6496	K248	德州973 Dezhou 973	0.6010
K249	澳V2/757 Ao V2/757	0.5602	K250	F281	0.4877
K251	绿絮1号 Lvxu 1	0.5827	K252	中棉所60 Zhongmiansuo 60	0.5040
K253	Miscot7803-52	0.5338	K254	冀丰908 Jinfeng 908	0.4355
K255	鲁棉研28号 Lumianyan 28	0.4047	K256	GP135	0.4121
K257	鄂0908 E 0908	0.3694	K258	阿肯色971 Arkansas 971	0.3140
K259	棕絮1号 Brown floc No.1	0.6297	K260	晋棉34 Jinmian 34	0.4375
K261	岱字棉16号 Daizimian 16	0.4342	K262	澳SiV2 Ao SiV2	0.3649
K263	Delcot277-5	0.4863	K264	棕2-63 Brown 2-63	0.4208
K265	司-6524 Si-6524	0.6384	K266	GZNn	0.4290
K267	AC321	0.4123	K268	V1	0.4013
K269	超鸡脚德字棉 Chaojijiaodezimian	0.4699	K270	湘棉18 Xianmian 18	0.3520
K271	PD2165	0.3616	K272	石抗39 Shikang 39	0.2740
K273	银棉1号 Yinmian 1	0.4012	K274	苏优6036 Suyou 6036	0.4741
K275	农大棉7号 Nongdamian 7	0.4179	K276	博乐07-11 Bole 07-11	0.3092
K277	中棉所81 Zhongmiansuo 81	0.4427	K278	DES926	0.5104
K279	N74-250	0.6399	K280	M-8124-1159	0.5058
K281	中RI015 Zhong RI015	0.4009	K282	PD6186	0.3772
K283	HF5RUP	0.3547	K284	С3210	0.5764
K285	哥伦比亚 Columbia	0.5890	K286	德字棉2404 Dezimian 2404	0.5115
K287	Pilose-3	0.6391	K288	Qik	0.4395
K289	辽无1201 Liaowu 1201	0.5835	K290	布哈拉6号 Bukhara 6	0.5289
K291	Z37less	0.6031	K292	PD97072	0.4670
K293	Delfos9169A	0.6159	K294	Desmotada	0.4913
K295	晋农大远3-1 Jinnongdayuan 3-1	0.6622	K296	美87-2 America 87-2	0.5312
K297	L-5F45	0.5218	K298	安集延-60 Andijan-60	0.6235
K299	DP90	0.3844	K300	密斯柯特8711ne Miscot 8711ne	0.4122
K301	EmpireStrN2-4	0.3826	K302	V83-013	0.4230
K303	Cestam86-1	0.3200	K304	PD0113	0.4465
K305	苏联棉118 Soviet Cotton 118	0.4309	K306	中植棉2号 Zhongzhimian 2	0.5696
K307	Rowden	0.5534	K308	费尔干175 Fergan 175	0.4188
K309	中无372 Zhongwu 372	0.3940	K310	新陆中35号 Xinluzhong 35	0.4174
K311	农林1号 Nonglin 1	0.4602	K312	宁523 Ning 523	0.4753
K313	Local Cotton	0.5406	K314	苏联棉12 Soviet Cotton 12	0.4999
K315	辽 315 Liao 315	0.6059	K316	蔡科510 Caike 510	0.6100
K317	澧771-436 Li 771-436	0.5762	K318	邓恩HS120 Dunn HS120	0.6556
K319	苏联8909 Soviet Union 8909	0.6195	K320	百棉1号 Baimian 1	0.4860
K321	岱字棉15号 Daizimian 15	0.4868	K322	LambrightGL-N	0.4839
K323	108F	0.5040	K324	斯字棉453 Sizimian 453	0.4907
K325	gL2gl3	0.5307	K326	紫褐陆地棉 Purple brown cotton	0.6729
K327	FH682	0.3825	K328	N73DeltapineNGF	0.4495
K329	中21371 Zhong 21371	0.3552	K330	冀169 Ji 169	0.3381
K331	Ari1327	0.3865	K332	Ari971	0.3767
K333	A41772BBt	0.3856	K334	SGK9708	0.3906
K335	大铃棉69号 Dalingmian 69	0.3422	K336	辽阳多毛 Liaoyangduomao	0.5137
K337	R01三都85 Ro1 Sandu 85	0.6495	K338	中R773-310 Zhong R773-310	0.6169
K339	中R773-314 Zhong R773-314	0.4517	K340	中1138E24 Zhong 1138E24	0.4322
K341	中棉所43 Zhongmiansuo 43	0.4720	K342	望江棉 Wangjiangmian	0.4751
K343	原247-31 Yuan 247-31	0.4608	K344	Ari3696	0.4431
K345	苏优6003 Suyou 6003	0.5409	K346	A971Bt	0.3809
K347	RT白絮 RT Baixu	0.5048	K348	苏远7235 Suyuan 7235	0.4805
K349	五三长绒 Wusanchangrong	0.4894	K350	RTN78	0.5124
K351	Ari3697	0.4057	K352	中1421 Zhong 1421	0.3805
K353	4133Bt	0.3604	K354	中1441 Zhong 1441	0.4995
K355	棕1-61 Brown 1-61	0.7686	K356	棕128 Brown 128	0.5048
K357	中棉所82 Zhongmiansuo 82	0.5023	K358	棕S9B11 Brown S9B11	0.4746
K359	棕S9B12 Brown S9B12	0.6428	K360	冀棉668 Jimian668	0.4990
K361	新陆早3号 Xinluzao 3	0.5002	K362	廊黄F10 Langhuang F10	0.3950
K363	苏棉12 Sumian 12	0.4421	K364	乌干达3号 Uganda 3	0.4948
K365	常抗棉 Changkangmian	0.5303	K366	86-1	0.6029
K367	徐州553 Xuzhou 553	0.5215	K368	冀棉11号 Jimian 11	0.5366
K369	TM-1	0.5425	K370	芽黄Yahuang	0.5128
K371	渝棉1号 Yumian 1	0.4522	K372	372	0.3841
K373	冀棉20 Jimian20	0.4594	K374	J02-247	0.4875
K375	邯郸333 Handan 333	0.5388	K376	中棉所36 Zhongmiansuo 36	0.4700
K377	晋棉20号 Jinmian 20	0.5201	K378	苏棉9号 Sumian 9	0.4936
K379	银山6号 Yinshan 6	0.4300	K380	鲁棉研16号 Lumianyan 16	0.4153
K381	晋棉25号 Jinmian 25	0.5181	K382	鄂抗棉10号 Ekangmian 10	0.4826
K383	中078 Zhong 078	0.4970	K384	冀棉17号 Jimian 17	0.5467

Table S1

Fig. 1

Fig. 2

Table 1

Fig. 3

Table 2

Table 3

Table 4

Fig. 4

Fig. 5

Table 6

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评价指标 Evaluation index	最小值 Min.	最大值 Max.	中位数 Median	平均值 Mean	标准差 SD	变异系数 CV (%)
缺钾斑相对面积 Proportion of potassium deficiency spots on cotyledon (%)	0.000	82.845	12.660	17.733	16.777	96.24
子叶与下胚轴夹角 Angle between cotyledon and hypocotyl (°)	4.621	74.971	40.062	40.173	12.662	31.52
根系总长度 Total root length (cm)	56.112	350.573	173.060	175.455	45.188	25.75
根系总表面积 Total root surface area (cm²)	10.796	54.962	29.670	30.371	6.373	20.98
平均根直径Average root diameter (mm)	0.280	0.809	0.549	0.559	0.093	16.64
根系总体积 Total root volume (cm³)	0.162	1.012	0.408	0.428	0.119	27.80
植株干重 Plant dry weight (g)	0.316	0.848	0.543	0.543	0.080	14.73
K⁺浓度 Potassium content (mg g^-1)	3.000	10.431	6.683	6.608	1.039	15.72
K⁺积累量 Potassium accumulation (mg plant^-1)	0.394	1.472	0.886	0.892	0.172	19.28

指标Index	PPDSC	ACH	TRL	TRSA	ARD	TRV	PDW	PC	PA
PPDSC	1
ACH	-0.56^**	1
TRL	0.23^**	-0.04	1
TRSA	0.17^*	-0.09	0.76^**	1
ARD	-0.21^**	0.02	-0.60^**	0	1
TRV	0.07	-0.09	0.26^**	0.78^**	0.51^**	1
PDW	-0.11	0.10	0.24^**	0.26^**	-0.02	0.16^*	1
PC	-0.17^*	0.06	0.15^*	0.20^**	0.00	0.19^**	-0.29^**	1
PA	-0.16^*	0.08	0.37^**	0.41^**	-0.03	0.30^**	0.59^**	0.59^**	1

指标Index	PPDSC	ACH	TRL	TRSA	TRV	PDW	PC
PPDSC	1	2	1	1	1	1/3	1/2
ACH	1/2	1	1/2	1/2	1/2	1/6	1/4
TRL	1	2	1	1	1	1/3	1/2
TRSA	1	2	1	1	1	1/3	1/2
TRV	1	2	1	1	1	1/3	1/2
PDW	3	6	3	3	3	1	2
PC	2	4	2	2	2	1	1

指标Index	M_i	$M$	W_i	AW_i
PPDSC	0.333	0.8546	0.1026	0.7286
ACH	0.003	0.4275	0.0513	0.3645
TRL	0.333	0.8546	0.1026	0.7286
TRSA	0.333	0.8546	0.1026	0.7286
TRV	0.333	0.8546	0.1026	0.7286
PDW	972.000	2.6718	0.3208	2.2949
PC	64.000	1.8114	0.2175	1.5644
λ_max	7.1220
CR	0.0154

种质材料 Germplasm	K⁺浓度Potassium content (mg g^-1)		综合评价值C Comprehensive evaluation value C
种质材料 Germplasm	种仁 Kernel	种壳 Hull	综合评价值C Comprehensive evaluation value C
K159	15.4	10.7	0.67524
K222	14.6	10.7	0.68742
K133	13.5	9.7	0.58696
K338	14.6	9.4	0.61690
K143	14.5	9.75	0.61214
K229	15.1	12.3	0.52767
P > F	0.0724	0.275	—

Identification of cotton low potassium tolerance based on AHP-membership function method at cotyledonary stage

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