两种机械化种植方式对优质晚籼稻产量和品质的影响

doi:10.3864/j.issn.0578-1752.2022.20.004

Abstract

Abstract:

【Objective】The experiment was conducted to clarify the differences in the yield and quality of double cropping high-quality late indica rice and the selection criteria for variety tapes under mechanical transplanting (MT) and mechanical direct seeding (MS).【Method】Early-maturing late indica rice, medium-maturing late indica rice, moderately late-maturing late indica rice, late-maturing late indica rice and extremely late-maturing late indica rice were used as materials, and two planting methods including MT and MS were set to study the yield and quality characteristics of high-quality late indica rice.【Result】(1) The seed setting rate and the number of spikelets in the population of the high-quality late indica rice under MT were significantly higher than that under MS, and the 1000-grain weight under MT also increased, finally the actual yield was significantly increased. For MT, the medium-maturing late indica rice had the highest yield, followed by moderately late-maturing late indica rice; while for MS, the early-maturing late indica rice had the highest yield, followed by medium-maturing late indica rice. (2) Compared with MS, the processing quality of high-quality late indica rice varieties under MT was better for the significantly higher brown rice rate, milled rice rate and head rice rate, but the appearance quality deteriorated because of the increased chalky rice rate and chalkiness degree. The cooking quality improved for higher gel consistency, breakdown, taste value and lower amylose content. The highest brown rice rate, milled rice rate, and head rice rate were all found in medium-maturing late indica rice under two planting methods, chalky rice rate and chalkiness degree among different varieties showed the trend of extremely late-maturing late indica rice

Key words: high quality late indica rice, mechanical transplanting, mechanical direct seeding, yield, rice quality

GUO BaoWei,TANG Chuang,WANG Yan,CAI JiaXin,TANG Jian,ZHOU Miao,JING Xiu,ZHANG HongCheng,XU Ke,HU YaJie,XING ZhiPeng,LI GuoHui,CHEN Heng. Effects of Two Mechanical Planting Methods on the Yield and Quality of High-Quality Late Indica Rice[J].Scientia Agricultura Sinica, 2022, 55(20): 3910-3925.

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Figures/Tables 12

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Table 6

Yield and composition of high quality late indica rice by mechanical transplanting and mechanical direct seeding"

年份 Year	种植方式 Planting method	品种类型 Variety type	穗数 Panicle (×10⁴·hm^-2)	每穗粒数 Spikelets per panicle	总颖花量 Total number of spikelets (×10⁴·hm^-2)	结实率 Seed-setting rate (%)	千粒重 1000-grain weight (g)	理论产量 Theoretical yield (kg·hm^-2)	实际产量 Actual yield (kg·hm^-2)
2019	机插 MT	早熟晚籼EMLI	334.8Ab	127.3Cd	42603.3Cc	83.0Aa	24.2Aa	8557.3Ab	7807.5Bc
		中熟晚籼MMLI	339.0Aa	133.5Bb	45277.0Bb	83.6Aa	23.5Aa	8887.4Aa	8411.0Aa
		偏迟熟晚籼MLMLI	338.9Aa	133.4Bb	45219.3Bb	84.2Aa	21.9ABb	8344.1ABc	8033.1Bb
		迟熟晚籼LMLI	336.8Ab	146.3Aa	49295.1Aa	78.7Bb	20.8Bc	8058.1Bd	7673.3BCd
		过迟熟晚籼ELMLI	328.5Bc	129.9Cc	42672.2Cc	74.7Cc	21.2ABb	6757.7Ce	6255.0De
	机直播 MS	早熟晚籼EMLI	343.5Bb	129.3Bb	44414.6Bb	78.0Aa	24.0Aa	8310.1Aa	7715.6Aa
		中熟晚籼MMLI	351.0Aa	128.5Bb	45075.2Bb	77.3Ab	23.4Aa	8126.3Aa	7525.4Ab
		偏迟熟晚籼MLMLI	354.8Aa	118.8Cd	42134.8Bc	78.9Aa	21.7Bb	7220.7Bb	6821.6Bc
		迟熟晚籼LMLI	346.8Bb	138.2 Aa	47915.3Aa	70.6Bc	20.1Bc	6797.3Cc	6271.1Cd
		过迟熟晚籼ELMLI	312.0Cc	120.6Cc	37627.2Cd	47.6Cd	18.6Cd	3331.4Dd	3014.5De
	机插均值Mean of MT		335.6Ab	134.1Aa	45013.3Aa	80.8Aa	22.3Aa	8120.8Aa	7636.0Aa
	机直播均值Mean of MS		341.6Aa	127.1Bb	43433.4Ab	70.5Bb	21.6Aa	6757.1Bb	6429.6Bb
2020	机插 MT	早熟晚籼EMLI	343.5Aab	130.3ABb	44785.1Cc	78.5Ab	24.2Aa	8504.9Aa	7756.5Bc
		中熟晚籼MMLI	340.2Ab	135.8Ab	46186.8Bb	77.5Abc	23.6Ab	8432.8Ab	7968.2Aa
		偏迟熟晚籼MLMLI	350.9Aa	130.1ABb	45659.2BCc	79.7Aa	22.5ABc	8186.4Ab	7866.0ABb
		迟熟晚籼LMLI	338.6Ab	140.1Aa	47416.5Aa	78.7Ab	20.9Bd	7801.0Bc	7258.8Cd
		过迟熟晚籼ELMLI	329.4Bc	128.2Cc	42239.0Dd	32.3Bd	20.2Bd	2754.2Dd	2331.0De
	机直播 MS	早熟晚籼EMLI	350.3Aa	129.3Aa	45297.8Aa	77.7Aa	23.7Aa	8340.5Aa	7759.4Aa
		中熟晚籼MMLI	351.7Aa	125.7Ab	44205.7Bb	73.8Bb	23.5Aa	7660.2Bb	7335.9Bb
		偏迟熟晚籼MLMLI	353.7Aa	117.5ABc	41553.0Cc	73.8Bb	21.8Bb	6682.5Cc	6189.0Cc
		迟熟晚籼LMLI	350.3Aa	130.3Aa	45625.9Aa	70.1Cc	20.5ABc	6553.1Cc	5997.8Cd
		过迟熟晚籼ELMLI	336.8Bb	113.3Cd	38170.1Dd	30.5Dd	20.8ABc	2422.3Dd	1923.0De
	机插均值Mean of MT		340.5Ab	133.1Aa	45324.1Aa	69.4Aa	22.3Aa	7148.6Aa	6636.1Aa
	机直播均值Mean of MS		348.6Aa	123.2Bb	42970.5Bb	65.2Bb	22.1Aa	6331.7Bb	5841.0Bb

Table 6

Table 7

Table 8

Table 9

Table 10

RVA profile characteristics of high-quality late indica rice by mechanical transplanting and mechanical direct seeding"

年份 Year	种植方式 Planting method	品种类型 Variety type	峰值黏度 PKV (cP)	热浆黏度 THV (cP)	崩解值 BKD (cP)	最终黏度 FLV (cP)	消减值 STB (cP)	糊化温度 PAT (℃)
2019	机插 MT	早熟晚籼EMLI	2800.5Aa	1683.5Ab	1117.0Abc	2887.5Ab	87.0Bb	88.6Aa
		中熟晚籼MMLI	2877.0Aa	1696.8Aab	1180.3Aa	2947.3Aa	70.3Cd	88.2Aa
		偏迟熟晚籼MLMLI	2774.8Abc	1593.8Bc	1181.0Aa	2702.5Bc	-72.3De	87.1Ab
		迟熟晚籼LMLI	2737.8ABc	1724.3Aa	1013.5Bc	2910.5Aab	172.8Aa	88.6Aa
		过迟熟晚籼ELMLI	2728.0Bc	1650.0Ab	1078.0ABc	2912.0Aa	184.0Aa	88.6Aa
	机直播 MS	早熟晚籼EMLI	2738.5Bb	1634.0Ab	1104.5Ab	2905.0Aa	166.5Bb	90.8ABb
		中熟晚籼MMLI	2881.5Aa	1719.3Aa	1162.3Aa	2988.3Aa	106.8Cc	87.4Cd
		偏迟熟晚籼MLMLI	2714.5Bb	1570.8Bc	1143.8Aa	2692.0Bb	-22.5Dd	89.6Bc
		迟熟晚籼LMLI	2690.3Bbc	1714.0Aa	976.3Bc	2926.0Aa	235.8Aa	91.3Aa
		过迟熟晚籼ELMLI	2685.0Bc	1623.0Ab	1062.0Bb	2902.0Aa	217.0Aa	91.1Aab
	机插均值Mean of MT		2788.4Aa	1670.9Aa	1117.6Aa	2865.0Aa	76.6Bb	88.09Ab
	机直播均值Mean of MS		2749.5Aa	1658.1Aa	1091.4Ab	2877.4Aa	127.9Aa	89.82Aa
2020	机插 MT	早熟晚籼EMLI	2828.0Aa	1629.5ABb	1198.5Aa	2893.5Ab	65.5Bc	91.4Bb
		中熟晚籼MMLI	2895.5Aa	1709.3Aa	1186.2Aa	2940.0Aa	44.5Bd	90.2Bc
		偏迟熟晚籼MLMLI	2748.5Bb	1544.8Bc	1203.8Aa	2732.0Bb	-16.5De	88.2Cd
		迟熟晚籼LMLI	2758.8Bb	1698.0Aa	1060.8Bb	2916.8Aab	158.0Ab	91.3Bb
		过迟熟晚籼ELMLI	2745.0Bb	1686.0Aa	1059.0Bb	2930.5Aa	185.5Aa	94.6Aa
	机直播 MS	早熟晚籼EMLI	2785.0Ab	1684.0Aa	1101.0Ab	2900.0Ab	115.0Cc	90.6Bb
		中熟晚籼MMLI	2855.0Aa	1652.3Ab	1202.8Aa	2934.3Ab	79.3Dd	90.2Bb
		偏迟熟晚籼MLMLI	2691.8Bc	1499.3Bc	1192.5Aa	2708.0Cd	16.3Ee	92.3Ab
		迟熟晚籼LMLI	2677.0Bc	1679.5Aa	997.5Ac	2872.8Bc	195.8Bb	92.2Ab
		过迟熟晚籼ELMLI	2700.0Bb	1658.0Ab	1042.0Ab	3022.5Aa	322.5Aa	93.7Aa
	机插均值Mean of MT		2797.3Aa	1652.4Aa	1144.9Aa	2875.2Aa	77.9Bb	90.67Ab
	机直播均值Mean of MS		2741.6Aa	1625.5Aa	1116.1Ab	2869.1Aa	127.5Aa	91.71Aa

Table 10

Table 11

Table 12

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月份 Month	平均气温 Average temperature (℃)		日照时数 Sunshine hours (h)		降雨量 Rainfall (mm)
月份 Month	2019	2020	2019	2020	2019	2020
6月June	26.0	27.3	137.3	107.4	296.3	250.9
7月July	27.7	28.5	176.6	154.2	313.8	297.9
8月August	30.2	29.5	282.6	283.6	11.8	134.1
9月September	26.7	22.9	280.2	82.7	11.7	118.1
10月October	21.1	19.0	161.5	118.9	13.8	37.2
11月November	15.0	15.1	163.1	123.3	22.5	90.0

年份 Year	种植方式 Planting method	品种类型 Variety type	播种期 Sowing (M-D)	拔节期 Jointing (M-D)	齐穗期 Heading (M-D)	成熟期 Maturity (M-D)
2019	机插 MT	早熟晚籼EMLI	06-26	08-15	09-07	10-12
		中熟晚籼MMLI	06-26	08-18	09-17	10-19
		偏迟熟晚籼MLMLI	06-26	08-17	09-18	10-24
		迟熟晚籼LMLI	06-26	08-19	09-21	10-28
		过迟熟晚籼ELMLI	06-26	08-19	09-22	11-03
	机直播 MS	早熟晚籼EMLI	07-22	08-31	09-20	10-25
		中熟晚籼MMLI	07-22	09-01	10-03	11-07
		偏迟熟晚籼MLMLI	07-22	09-01	10-06	11-14
		迟熟晚籼LMLI	07-22	09-03	10-08	11-17
		过迟熟晚籼ELMLI	07-22	09-02	10-15	11-20
2020	机插 MT	早熟晚籼EMLI	06-26	08-17	09-07	10-14
		中熟晚籼MMLI	06-26	08-18	09-18	10-20
		偏迟熟晚籼MLMLI	06-26	08-19	09-20	10-26
		迟熟晚籼LMLI	06-26	08-20	09-22	10-29
		过迟熟晚籼ELMLI	06-26	08-22	09-24	11-05
	机直播 MS	早熟晚籼EMLI	07-18	08-27	09-24	10-26
		中熟晚籼MMLI	07-18	08-27	09-30	11-03
		偏迟熟晚籼MLMLI	07-18	08-29	10-04	11-10
		迟熟晚籼LMLI	07-18	08-30	10-05	11-13
		过迟熟晚籼ELMLI	07-18	09-01	10-15	11-17

年份 Year	种植方式 Planting methods	品种类型 Variety type	日平均温度 Daily mean temperature (℃)	日最高温度 Daily maximum Temperature (℃)	日最低温度 Daily minimum temperature (℃)	日平均光照时数 Daily mean illumination hours (h)	日平均温差 Daily mean temperature difference (℃)
2019	机插 MT	早熟晚籼EMLI	27.32	32.86	22.30	10.06	10.56
		中熟晚籼MMLI	25.52	31.66	19.93	9.30	11.73
		偏迟熟晚籼MLMLI	25.29	31.27	19.87	8.75	11.40
		迟熟晚籼LMLI	24.83	30.89	19.50	8.19	11.39
		过迟熟晚籼ELMLI	24.88	30.90	19.46	7.89	11.44
	机直播 MS	早熟晚籼EMLI	24.79	30.70	19.44	8.18	11.26
		中熟晚籼MMLI	22.21	27.19	18.38	5.00	8.81
		偏迟熟晚籼MLMLI	20.81	25.51	17.26	3.98	8.25
		迟熟晚籼LMLI	20.00	24.51	16.56	3.98	7.95
		过迟熟晚籼ELMLI	18.47	24.17	14.23	3.69	9.94
2020	机插 MT	早熟晚籼EMLI	22.22	25.27	20.20	5.60	5.07
		中熟晚籼MMLI	19.94	25.09	18.11	5.09	6.98
		偏迟熟晚籼MLMLI	19.89	24.75	17.88	4.89	6.87
		迟熟晚籼LMLI	19.32	24.40	17.58	3.94	6.82
		过迟熟晚籼ELMLI	19.07	23.84	17.49	2.95	6.35
	机直播 MS	早熟晚籼EMLI	20.32	24.40	17.58	4.94	6.82
		中熟晚籼MMLI	19.52	23.45	16.86	3.70	6.59
		偏迟熟晚籼MLMLI	18.34	22.28	15.72	3.20	6.56
		迟熟晚籼LMLI	18.14	21.97	15.41	3.11	6.56
		过迟熟晚籼ELMLI	17.94	21.51	15.37	2.96	6.14

变异来源 Source of variation	年份 Y	种植方式 P	品种类型 V	年份×种植方式 Y×P	年份×品种类型 Y×V	品种类型×种植方式 V×P	年份×品种类型×种植方式 Y×V×P
自由度df	1	1	4	1	4	4	4
产量 Yield	222.17**	352.69**	870.04**	14.89**	100.01**	25.68**	15.83**
糙米率BR	1.08	7.98**	6.70**	0.50	0.23	0.06	0.10
精米率MR	1.64	5.80*	31.82**	1.08	1.39	1.01	0.18
整精米率HMR	0.84	112.35**	144.01**	0.02	2.06	4.69**	0.55
粒长GL	1.42	0.70	24.7**	0.00	0.52	1.78	1.14
长宽比L/W	3.85	10.61**	34.76**	0.01	2.33	6.76**	3.16*
垩白粒率CR	0.42	66.34**	914.32**	0.21	0.69	8.84**	1.07
垩白度CD	0.05	181.08**	885.85**	39.68**	21.85**	36.29**	20.03**
直链淀粉含量AC	0.10	7.16*	13.04**	0.13	1.07	1.86	0.24
胶稠度GC	3.61	13.75**	38.92**	0.04	2.24	6.51**	0.87
蛋白质含量PC	0.02	7.29*	19.92**	0.10	0.25	1.32	0.05
食味值TV	28.31**	9.28**	23.71**	0.00	0.73	0.18	0.02
峰值黏度PKV	0.07	4.92*	8.34**	0.08	0.23	0.14	0.08
热浆黏度THV	1.78	2.06	17.56**	0.002	1.59	0.25	1.34
崩解值BKD	6.93*	11.38**	60.61**	0.38	1.59	1.42	1.52
最终黏度FLV	0.12	0.12	15.8**	0.02	0.66	0.23	0.41
消减值STB	3.10	2260.69**	5783.33**	6.64*	290.16**	58.13**	114.98**
糊化温度PAT	11.22**	3.26	4.70**	0.73	1.28	0.63	0.63
F_0.05	4.11	4.11	2.63	4.11	2.63	2.63	2.63
F_0.01	7.40	7.40	3.89	7.40	3.89	3.89	3.89

种植方式 Planting method	品种类型 Variety type	2019			2020
种植方式 Planting method	品种类型 Variety type	糙米率 BR	精米率 MR	整精米率 HMR	糙米率 BR	精米率 MR	整精米率 HMR
机插 MT	早熟晚籼EMLI	80.15Bb	70.78Aa	41.74Bb	81.87Aa	71.36Aab	40.07Bb
	中熟晚籼MMLI	81.37ABa	70.88Aa	44.51Aa	81.97Aa	72.78Aa	45.35Aa
	偏迟熟晚籼MLMLI	80.97Bb	70.47Aa	41.30Bb	80.57Aa	69.59Aab	39.70Bbc
	迟熟晚籼LMLI	79.11ABb	66.64Bb	38.05Bc	80.19Aa	68.12ABb	38.07Bc
	过迟熟晚籼ELMLI	77.96Cc	66.10Bb	33.01Cd	77.59Bb	63.66Cc	34.27Cd
机直播 MS	早熟晚籼EMLI	79.14Aa	69.74Aa	39.65ABab	80.89Aa	71.78Aab	38.63Ab
	中熟晚籼MMLI	79.31Aa	70.00Aa	40.35Aa	81.26Aa	72.47Aa	39.61Aa
	偏迟熟晚籼MLMLI	78.39Ab	68.40Ab	38.56Bb	79.49Aa	68.34Bc	37.14Bc
	迟熟晚籼LMLI	77.78Ac	66.0Bc	34.82Cc	78.74Ab	67.49Bd	34.63Cd
	过迟熟晚籼ELMLI	75.77Bd	61.57Cd	30.24Dd	75.39Bc	61.79Ce	30.63De
机插均值Mean of MT		79.91Aa	68.97Aa	39.72Aa	80.44Aa	69.10Aa	39.49Aa
机直播均值Mean of MS		78.08Bb	67.14Bb	36.72Bb	79.15Ab	68.37Ab	36.13Bb

Effects of Two Mechanical Planting Methods on the Yield and Quality of High-Quality Late Indica Rice

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种植方式 Planting method	品种类型 Variety type	2019				2020
种植方式 Planting method	品种类型 Variety type	粒长 GL (mm)	长宽比 L/W	垩白粒率CR (%)	垩白度CD (%)	粒长 GL(mm)	长宽比 L/W	垩白粒率CR (%)	垩白度 CD (%)
机插 MT	早熟晚籼EMLI	6.80Aa	3.72Aa	14.40Aa	3.35Aa	6.96Aa	3.73Aa	13.95Aa	3.45Aa
	中熟晚籼MMLI	6.38ABb	3.44Bb	12.18Bb	2.51Bb	6.49ABb	3.40Bb	12.15Bb	2.62Bb
	偏迟熟晚籼MLMLI	6.32ABb	3.43Bb	11.72Bb	1.90Cc	6.29Bb	3.33Bbc	11.74Bb	2.04Bc
	迟熟晚籼LMLI	6.29ABb	3.32Bbc	8.90Cc	1.84Cc	6.36Bb	3.34Bbc	8.79Cc	1.89Bcd
	过迟熟晚籼ELMLI	6.15Bb	3.22BCc	6.51Dd	1.65Cd	6.24Bb	3.18Bc	6.62Dd	1.78Bd
机直播 MS	早熟晚籼EMLI	6.89Aa	3.65Aa	13.39Aa	3.13Aa	6.94Aa	3.54Aa	13.34Aa	2.39Aa
	中熟晚籼MMLI	6.59ABab	3.46Bb	11.27Bb	2.29Bb	6.81Aa	3.37ABab	11.17Bb	2.38Aa
	偏迟熟晚籼MLMLI	6.31Bb	3.29Bc	10.25Bc	1.88Cc	6.29Bb	3.30ABbc	10.46Bc	1.92Bb
	迟熟晚籼LMLI	6.23Bb	3.19Bcd	8.60Cd	1.75Cc	6.24Bb	3.18Bbc	8.87Cd	1.69Bc
	过迟熟晚籼ELMLI	6.23Bb	3.11Bd	6.65De	1.58Cd	6.27Bb	3.16Bc	6.24De	1.69Bc
机插均值Mean of MT		6.39Aa	3.42Aa	10.81Aa	2.25Aa	6.43Aa	3.38Aa	10.74Aa	2.29Aa
机直播均值Mean of MS		6.42Aa	3.34Aa	10.03Ab	2.07Ab	6.48Aa	3.30Aa	10.07Ab	2.00Ab

种植方式 Planting method	品种类型 Variety type	2019				2020
种植方式 Planting method	品种类型 Variety type	直链淀粉含量AC (%)	胶稠度 GC (mm)	蛋白质含量PC (%)	食味值 TV	直链淀粉含量AC (%)	胶稠度 GC (mm)	蛋白质含量PC (%)	食味值 TV
机插 MT	早熟晚籼EMLI	17.50ABb	61.30BCc	8.35AaBb	81.5Bb	17.43ABb	60.80Cc	8.40Ab	79.50Ab
	中熟晚籼MMLI	17.14BCb	63.85Bb	8.63AaB	84.0Aa	17.03BCb	65.50Bb	8.58Aab	81.25Aab
	偏迟熟晚籼MLMLI	16.09Cc	66.95Aa	8.78Aa	85.0Aa	16.06Cc	70.25Aa	8.83Aa	82.00Aa
	迟熟晚籼LMLI	18.11Aa	61.00BCc	8.10ABb	81.3Bb	18.01Aa	60.75Cc	8.00Bc	77.75Bc
	过迟熟晚籼ELMLI	17.51Ab	59.60Cc	8.00Bb	78.0Cc	17.77Aa	59.50Cc	7.90Bc	73.00Cd
机直播 MS	早熟晚籼EMLI	17.85ABbc	60.50ABb	8.05ABb	80.0Bb	17.67Bc	59.90Cc	8.10ABb	78.00Ab
	中熟晚籼MMLI	17.02Bd	64.10Aa	8.53Aa	83.0Aa	16.93Bd	68.50Aa	8.63Aa	80.25Aa
	偏迟熟晚籼MLMLI	17.60ABc	62.30Aab	8.38Aa	82.8Aa	17.28Bc	63.25Bb	8.43Aa	78.25Ab
	迟熟晚籼LMLI	18.35Aab	59.10ABb	8.03ABb	79.3Bb	18.32Ab	60.40Cc	7.93ABb	75.00Bc
	过迟熟晚籼ELMLI	18.80Aa	57.30Bc	7.90Bc	75.5Cc	18.95Aa	56.30Dd	7.85Bb	72.50Cd
机插均值Mean of MT		17.27Ab	63.06Aa	8.37Aa	82.0Aa	17.26Ab	64.16Aa	8.34Aa	78.70Aa
机直播均值Mean of MS		17.92Aa	61.10Ab	8.18Aa	80.1Ab	17.83Aa	62.56Ab	8.18Aa	76.80Ab

指标 Index	糙米率 BR	精米率 MR	整精米率 HMR	垩白粒率 CR	垩白度 CD	直链淀粉含量AC	胶稠度 GC	蛋白质含量 PC	食味值 TV	峰值黏度 PKV	热浆黏度THV	崩解值 BKD	最终黏度FLV	消减值 STB
精米率MR	0.910**	—
整精米率HMR	0.838**	0.920**	—
垩白粒率CR	0.864**	0.893**	0.865**	—
垩白度CD	0.751**	0.422*	0.426*	0.901**	—
直链淀粉含量AC	-0.318	-0.322	-0.319	-0.331	-0.077	—
胶稠度GC	0.323	0.376*	0.418*	0.333	0.063	-0.827**	—
蛋白质含量PC	0.675*	0.743**	0.758**	0.270	0.228	-0.858**	0.936**	—
食味值TV	0.788**	0.862**	0.858**	0.257	0.292	-0.364*	0.939**	0.924**	—
峰值黏度PKV	0.387*	0.755**	0.401*	0.428*	0.335	-0.316	0.337	0.412*	0.006	—
热浆黏度THV	0.048	0.011	0.069	-0.039	0.033	0.268	-0.279	-0.262	0.379*	0.331	—
崩解值BKD	0.429*	0.423*	0.428*	0.431*	0.293	-0.845**	0.426*	0.783**	0.729**	0.426*	-0.308	—
最终黏度FLV	-0.112	-0.115	-0.132	-0.066	0.198	0.414*	-0.407*	-0.312	-0.820**	0.323	0.799**	-0.269	—
消减值STB	-0.300	-0.352*	-0.430*	-0.313	-0.192	0.913**	-0.914**	-0.934**	-0.715**	-0.304	0.335	-0.781**	0.735**	—
糊化温度PAT	-0.266	-0.304	-0.300	-0.043	0.247	0.388*	-0.775**	-0.342*	0.087	-0.178	0.207	-0.323	0.274	0.382*

指标 Index	日平均温度 Daily mean temperature (℃)	日最高温度均值 Daily mean maximum temperature (℃)	日最低温度均值 Daily mean minimum temperature (℃)	日平均光照时数 Daily mean illumination hours (h)	日平均温差 Daily mean temperature difference (℃)
糙米率BR	0.328	0.298	0.329	0.007	-0.046
精米率MR	0.428*	0.293	0.331	0.026	-0.012
整精米率HMR	0.429*	0.331	0.338	0.118	0.137
粒长GL	0.300	0.186	0.322	0.018	-0.433*
长宽比L/W	0.324	0.249	0.323	0.001	-0.580**
垩白粒率CR	0.429*	0.423*	0.311	0.128	0.055
垩白度CD	0.429*	0.422*	0.331	0.118	0.027
直链淀粉含量AC	-0.309	0.210	-0.311	0.036	-0.068
胶稠度GC	0.130	0.429*	0.253	-0.329	-0.015
蛋白质含量PC	0.282	0.422*	0.318	-0.304	0.066
食味值TV	0.419*	0.415*	0.312	-0.310	0.125
峰值黏度PKV	0.426*	0.406*	0.325	-0.013	0.033
热浆黏度THV	0.426*	0.428*	0.210	0.140	0.138
崩解值BKD	0.171	0.124	0.321	0.428*	-0.083
最终黏度FLV	-0.021	-0.030	-0.007	-0.024	-0.035
消减值STB	-0.265	-0.240	-0.328	-0.414*	-0.056
糊化温度PAT	-0.430*	-0.678**	-0.332	-0.568**	-0.325

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年份 Year	种植方式 Planting method	品种类型 Variety type	播种-拔节 SS-JS	拔节-齐穗 JS-HS	齐穗-成熟 HS-MS	全生育期 Growth days	较机插短 Shorter than MT
2019	机插 MT	早熟晚籼EMLI	50	23	35	108	-
		中熟晚籼MMLI	53	30	32	115	-
		偏迟熟晚籼MLMLI	52	32	36	120	-
		迟熟晚籼LMLI	54	33	37	124	-
		过迟熟晚籼ELMLI	54	34	42	130	-
	机直播 MS	早熟晚籼EMLI	40	20	35	95	13
		中熟晚籼MMLI	41	32	35	108	7
		偏迟熟晚籼MLMLI	41	35	39	115	5
		迟熟晚籼LMLI	43	35	40	118	6
		过迟熟晚籼ELMLI	42	43	36	121	9
	机插均值Mean of MT		53Aa	30Bb	36Aa	119Aa	-
	机直播均值Mean of MS		41Bb	33Aa	37Aa	111Bb	8
2020	机插 MT	早熟晚籼EMLI	52	21	37	110	-
		中熟晚籼MMLI	53	31	32	116	-
		偏迟熟晚籼MLMLI	54	32	36	122	-
		迟熟晚籼LMLI	55	33	37	125	-
		过迟熟晚籼ELMLI	57	33	42	132	-
	机直播 MS	早熟晚籼EMLI	40	28	32	100	10
		中熟晚籼MMLI	40	34	34	108	8
		偏迟熟晚籼MLMLI	42	36	37	115	7
		迟熟晚籼LMLI	43	36	39	118	7
		过迟熟晚籼ELMLI	45	44	33	122	10
	机插均值Mean of MT		54Aa	30Bb	37Aa	121Aa	-
	机直播均值Mean of MS		42Bb	36Aa	35Ab	113Bb	8