化控剂玉黄金对春玉米抗倒伏性状及产量的影响

doi:10.16035/j.issn.1001-7283.2022.01.021

Abstract

Abstract:

The effect of the chemical regulator of Yuhuangjin on the lodging resistance traits and yield of spring maize (Jingnongke 728 and Jinnong 738) under three planting densities were examined. The results indicated that Yuhuangjin could shorten plant height, ear height and internodal length, improve puncture strength and compressive strength to improve stability than controls treated with clear water. Compared with the clear water treatment, with the increasing of planting density, the yields of Jingnongke 728 were increased by 12.54%, 11.24%, and 8.81%, respectively, the yields of Jinnong 738 were increased by 4.39%, 4.05% and 7.00%, respectively. This provided the references for realizing high yields and mechanization of spring maize.

Key words: Spring maize, Yuhuangjin, Lodging resistance, Agronomic trait, Yield

Liu Zigang, Lu Haibo, Wu Minhua, Zhao Haichao, Wei Dong, Huang Zhihong. Effects of Chemical Regulator of Yuhuangjin on Lodging Resistance and Yield of Spring Maize[J].Crops, 2022, 38(1): 142-146.

Figures/Tables 5

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References 20

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品种 Variety	处理 Treatment	密度（株/hm²） Density (plant/hm²)	株高 Plant height (cm)	穗位高 Ear height (cm)	茎粗 Stem diameter (cm)	重心高度 Center of gravity (cm)
京农科728	玉黄金	67 500	183.23±9.65b	75.33±3.05d	3.45±0.92a	88.00±3.02b
Jingnongke 728		82 500	198.45±3.65b	87.67±0.98c	2.68±0.34c	91.11±2.32ab
		97 500	223.32±5.02a	103.33±3.53b	2.13±0.20d	93.00±4.34ab
	清水	67 500	198.22±9.52b	86.54±1.34c	3.08±0.65b	92.00±4.23ab
		82 500	223.25±21.45a	102.23±0.77b	2.43±0.09d	95.56±5.32a
		97 500	236.38±5.18a	112.67±3.11a	2.03±0.09e	96.89±4.35a
金农738	玉黄金	67 500	223.18±9.02e	87.17±5.13d	3.37±0.17a	87.00±5.23a
Jinnong 738		82 500	233.23±3.17d	95.83±2.60c	2.25±0.17c	90.33±3.36a
		97 500	245.33±0.37bc	100.00±2.30c	1.89±0.34d	93.67±2.30a
	清水	67 500	240.88±2.48cd	97.50±1.28c	2.88±0.54b	95.67±1.28a
		82 500	251.73±1.97b	105.17±2.03b	2.12±0.21d	97.78±3.02a
		97 500	261.38±7.02a	112.50±1.80a	2.01±0.14e	98.22±2.80a

品种 Variety	处理 Treatment	密度（株/hm²） Density (plant/hm²)	吐丝期 Silking stage		花后6d Six days after pollination		花后15d 15 days after pollination
品种 Variety	处理 Treatment	密度（株/hm²） Density (plant/hm²)	穿刺强度 Puncture strength	压碎强度 Compressive strength	穿刺强度 Puncture strength	压碎强度 Compressive strength	穿刺强度 Puncture strength	压碎强度 Compressive strength
京农科728	玉黄金	67 500	36.43±1.25a	237.90±2.90a	59.03±4.47a	378.13±13.13a	66.17±2.67a	447.32±26.32a
Jingnongke 728		82 500	28.45±2.41b	223.93±5.93b	45.95±4.35b	331.55±12.55b	48.23±2.07bc	367.23±19.23b
		97 500	24.18±1.70c	203.05±12.50d	34.00±3.40c	326.25±13.25b	32.57±1.97d	341.62±18.62b
	清水	67 500	24.35±1.67c	213.53±14.70c	45.55±5.32b	346.23±10.77b	54.00±2.23b	376.55±15.55a
		82 500	20.35±1.99d	200.58±25.80d	38.88±3.67bc	321.90±12.10b	44.40±9.19c	296.37±15.63c
		97 500	19.10±2.98d	180.00±20.00e	35.55±4.35c	296.83±18.17c	28.70±2.50d	249.52±17.48d
金农738	玉黄金	67 500	34.13±0.79a	231.18±31.80a	56.75±4.55a	365.83±10.83a	63.33±11.13a	435.57±17.43a
Jinnong 738		82 500	25.10±0.55b	216.98±14.90bc	43.45±2.95b	327.20±17.20b	54.37±2.87ab	350.47±30.47b
		97 500	20.65±1.15cd	207.18±21.80c	33.93±2.53c	319.78±11.78b	48.50±6.10bc	334.00±26.00b
	清水	67 500	22.23±1.23c	219.93±24.80ab	46.45±1.95b	326.45±12.45b	53.50±9.00ab	367.48±33.48b
		82 500	19.45±2.22de	187.58±25.80d	32.53±1.93c	307.75±9.75bc	43.70±3.10bc	256.93±41.07c
		97 500	17.25±1.01e	170.13±18.30e	24.20±2.90d	291.35±12.65c	38.17±5.87c	239.72±23.12c

品种 Variety	处理 Treatment	密度（株/hm²） Density (plant/hm²)	根伤流 Root bleeding (g)	第3节长 The 3rd internode length (cm)	第4节长 The 4th internode length (cm)	第5节长 The 5th internode length (cm)
京农科728	玉黄金	67 500	55.27±8.06a	10.3±0.9c	13.6±1.2d	17.8±0.8d
Jingnongke 728		82 500	45.63±2.23ab	11.8±1.3bc	15.6±0.7c	18.9±0.3bcd
		97 500	37.27±1.30bc	12.5±0.6ab	16.3±0.9bc	19.1±0.2abc
	清水	67 500	49.23±3.21a	11.0±1.2bc	16.5±0.3bc	18.1±0.1cd
		82 500	32.70±3.36c	12.2±1.0ab	17.0±0.4b	19.6±0.1ab
		97 500	29.13±3.01c	13.8±0.3a	18.5±0.4a	20.1±1.2a
金农738	玉黄金	67 500	55.60±2.26a	11.0±1.1d	15.1±1.0d	18.6±0.7c
Jinnong 738		82 500	40.70±2.95b	12.5±0.8cd	16.0±0.9cd	19.1±0.7c
		97 500	30.50±2.00bc	13.7±0.4abc	17.6±0.7b	20.8±0.1b
	清水	67 500	42.90±0.50ab	13.0±1.2bc	16.6±0.2bc	19.0±0.1c
		82 500	35.00±1.77bc	14.3±0.9ab	17.8±0.2ab	20.5±0.8b
		97 500	24.57±0.67c	15.0±0.2a	19.0±0.9a	22.0±0.5a

品种 Variety	处理 Treatment	密度（株/hm²） Density (plant/hm²)	穗长 Ear length (cm)	穗粗 Ear diameter (cm)	穗重 Ear weight (g)	穗行数 Rows per ear	行粒数 Kernels per row	容重 Bulk density (g/cm³)	产量 Yield (kg/hm²)
京农科728	玉黄金	67 500	20.02±0.42a	15.67±0.07a	268.88±12.2a	17.56±0.04a	41.33±1.12a	1.28±0.01a	13 372.75±194.25a
Jingnongke 728		82 500	18.28±0.08c	15.63±0.43a	239.22±3.78b	17.41±0.21a	34.17±1.03c	1.24±0.04ab	13 700.85±184.15a
		97 500	16.25±0.20e	15.00±0.45b	212.66±2.34d	17.67±0.22a	37.33±0.12b	1.18±0.01cd	11 765.19±247.81c
	清水	67 500	18.75±0.25b	15.00±0.50b	258.98±3.02a	15.44±0.06b	37.22±1.72b	1.26±0.02a	11 882.14±110.55c
		82 500	17.67±0.22d	14.78±0.11b	225.63±2.37c	14.22±0.67c	34.78±0.11c	1.21±0.02bc	12 316.05±259.95b
		97 500	15.67±0.19f	13.83±0.03c	203.24±5.24d	14.75±0.11c	35.00±0.14c	1.16±0.02d	10 812.90±155.10d
金农738	玉黄金	67 500	18.67±0.25a	15.74±0.18a	246.58±8.58a	18.33±0.59a	39.56±0.64a	1.32±0.04a	12 373.49±374.51b
Jinnong 738		82 500	18.50±0.60a	14.53±0.43b	223.90±8.90b	18.22±0.12a	37.56±0.54bc	1.29±0.65ab	12 989.36±102.36a
		97 500	15.39±0.06c	14.33±0.12b	198.96±2.96c	17.72±0.27ab	36.00±1.45b	1.28±0.01abc	11 853.75±97.75c
	清水	67 500	17.83±0.30b	14.93±0.80b	225.66±2.66b	17.67±0.54ab	37.17±0.04b	1.27±0.01abc	11 852.55±75.55c
		82 500	17.33±0.13b	13.38±0.08c	218.02±9.02b	17.21±0.25b	36.44±1.02bc	1.23±0.03bc	12 483.65±182.35b
		97 500	15.10±0.32c	13.14±0.89c	187.07±2.07d	16.33±0.09c	35.00±1.42c	1.21±0.04c	11 078.05±120.05d

项目 Item	株高 Plant height	穗位高 Ear height	茎粗 Stem diameter	节间长 Internode length	根伤流 Root bleeding	穿刺强度 Puncture strength	压碎强度 Compressive strength
株高Plant height	1
穗位高Ear height	0.843^**	1
茎粗Stem diameter	-0.904^**	-0.765^**	1
节间长Internode	0.572^*	0.820^**	-0.757^**	1
根伤流Root bleeding	-0.691^*	-0.828^**	0.858^**	-0.676^*	1
穿刺强度Puncture strength	-0.637^*	-0.798^**	0.827^**	-0.767^**	0.841^**	1
压碎强度Compressive strength	-0.875^**	-0.843^**	0.898^**	-0.672^*	0.648^*	0.648^*	1

Effects of Chemical Regulator of Yuhuangjin on Lodging Resistance and Yield of Spring Maize

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