Evaluation of lodging resistance and yield of two ethephon compound agents on maize varieties

doi:10.16178/j.issn.0528-9017.20250359

Abstract

Abstract:

Taking Zhengdan 958, Xianyu 335, Yudan 132, Xundan 20, Lianchuang 808 and Dingyou 163 as materials, the effects of two ethephon compound agents on lodging resistance and yield of different maize varieties in different ecological regions were studied. The results showed that the lodging resistance is obviously improved after the application of the two chemicals. The lodging risk of Xundan 20 was reduced by 6.1 percentage points after applying 6-BA·ETH chemical control agent, and that of Zhengdan 958 was reduced by 6.2 percentage points after applying DTA-6·ETH chemical control agent. The ear position coefficient of Lianchuang 808 decreased by 9.8 percentage points after applying DTA-6·ETH in Shangqiu, and that of Dingyou 163 decreased by 11.3 percentage points after applying 6-BA·ETH in Zhumadian. At the same time, the puncture strength of the stem was enhanced. After different chemical control treatments, the phenotypic traits such as ear length, ear diameter and rows were not significantly different in the same variety, but the grain number per row, thousand kernel weight and yield were significantly different among treatments and years. In addition, the yield performance of maize varieties after chemical control treatment varied in different regions. The effect of applying chemical control agent DTA-6·ETH in Hebi, Zhoukou and Zhumadian was better than that of chemical control agent 6-BA·ETH, with an average increase of 4.22%, 8.41% and 5.67% compared with CK, and the effect of applying chemical control agent 6-BA·ETH in Shangqiu, Nanyang and Changge is better than that of chemical control agent DTA-6·ETH, with an average increase of 6.96%, 7.54% and 5.56% compared with CK.

Key words: maize, chemical control agent, lodging character, yield

CLC Number:

S513

LI Chunlin, ZHANG Huiyu, LI Changjian, LI Yuling, XU Guoju, REN Li, LU Ruiqian, WANG Liangfa. Evaluation of lodging resistance and yield of two ethephon compound agents on maize varieties[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(8): 1962-1970.

Figures/Tables 6

References 39

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年份	品种	处理	穗长/cm	穗粗/cm	穗行数/行	行粒数/粒	千粒重/kg	667 m²产量/kg
2022	浚单20	DTA-6·ETH	16.39±1.19 a	4.88±0.37 a	15.40±0.72 a	32.04±1.29 b	323.92±33.46 a	640.52±88.44 a
		6-BA·ETH	16.47±1.56 a	4.86±0.30 a	15.40±0.41 a	33.86±1.54 a	319.88±18.35 b	667.77±78.11 a
		清水CK	16.37±1.16 a	4.80±0.38 a	15.60±0.37 a	30.96±2.12 b	315.52±31.71 c	607.52±92.40 b
	先玉335	DTA-6·ETH	18.56±1.29 a	4.57±0.37 a	15.20±0.83 a	29.08±0.90 b	341.18±31.83 a	670.57±43.21 a
		6-BA·ETH	18.69±0.73 a	4.61±0.40 a	15.40±0.54 a	30.98±1.71 a	339.37±31.77 a	662.95±61.86 a
		清水CK	18.15±1.87 a	4.51±0.44 a	15.40±0.82 a	29.81±1.74 b	337.80±31.32 a	635.70±64.89 b
	豫单132	DTA-6·ETH	18.32±1.33 a	4.60±0.29 a	15.00±0.60 a	33.22±1.90 a	330.60±33.73 ab	664.97±82.12 a
		6-BA·ETH	17.87±1.16 a	4.47±0.20 a	15.20±0.41 a	32.50±1.54 ab	332.47±35.20 a	672.35±65.97 a
		清水CK	17.31±1.75 a	4.61±0.25 a	15.00±0.62 a	30.84±1.95 b	319.50±34.01 b	624.85±69.70 b
	联创808	DTA-6·ETH	18.68±0.97 a	4.64±0.23 a	15.20±0.41 a	33.24±2.51 a	341.93±33.06 a	628.83±74.74 a
		6-BA·ETH	19.10±1.41 a	4.46±0.26 a	15.00±0.53 a	33.52±2.29 a	338.22±36.63 ab	628.08±92.63 a
		清水CK	17.99±1.65 a	4.66±0.20 a	14.80±0.78 a	33.11±2.15 a	322.27±36.14 b	607.08±86.02 a
	鼎优163	DTA-6·ETH	15.32±1.27 a	4.37±0.36 a	15.60±0.65 a	28.13±1.82 b	316.45±25.10 a	615.57±30.54 a
		6-BA·ETH	16.14±0.94 a	4.43±0.30 a	16.00±0.76 a	30.20±1.41 a	315.40±20.75 a	621.07±39.02 a
		清水CK	16.14±1.85 a	4.33±0.24 a	15.60±0.83 a	29.73±1.13 ab	312.02±24.55 a	579.28±34.19 b
	郑单958	DTA-6·ETH	17.11±1.32 a	4.76±0.21 a	14.80±0.74 a	31.25±1.74 a	330.88±35.62 a	628.83±74.74 a
		6-BA·ETH	16.74±1.35 a	4.76±0.25 a	14.80±0.66 a	32.53±2.31 a	325.85±32.78 a	631.42±86.62 a
		清水CK	17.04±1.29 a	4.78±0.17 a	14.80±0.63 a	31.83±1.65 a	325.62±35.43 a	607.08±86.02 a
2023	浚单20	DTA-6·ETH	16.34±1.43 a	4.82±0.11 a	15.40±0.48 a	32.58±2.35 a	310.15±21.52 a	611.32±44.31 a
		6-BA·ETH	16.04±1.28 a	4.85±0.16 a	15.60±0.44 a	32.89±1.67 a	308.13±17.07 a	607.92±43.07 a
		清水CK	16.34±1.32 a	4.83±0.15 a	15.60±0.84 a	32.60±1.99 a	307.30±26.85 a	573.33±39.59 b
	先玉335	DTA-6·ETH	18.01±1.64 a	4.45±0.25 a	15.40±0.60 a	31.15±2.25 b	329.07±23.64 a	622.53±53.83 ab
		6-BA·ETH	19.06±1.26 a	4.62±0.29 a	15.60±0.60 a	33.20±1.43 a	320.83±23.61 a	632.45±86.81 a
		清水CK	18.84±1.70 a	4.50±0.39 a	15.60±0.51 a	31.28±2.04 b	321.18±26.83 a	578.93±82.18 b
	豫单132	DTA-6·ETH	18.10±1.12 a	4.43±0.15 a	14.60±0.51 a	32.02±2.00 b	316.73±25.72 a	600.68±58.03 a
		6-BA·ETH	18.14±1.37 a	4.52±0.15 a	14.80±0.78 a	33.02±2.16 a	318.88±19.33 a	586.98±47.91 a
		清水CK	17.96±1.32 a	4.62±0.13 a	14.80±0.86 a	32.54±2.19 a	316.35±32.76 a	562.40±56.12 b
	联创808	DTA-6·ETH	19.03±0.97 a	4.54±0.12 a	15.20±0.27 a	33.60±1.61 a	324.48±34.46 a	646.92±77.05 a
		6-BA·ETH	19.47±1.31 a	4.48±0.13 a	14.60±0.29 a	33.97±2.17 a	316.67±29.20 ab	633.22±74.78 ab
		清水CK	19.28±1.08 a	4.67±0.12 a	14.80±0.44 a	33.38±2.19 a	317.37±34.13 ab	611.30±80.32 b
	鼎优163	DTA-6·ETH	16.74±1.26 a	4.47±0.24 a	15.80±0.77 a	30.91±2.11 a	307.82±31.09 a	597.25±71.61 a
		6-BA·ETH	16.23±1.14 a	4.45±0.16 a	16.00±0.61 a	31.10±1.52 a	301.50±34.43 a	588.53±66.64 a
		清水CK	16.15±1.67 a	4.50±0.17 a	15.80±0.77 a	30.83±2.28 a	298.47±34.94 a	556.93±62.34 b
	郑单958	DTA-6·ETH	17.14±1.05 a	4.83±0.14 a	15.20±0.52 a	32.89±2.09 a	324.02±20.40 a	557.32±61.50 a
		6-BA·ETH	17.22±1.05 a	4.85±0.16 a	15.20±0.82 a	33.63±1.99 a	316.47±23.40 b	550.22±54.10 a
		清水CK	17.20±0.78 a	4.78±0.16 a	15.00±0.41 a	32.60±1.60 a	312.15±22.32 b	544.35±59.17 a
变异来源			穗长	穗粗	穗行数	行粒数	千粒重	产量
年份(Y)			NS	NS	NS	^**	^**	^**
品种(H)			^**	^**	^**	^**	^**	^**
处理(T)			NS	NS	NS	^*	^**	^**
Y×H			NS	NS	NS	NS	NS	NS
Y×T			NS	NS	NS	NS	NS	NS
H×T			NS	NS	NS	NS	NS	NS
Y×H×T			NS	NS	NS	NS	NS	NS

年份	品种	处理	穗长/cm	穗粗/cm	穗行数/行	行粒数/粒	千粒重/kg	667 m²产量/kg
2022	浚单20	DTA-6·ETH	16.39±1.19 a	4.88±0.37 a	15.40±0.72 a	32.04±1.29 b	323.92±33.46 a	640.52±88.44 a
		6-BA·ETH	16.47±1.56 a	4.86±0.30 a	15.40±0.41 a	33.86±1.54 a	319.88±18.35 b	667.77±78.11 a
		清水CK	16.37±1.16 a	4.80±0.38 a	15.60±0.37 a	30.96±2.12 b	315.52±31.71 c	607.52±92.40 b
	先玉335	DTA-6·ETH	18.56±1.29 a	4.57±0.37 a	15.20±0.83 a	29.08±0.90 b	341.18±31.83 a	670.57±43.21 a
		6-BA·ETH	18.69±0.73 a	4.61±0.40 a	15.40±0.54 a	30.98±1.71 a	339.37±31.77 a	662.95±61.86 a
		清水CK	18.15±1.87 a	4.51±0.44 a	15.40±0.82 a	29.81±1.74 b	337.80±31.32 a	635.70±64.89 b
	豫单132	DTA-6·ETH	18.32±1.33 a	4.60±0.29 a	15.00±0.60 a	33.22±1.90 a	330.60±33.73 ab	664.97±82.12 a
		6-BA·ETH	17.87±1.16 a	4.47±0.20 a	15.20±0.41 a	32.50±1.54 ab	332.47±35.20 a	672.35±65.97 a
		清水CK	17.31±1.75 a	4.61±0.25 a	15.00±0.62 a	30.84±1.95 b	319.50±34.01 b	624.85±69.70 b
	联创808	DTA-6·ETH	18.68±0.97 a	4.64±0.23 a	15.20±0.41 a	33.24±2.51 a	341.93±33.06 a	628.83±74.74 a
		6-BA·ETH	19.10±1.41 a	4.46±0.26 a	15.00±0.53 a	33.52±2.29 a	338.22±36.63 ab	628.08±92.63 a
		清水CK	17.99±1.65 a	4.66±0.20 a	14.80±0.78 a	33.11±2.15 a	322.27±36.14 b	607.08±86.02 a
	鼎优163	DTA-6·ETH	15.32±1.27 a	4.37±0.36 a	15.60±0.65 a	28.13±1.82 b	316.45±25.10 a	615.57±30.54 a
		6-BA·ETH	16.14±0.94 a	4.43±0.30 a	16.00±0.76 a	30.20±1.41 a	315.40±20.75 a	621.07±39.02 a
		清水CK	16.14±1.85 a	4.33±0.24 a	15.60±0.83 a	29.73±1.13 ab	312.02±24.55 a	579.28±34.19 b
	郑单958	DTA-6·ETH	17.11±1.32 a	4.76±0.21 a	14.80±0.74 a	31.25±1.74 a	330.88±35.62 a	628.83±74.74 a
		6-BA·ETH	16.74±1.35 a	4.76±0.25 a	14.80±0.66 a	32.53±2.31 a	325.85±32.78 a	631.42±86.62 a
		清水CK	17.04±1.29 a	4.78±0.17 a	14.80±0.63 a	31.83±1.65 a	325.62±35.43 a	607.08±86.02 a
2023	浚单20	DTA-6·ETH	16.34±1.43 a	4.82±0.11 a	15.40±0.48 a	32.58±2.35 a	310.15±21.52 a	611.32±44.31 a
		6-BA·ETH	16.04±1.28 a	4.85±0.16 a	15.60±0.44 a	32.89±1.67 a	308.13±17.07 a	607.92±43.07 a
		清水CK	16.34±1.32 a	4.83±0.15 a	15.60±0.84 a	32.60±1.99 a	307.30±26.85 a	573.33±39.59 b
	先玉335	DTA-6·ETH	18.01±1.64 a	4.45±0.25 a	15.40±0.60 a	31.15±2.25 b	329.07±23.64 a	622.53±53.83 ab
		6-BA·ETH	19.06±1.26 a	4.62±0.29 a	15.60±0.60 a	33.20±1.43 a	320.83±23.61 a	632.45±86.81 a
		清水CK	18.84±1.70 a	4.50±0.39 a	15.60±0.51 a	31.28±2.04 b	321.18±26.83 a	578.93±82.18 b
	豫单132	DTA-6·ETH	18.10±1.12 a	4.43±0.15 a	14.60±0.51 a	32.02±2.00 b	316.73±25.72 a	600.68±58.03 a
		6-BA·ETH	18.14±1.37 a	4.52±0.15 a	14.80±0.78 a	33.02±2.16 a	318.88±19.33 a	586.98±47.91 a
		清水CK	17.96±1.32 a	4.62±0.13 a	14.80±0.86 a	32.54±2.19 a	316.35±32.76 a	562.40±56.12 b
	联创808	DTA-6·ETH	19.03±0.97 a	4.54±0.12 a	15.20±0.27 a	33.60±1.61 a	324.48±34.46 a	646.92±77.05 a
		6-BA·ETH	19.47±1.31 a	4.48±0.13 a	14.60±0.29 a	33.97±2.17 a	316.67±29.20 ab	633.22±74.78 ab
		清水CK	19.28±1.08 a	4.67±0.12 a	14.80±0.44 a	33.38±2.19 a	317.37±34.13 ab	611.30±80.32 b
	鼎优163	DTA-6·ETH	16.74±1.26 a	4.47±0.24 a	15.80±0.77 a	30.91±2.11 a	307.82±31.09 a	597.25±71.61 a
		6-BA·ETH	16.23±1.14 a	4.45±0.16 a	16.00±0.61 a	31.10±1.52 a	301.50±34.43 a	588.53±66.64 a
		清水CK	16.15±1.67 a	4.50±0.17 a	15.80±0.77 a	30.83±2.28 a	298.47±34.94 a	556.93±62.34 b
	郑单958	DTA-6·ETH	17.14±1.05 a	4.83±0.14 a	15.20±0.52 a	32.89±2.09 a	324.02±20.40 a	557.32±61.50 a
		6-BA·ETH	17.22±1.05 a	4.85±0.16 a	15.20±0.82 a	33.63±1.99 a	316.47±23.40 b	550.22±54.10 a
		清水CK	17.20±0.78 a	4.78±0.16 a	15.00±0.41 a	32.60±1.60 a	312.15±22.32 b	544.35±59.17 a
变异来源			穗长	穗粗	穗行数	行粒数	千粒重	产量
年份(Y)			NS	NS	NS	^**	^**	^**
品种(H)			^**	^**	^**	^**	^**	^**
处理(T)			NS	NS	NS	^*	^**	^**
Y×H			NS	NS	NS	NS	NS	NS
Y×T			NS	NS	NS	NS	NS	NS
H×T			NS	NS	NS	NS	NS	NS
Y×H×T			NS	NS	NS	NS	NS	NS