Analysis of Lodging Resistance and Quality of A New Wheat Variety ‘Shimai 34’ Under Water-saving Irrigation Conditions

doi:10.11924/j.issn.1000-6850.casb2024-0546

Abstract

Abstract:

In order to alleviate the problem of water resource shortage in central and southern Hebei Province, we identified high and stable yield wheat varieties suitable for water-saving irrigation conditions in this wheat region. In this experiment, the 2023 national approved new wheat variety ‘Shimai 34’ and the water-saving control variety ‘Shimai 22’ in Hebei Province were used as experimental materials. Under the condition of one irrigation at jointing stage throughout the whole growth period, comprehensive evaluation of various indicators of ‘Shimai 34’ was conducted by measuring yield, stem morphology indicators, stem strength, and quality related parameters. The results showed that the yield of ‘Shimai 34’ was significantly higher than that of ‘Shimai 22’, with an increase of 7.05%. Morphological analysis showed that the plant height and center of gravity height of ‘Shimai 34’ were 10.17% and 14.78% lower than those of ‘Shimai 22’, respectively. The length of the second internode at the base was 21.39% shorter and the diameter was 15.84% longer than those of ‘Shimai 22’. The stem strength, puncture stem strength, plumpness, and lodging resistance index of ‘Shimai 34’ were 54.95%, 18.10%, 21.34%, and 81.98% higher than those of ‘Shimai 22’, respectively. Further quality testing revealed that the grain hardness, wet gluten, and dry gluten content of ‘Shimai 34’ were superior to those of ‘Shimai 22’. Based on the above data, ‘Shimai 34’ shows better high yield, lodging resistance, and quality than the water-saving control variety ‘Shimai 22’ under water-saving irrigation conditions. ‘Shimai 34’ is expected to become the main wheat variety under the water-saving irrigation in Hebei Province.

Key words: water-saving irrigation, wheat, ‘Shimai 34’, high-yield, lodging resistant, stem strength, quality related parameters, Hebei Province

ZHAO Yankun, LI Caihua, BAN Jinfu, LI Zhankun, SHAN Zilong, CAO Qiao, WANG Xiutang, GAO Xinmei, FU Xiaoyi, HE Mingqi, MA Long, GAO Zhenxian. Analysis of Lodging Resistance and Quality of A New Wheat Variety ‘Shimai 34’ Under Water-saving Irrigation Conditions[J]. Chinese Agricultural Science Bulletin, 2025, 41(15): 1-6.

Figures/Tables 5

References 25

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品种	产量/(t/hm²)	千粒重/g	穗粒数/粒	有效穗数/(万穗/hm²)
石麦22	9582.00 b	40.63 a	27.58b	814.00a
石麦34	10258.00 a	39.11 a	34.75a	664.40b

品种	产量/(t/hm²)	千粒重/g	穗粒数/粒	有效穗数/(万穗/hm²)
石麦22	9582.00 b	40.63 a	27.58b	814.00a
石麦34	10258.00 a	39.11 a	34.75a	664.40b

品种	株高/cm	重心高度/cm	基部第二节
品种	株高/cm	重心高度/cm	节长/cm	壁厚/mm	直径/mm
石麦22	87.50 a	53.25 a	11.22 a	0.49 a	4.23 b
石麦34	78.60 b	45.38 b	8.82 b	0.51 a	4.90 a

品种	株高/cm	重心高度/cm	基部第二节
品种	株高/cm	重心高度/cm	节长/cm	壁厚/mm	直径/mm
石麦22	87.50 a	53.25 a	11.22 a	0.49 a	4.23 b
石麦34	78.60 b	45.38 b	8.82 b	0.51 a	4.90 a

品种	茎秆强度/N	穿刺茎秆强度/N	干重/g	充实度/(mg/cm)	抗到指数/(N/m)
石麦22	3.676 b	76.380 b	0.203 a	18.073 b	6.897 b
石麦34	5.696 a	90.207 a	0.193 a	21.929 a	12.551 a