哈茨木霉LTR-2对冬小麦籽粒的影响

doi:10.3976/j.issn.1002-4026.2021.06.008

摘要/Abstract

摘要：

为了探明生防木霉菌剂LTR-2对冬小麦籽粒的影响,同时提供一种提高小麦品质的实践方法,以济麦44为试验材料,在孕穗期喷施不同浓度木霉菌剂LTR-2,对小麦籽粒千粒重、蛋白质、氨基酸和湿面筋含量进行测定与分析。结果表明,在小麦孕穗期喷施不同浓度的木霉菌剂,小麦籽粒千粒重、蛋白质、氨基酸和湿面筋含量均较对照有提高,孕穗期喷施木霉菌剂有助于提高产量以及小麦籽粒营养品质和加工品质。

关键词: 冬小麦, 孕穗期, 哈茨木霉LTR-2, 千粒重, 蛋白质, 氨基酸, 湿面筋

Abstract:

To explore the effect of Trichoderma harzianum LTR-2 on wheat grain quality and provide a practical method for improving wheat quality, parameters such as thousand seed weight as well as amino acid, protein, and wet gluten contents of winter wheat grains (cultivar Jimai 44) were analyzed after spraying different concentrations of T. harzianum LTR-2 suspension at the booting stage. The results demonstrate that the analyzed parameters had improved compared with the controls at the booting stage. The aforementioned results indicated that spraying of T. harzianum LTR-2 at the booting stage could improve the yield of wheat as well as nutritional and processing quality of wheat grain.

Key words: winter wheat, booting stage, T. harzianum LTR-2, thousand seed weight, protein, amino acid, wet gluten

中图分类号:

Q939.96

李玲, 刘宝军, 杨凯, 陈凯, 王贻莲, 李纪顺. 哈茨木霉LTR-2对冬小麦籽粒的影响[J]. 山东科学, 2021, 34(6): 62-67.

LI Ling, LIU Bao-jun, YANG Kai, CHEN Kai, WANG Yi-lian, LI Ji-shun. Effect of Trichoderma harzianum LTR-2 on winter wheat grain quality[J]. Shandong Science, 2021, 34(6): 62-67.

图/表 4

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处理	千粒重/g
CK	42.73±0.08
L-6	43.87±0.12
L-7	44.11±0.12
L-8	43.23±0.19

氨基酸		氨基酸质量分数(%)
氨基酸		CK	L-6	L-7	L-8
必需氨基酸	异亮氨酸	0.27±0.020	0.27±0.020	0.33±0.012	0.32±0.039
	亮氨酸	0.59±0.031	0.62±0.032	0.75±0.005	0.74±0.025
	苯丙氨酸	0.37±0.083	0.47±0.020	0.56±0.048	0.57±0.023
	赖氨酸	0.19±0.022	0.24±0.028	0.29±0.009	0.28±0.007
	缬氨酸	0.34±0.038	0.34±0.026	0.42±0.015	0.39±0.014
	蛋氨酸	0.01±0.001	0.04±0.010	0.03±0.009	0.07±0.010
	色氨酸	0.17±0.020	0.28±0.022	0.26±0.040	0.24±0.017
	苏氨酸	0.24±0.047	0.24±0.035	0.29±0.030	0.28±0.035
必需氨基酸总量		2.18	2.52	2.93	2.89
非必需氨基酸	脯氨酸	0.72±0.028	0.91±0.010	1.09±0.010	1.07±0.160
	酪氨酸	0.22±0.025	0.40±0.007	0.41±0.003	0.36±0.029
	天门冬氨酸	0.39±0.015	0.42±0.010	0.52±0.023	0.5±0.011
	谷氨酸	2.42±0.029	2.70±0.050	3.28±0.170	3.23±0.022
	丝氨酸	0.38±0.008	0.45±0.022	0.55±0.058	0.54±0.009
	甘氨酸	0.32±0.005	0.35±0.004	0.43±0.019	0.42±0.032
	胱氨酸	0.03±0.000	0.02±0.001	0.01±0.001	0.02±0.000
	组氨酸	0.19±0.013	0.23±0.020	0.27±0.021	0.26±0.003
	精氨酸	0.25±0.007	0.27±0.020	0.35±0.050	0.31±0.040
	丙氨酸	0.28±0.006	0.30±0.020	0.36±0.044	0.35±0.008
非必需氨基酸总量		5.20	6.05	7.27	7.06
氨基酸总量		7.38	8.57	10.20	9.95