LIU Zhengyu,SHI Yan,WANG Yiyang,et al.Effects of Spraying Selenium and Magnesium Nutrient Solution on Yield and Quality of Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2023,(03):25-28.[doi:10.11942/j.issn1002-2767.2023.03.0025]
叶面喷施硒镁营养液对水稻产量及品质的影响
- Title:
- Effects of Spraying Selenium and Magnesium Nutrient Solution on Yield and Quality of Rice
- 文章编号:
- 5
- Keywords:
- organic selenium; magnesium; rice quality
- 文献标志码:
- A
- 摘要:
- 为促进复合型功能稻米的生产，采用田间试验，在水稻灌浆初期喷施100 mg·kg-1的有机硒营养液（Se≥1 000 mg·kg-1），并设置5个浓度镁处理（0，200，400，600和1 000 mg·kg-1，分别为M1~M5），研究叶面喷施硒镁营养液对水稻产量及稻米品质性状的影响。结果表明，单独喷施有机硒营养液，水稻产量性状、外观品质及加工品质等指标高于硒镁同施处理；当镁浓度大于600 mg·kg-1（M4）时，产量较低浓度镁处理显著降低。随着镁浓度增加，稻米的外观品质、加工品质及食味值都得到改善，当镁浓度达到1 000 mg·kg-1（M5）时稻米的完善粒最低，为57.83%，而垩白粒率和垩白度达到最高，较其他处理平均提高2.93和4.35个百分点；高浓度镁对稻米的外观品质影响较大，对糙米率、精米率等加工品质影响较小，M4与M5处理的糙米率与精米率虽较M3处理平均提高2.89和2.05个百分点，但整精米率较M3处理降低2.59个百分点，而碎米率提高5.59个百分点；硒镁同施可提高稻米中硒镁含量，增强稻米的食味值，以镁浓度为400 mg·kg-1时食味值综合评分较高。
- Abstract:
- In order to promote the production of complex functional rice, a field experiment was carried out to study the effects of foliar spraying of selenium and magnesium nutrient solution on yield and quality traits of rice by spraying 100 mg·kg-1 organic selenium nutrient solution (Se ≥ 1 000 mg·kg-1) at the early stage of rice filling and setting five magnesium concentrations (0，200，400，600 and 1 000 mg ·kg-1, M1-M5). The results showed that the yield traits, appearance quality and processing quality of rice treated with organic selenium nutrient solution alone were higher than those treated with selenium and magnesium; The yield of treatment with magnesium concentration greater than 600 mg ·kg-1 (M4) was significantly lower than that of treatment with low magnesium concentration. With the increase of magnesium concentration, the appearance quality, processing quality and taste value of rice were improved. When the magnesium concentration reached 1 000 mg·kg-1 (M5), the perfect grain of rice was the lowest, 57.83%, while the chalkiness rate and chalkiness reached the highest, with an average increase of 2.93 and 4.35 percentage points compared with other treatments; High concentration of magnesium had a greater impact on the appearance quality of rice, but had a smaller impact on the processing quality such as brown rice rate and milled rice rate. Although the brown rice rate and milled rice rate of M4 and M5 treatments were 2.89 and 2.06 percentage points higher than that of M3 treatments, the head rice rate was 2.59 percentage points lower than that of M3 treatment, while the broken rice rate was 5.59 percentage points higher than that of M3 treatment; Simultaneous application of selenium and magnesium could increase the content of selenium and magnesium in rice and enhance the taste value of rice. The comprehensive score of taste value was higher when the concentration of magnesium is 400 mg ·kg-1.
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备注/Memo
收稿日期：2022-11-08