Study On The Difference Of Water And Nitrogen Effects On Grain Quality Of Waxy Wheat And Non-Waxy Wheat
Keywords
Waxy Wheat, Non-Waxy Wheat, Water And Nitrogen Treatment, Quality
Abstract
In order to provide theoretical basis and guidance for the high-quality and high-yield cultivation of waxy wheat, waxy wheat Nuomai 12 and its near-isogenic line non-waxy wheat Chuanyu 12 were used as materials to study waxy wheat and non-waxy wheat under rainproof pot conditions. Differences in quality water and nitrogen effects. The results show that water and nitrogen treatments have significant effects on the sugar, starch content, protein content, sedimentation value, PPO activity, gelatinization characteristics, and agronomic traits of non-waxy wheat and waxy wheat. However, the specific water and nitrogen effects are different in the two types of wheat. Performance is different. The total sugar and sucrose content of waxy wheat was the lowest under the N0+drought treatment, while the total sugar content of non-waxy wheat was the lowest under the N0+control (moist) treatment, and the sucrose content was the highest under the N1+drought treatment; the pentosan content of the two wheats The fructan content of waxy wheat was the highest under N1+ drought treatment, while that of non-waxy wheat was the highest under N0+ waterlogging treatment. Nuumai 12 has the highest starch content under the N0+ drought treatment, while the non-waxy wheat Chuanyu 12 has the highest starch content under the N1+ control treatment. In protein content, Nuusmai 12 has the highest protein content under the N1+ control treatment, while the non-waxy wheat Chuanyu 12 has the highest protein content under the N1+ control treatment. The SDS sedimentation values of Nuomai 12 and Chuanyu 12 were the highest under the N1+ waterlogging treatment, and the PPO activity values were the lowest under the N1+ control treatment. In terms of agronomic traits, the flag leaf length, width and number of effective tillers of waxy and non-waxy wheat all increased under the waterlogging treatment. The grain filling period was the shortest under the drought treatment. There was no significant difference between the two nitrogen fertilization treatments; under N1+ Under the waterlogging treatment, the panicle length and dry weight of each plant of Nuomai 12 showed the highest values. Under the N0+ waterlogged treatment, the number of spikelets was the highest, and the number of grains per panicle was the highest under the N1+ control treatment; non-Nuomai 12 The panicle length and number of spikelets of Yu 12 showed the highest values under the N0 + waterlogging treatment, and the number of grains per panicle and dry weight per plant showed the highest values under the N1+ waterlogging treatment.
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Original research done by Ni Jing, Xu Zhibin, Feng Bo, Wang Tao
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