Effects of La~(3+)on yield and quality traits of wheat with different gluten types

来源 :Journal of Rare Earths | 被引量 : 0次 | 上传用户:zfh115101
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To test the roles of La3+ on yield and quality of wheat for different end uses, experiments were conducted using split-plot design for different La3+ treatments as main plot and different gluten types of wheat as subplot, by foliar spraying La3+ at jointing stage and filling stage. The results showed that spraying 0.5–1.5 mmol/L La3+ increased the yield and 1000-kernel weight of wheat of different gluten types. The protein content of strong-gluten wheat Wanmai 33 increased after spraying 0.5–1.5 mmol/L La3+, which made it achieve the good quality standard of strong-gluten wheat, whereas its LOX and PPO activity reduced, the carotenoid content increased. These La3+ treatments prolonged the storage period of grain, improved flour nutritional value and the food processing quality. Spraying 0.5–1.5 mmol/L La3+ also increased flour peak viscosity of medium-gluten wheat Yangmai 158, as improving its starch properties. Spraying La3+ significantly decreased flour water absorption rate of weak gluten type variety Wanmai 48 to meet the weak-gluten flour standard. The total pentosan content reduced at 1–1.5 mmol/L La3+, which would be good for making biscuit. Results suggested that spraying appropriate concentration of La3+ increased wheat yield and benefited wheat quality for different end uses. To test the roles of La3 + on yield and quality of wheat for different end uses, experiments were conducted using split-plot design for different La3 + treatments as main plot and different gluten types of wheat as subplot, by foliar spraying La3 + at joiningting stage and filling stage. The results showed that spraying 0.5-1.5 mmol / L La3 + increased yield and 1000-kernel weight of wheat of different gluten types. The protein content of strong-gluten wheat Wanmai 33 increased after spraying 0.5-1.5 mmol / L La3 + which made it achieve the good quality standard of strong-gluten wheat, while its LOX and PPO activity reduced, the carotenoid content increased. These La3 + treatments prolonged the storage period of grain, improved flour nutritional value and the food processing quality. 1.5 mmol / L La3 + also increased flour peak viscosity of medium-gluten wheat Yangmai 158, as improving its starch properties. Spraying La3 + significantly decreased flour water absorption rate of The total pentosan content reduced at 1-1.5 mmol / L La3 +, which would be good for making biscuit. Results suggest that spraying appropriate concentration of La3 + increased wheat yield and benefited wheat quality for different end uses.
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