γ-Aminobutyric Acid Regulates Grain Yield Formation in Different Fragrant Rice Genotypes Under Different Nitrogen Levels
作者： Yuzhan Li , Rifang Lai , Wu Li , Jiaqi Liu , Mingzhi Huang
DOI: 10.1007/S00344-019-10016-Z
关键词:
摘要: The influences of γ-aminobutyric acid (GABA) and nitrogen on grain yield, yield-related traits, plant growth, grain–leaf ratio NSC contents in different fragrant rice genotypes are not fully understood. A pot experiment was conducted with four rates, i.e. 0, 0.87, 1.75, 2.61 g pot−1, two GABA levels, 0 250 mg L−1, three cultivars, Yuxiangyouzhan, Yungengyou 14 Basmati. Results depicted that treatment significantly increased the mean yield by 11.84% as a consequence increment weight, spikelet per pot, weight leaf area, stem sheath dry at HS, panicle MS total MS. Besides, significant effects cultivar traits some growth parameters were observed. Moreover, positive correlation relationships between number area for all cultivars application could alleviate rice. These results suggest is feasible to increase improve varieties grown under conditions.
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