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Application of rice quality indexes in identification of main cropping rice and ratooning cropping rice of ratoon rice
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A technology for regenerated rice and regenerated rice, which is applied in the field of crops, can solve the problem of not identifying the first crop of regenerated rice and the rice of the regenerated season, and achieve the effect of simple measurement method and low measurement cost
Inactive Publication Date: 2018-05-04
HUAZHONG AGRI UNIV
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However, there is currently no method on how to identify the first season of ratooning rice and the second season of ratooning
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Embodiment 1
[0014] Determination of the difference quality index between the first season rice of ratooning rice and the ratooning season rice:
[0015] 1. Experimental location: Huangzhou, Qichun, Tuanfeng, Wuxue and Xishui areas in southeastern Hubei were selected for this study. The planting history of ratooning rice in these areas is long, and the planting area of ratooning rice is large.
[0016] 2. Varieties to be tested: select local ratooning rice production and promote varieties in each region.
[0018] Qichun: Fengliangyouxiang No. 1 and Liangyou 6326;
[0019] Tuanfeng: Zhunliangyou 199;
[0020] Wuxue: Zhongxiang No. 1, Liangyou 6326 and Huang Huazhan;
[0021] Xishui: Shenzhen Liangyou 5814.
[0022] 3. Field selection: In the same area, for each variety, randomly select three farmer fields planted with that variety.
[0023] 4. Field management: The field management of th...
Embodiment 2
[0060] The application of rice quality indicators in the identification of the first season rice and the second season rice of ratooning rice:
[0061] 1. Experimental location: In this study, the fields in Honghu, Jiangling, Jianli, Jingzhou, Shashi, and Zhijiang, which are located in the Jianghan Plain, were determined according to the method described in Example 1.
[0062] 2. Varieties to be tested: select local ratooning rice production and promote varieties in each region.
[0063] Honghu: Fengliang Youxiang No. 1;
[0064] Jiangling: Fengliang Youxiang No. 1;
[0065] Jianli: Fengyou 9918 and Fengyouwang;
[0066] Jingzhou: Tianliangyou 616;
[0067] Shashi: Fengliang Youxiang No. 1.
[0068] 3. Field management: The field management of the first season of ratooning rice and the second season of ratooning in each region is carried out by the head of the field according to the local ratooning rice cultivation and management methods.
[0069] 4. Sampling determinatio...
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Abstract
The invention discloses application of rice quality indexes in identification of main cropping rice and ratooning cropping rice of ratoon rice. Quality indexes in main cropping rice and ratooning cropping rice of ratoon rice are detected by virtue of the conventional means at present so as to determine the main cropping rice and the ratooning cropping rice. The percentage of chalky rice, chalkiness degrees, amylose content and alkali spreading values in grains of the ratooning cropping rice have obvious differences from index values in grains of the main cropping rice, the index values of thepercentage of chalky rice and the chalkiness degrees are obviously lower than those in the main cropping rice, and the index values of the amylose content and the alkali spreading values are obviouslyhigher than those in the main cropping rice. According to the application disclosed by the invention, the main cropping rice and ratooning cropping rice of the ratoon rice can be accurately identified, the determination method is simple and convenient, and the determination cost is low. The technical measures can be widely applied to identification of the main cropping rice and the ratooning cropping rice of the ratoon rice in different ecological zones of rice cultivation.
Description
technical field [0001] The invention belongs to the field of crops, and more specifically relates to the application of rice quality indicators in identifying the first season rice and the second season rice of regenerated rice. Background technique [0002] Raisoning rice is a rice planting mode in which dormant buds on the rice piles after harvesting in the first season germinate, ear, flower and set fruit through corresponding field management measures, and then harvest again. Raising rice has the characteristics of high input-output rate, high labor efficiency, labor-saving, plant-saving, and water-saving. It is one of the effective measures to increase the multiple cropping index, increase the yield per unit area and economic income in the rice fields in southern my country where there is excess heat for one-crop rice but insufficient heat for double-crop rice and for paddy fields where only one-season rice is planted in double-crop rice areas. Therefore, the developme...
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