For the study of main traits of purple-flashed sweetpotato in different soil and ecological environments, 18 cultivars of purple-flashed sweetpotato with different enthocyenin contents were planted at Yancheng and Xuz...For the study of main traits of purple-flashed sweetpotato in different soil and ecological environments, 18 cultivars of purple-flashed sweetpotato with different enthocyenin contents were planted at Yancheng and Xuzhou separately. The main quality traits were determined. The results showed the quality traits of purple-fleshed sweetpotato were significantly influenced by soil and ecological environments. Geno- type （G）, environment （E） and genotype x environment （GxE） interaction had signif- icantiy effects on the contents of anthocyanin, dry matter, starch, protein, reducing sugar and soluble sugar in storage roots. Anthocyanin content was most easily af- fected by the environment. The E effect on anthocyanin content was greater than G and GxE effects. However, the GxE interaction effects on other 5 quality traits were greater than G and E effects. The 6 quality traits were significantly different at 1% level under different environments respectively. The contents of dry matter, starch and anthocyenin were higher in Yancheng than in Xuzhou, while the contents of protein, reducing sugar and soluble sugar were higher in Xuzhou. The variation co- efficients of all quality traits at Yancheng and Xuzhou were in the same order： an- sugar〉protein〉starch, the variation coefficient of anthocyanin content was higher in Xuzhou, and the variation coefficients of other 5 traits were higher in Yancheng. Correlation analysis showed that the reducing sugar and solu- ble sugar contents were negatively correlated with starch content, and had no sig- nifiant correlation with anthocyanin and protein contents. Dry matter content and starch content were positively correlated, and anthocyanin content and other quality traits had no significant correlation.展开更多
[Objective] The aim was to research and analyze characters and related correlation of indica hybrid rice containing high amylose. [Method] In the research, major characters of 16 species of groups of {ndica hybrid ric...[Objective] The aim was to research and analyze characters and related correlation of indica hybrid rice containing high amylose. [Method] In the research, major characters of 16 species of groups of {ndica hybrid rice and the correlation were explored in rice belts in Sichuan in 2011. [Result] The variation of chalkiness degree was the highest at 26.8%, followed by rate of head rice at 22.89%; varia- tions of head rice rate and chalkiness degree were lower at 0.72% and 2.61%. In addition, rate of unpolished rice was of significantly negative correlation with chalki- ness degree; rate of chalky rice was of extremely positive correlation with chalkiness degree and gel consistency; chalkiness degree was of significantly positive correla- tion with gel consistency; gel consistency was of significantly negative correlation with protein content; amylose content was of insignificant correlation with gel consis- tency （r=0.166 9） of the 16 hybrid groups. These indicated that gel consistency would be still high as the content of amylose grows （AC≥25%）. For example, when the content of anylose in Chuanxiang 29A/Luhui 37, Kangfeng AJ6684, and Lefeng A/SR536 exceeded 27%, the gel consistency was over 80 mm in the research. [Conclusion] The research provides references for improvement of amylose content in breeding hybrid rice.展开更多
With 12 Vicia faba L. varieties of different genotypes as the research ma- terials, the contents of 9 kinds of quality factors of protein, fat, free amino acid as well as beneficial mineral elements were analyzed with...With 12 Vicia faba L. varieties of different genotypes as the research ma- terials, the contents of 9 kinds of quality factors of protein, fat, free amino acid as well as beneficial mineral elements were analyzed with the aim to provide the nec- essary theoretical basis for the selection of new varieties of high quality faba beans. The results showed that in the faba beans of different genotypes, the protein content ranged from 27.9% to 31.2%, fat content of 1.2-1.4%, tannin content of 4 700-5 280 mg/kg, iron content of 47.45-67.15 mgJkg, calcium content of 571.30-1 397.22 mg/kg, zinc content of 47.34-66.10 mg/kg, potassium content of 1.09-1.38%, and selenium content ranged from 0.031 mg/kg to 0.064 mg/kg. There were significant differences in the contents of different free amino acids between different genotypes, and the total free amino acid content was between 1.062% and 0.915%.展开更多
[Objective] This study was aimed to screen out the strong-aroma tobacco variety with good ecological adaptability as the best cultivar in Chizhou. [Method] Based on the ecological conditions that formed the strong ar...[Objective] This study was aimed to screen out the strong-aroma tobacco variety with good ecological adaptability as the best cultivar in Chizhou. [Method] Based on the ecological conditions that formed the strong aroma style of tobacco leaves in the tobacco-growing area, 6 varieties（K326, NC55, NC71, 0508, Yunyan99, Yan240） were selected and compared through combining the demand characteristics of industrial enterprise to the quality. [Results] The output value of 0508 was the highest and NC71 had a medium output value but with coordinated chemical composition. The system evaluation of this study on the quality and characteristic style further clarified the feature strength and utility value of various tobacco varieties with strong aroma. [Conclusion] NC71 is the best cultivar in Chizhou tobacco-growing area, and it is suggested using NC71 as the demonstrative variety of the next year. The study on the excavation and screening utilization of tobacco varieties with local features is of great significance to the tobacco production industry.展开更多
The nationally registered rice varieties during 2006-2015 were analyzed and there were 49.4 varieties on average annually registered in the last decade. In terms of the structure of varieties, there was a decreasing t...The nationally registered rice varieties during 2006-2015 were analyzed and there were 49.4 varieties on average annually registered in the last decade. In terms of the structure of varieties, there was a decreasing trend for the proportion of three-line hybrid rice varieties but a rapid increase for that of two-line hybrid rice varieties. The percentage of rice varieties developed by scientific research institu- tions was decreasing but that developed by seed companies kept a rapid increase, indicating the commercial breeding conducted by seed companies has become a principal model in rice breeding. With regard to grain quality of varieties, the con- ventional rice varieties showed an increasing trend while the hybrid rice varieties had a decreasing trend in the proportion of high quality varieties, indicating hybrid rice needs improving more in grain quality in breeding programs.展开更多
[Objective] This study aimed to analyze the influence of five cultivation factors： sowing date, plant density, nitrogen fertilizer amount, phosphate fertilizer amount and potash fertilizer amount on oil quality and ...[Objective] This study aimed to analyze the influence of five cultivation factors： sowing date, plant density, nitrogen fertilizer amount, phosphate fertilizer amount and potash fertilizer amount on oil quality and stability of Brassica napus hybrids. [Method] Statistical analysis was carried out based on the data from previous studies and our work. [Result] Sowing date had no significant influence on oil quality and stability of B. napus hybrids. The plant density shared a positive correlation with 18-C fatty acid （FA） content, unsaturated fatty acid （UFA） content, total content of linoleic acid and linolenic acid, index of unsaturated fatty acid （IUFA）, so a large plant density can improve the oil quality （by increasing18-C FA content, UFA content, total content of linoleic acid and linolenic acid）, but reduce the oil stability （by increasing IUFA）. The amount of nitrogen fertilizer had no significant influence on the contents of 18-C FA and UFA, but significant positive correlations with the total content of linoleic acid and linolenic acid and IUFA. So, the total content of linoleic acid and linolenic acid can be reduced by increasing nitrogen amount, meanwhile the oil stability was also decreased. Phosphate fertilizer amount did not affect 18-C FA significantly, but was negatively correlated with the UFA content, total content of linoleic acid and linolenic acid, and IUFA. So, increasing the amount of applied phosphate fertilizer can reduce UFA content, total content of linoleic acid and linolenic acid, thereby improving oil stability. Potash fertilizer had no significant influence on the IUFA, a significant positive correlation with 18-C FA content, an insignificant positive correlation with the the UFA content, and a negative correlation with the total content of linoleic acid and linolenic acid. The oil content of rapeseed shared an extremely significant positive correlation with 18-C FA content and UFA content, an negative correlation with the total content of linoleic acid and linolenic acid, and no significant correlation with IUFA. [Conclusion] This study identified the effects of five main cultivation factors on oil quality and stability of B. napus hybrids, and the correlations of oil content with 18-C FA content, UFA content, total content of linoleic acid and linolenic acid, and IUFA.展开更多
基金Supported by Earmarked Fund for China Agriculture Research System(CARS-11,sweetpotato)Jiangsu Science and Technology Support Program(BE2014315)+1 种基金Jiangsu Agricultural Science and Technology Independent Innovation Fund(CX(13)2032)Jiangsu Key Research and Development Program(modern agriculture)(BE2015313)~~
文摘For the study of main traits of purple-flashed sweetpotato in different soil and ecological environments, 18 cultivars of purple-flashed sweetpotato with different enthocyenin contents were planted at Yancheng and Xuzhou separately. The main quality traits were determined. The results showed the quality traits of purple-fleshed sweetpotato were significantly influenced by soil and ecological environments. Geno- type （G）, environment （E） and genotype x environment （GxE） interaction had signif- icantiy effects on the contents of anthocyanin, dry matter, starch, protein, reducing sugar and soluble sugar in storage roots. Anthocyanin content was most easily af- fected by the environment. The E effect on anthocyanin content was greater than G and GxE effects. However, the GxE interaction effects on other 5 quality traits were greater than G and E effects. The 6 quality traits were significantly different at 1% level under different environments respectively. The contents of dry matter, starch and anthocyenin were higher in Yancheng than in Xuzhou, while the contents of protein, reducing sugar and soluble sugar were higher in Xuzhou. The variation co- efficients of all quality traits at Yancheng and Xuzhou were in the same order： an- sugar〉protein〉starch, the variation coefficient of anthocyanin content was higher in Xuzhou, and the variation coefficients of other 5 traits were higher in Yancheng. Correlation analysis showed that the reducing sugar and solu- ble sugar contents were negatively correlated with starch content, and had no sig- nifiant correlation with anthocyanin and protein contents. Dry matter content and starch content were positively correlated, and anthocyanin content and other quality traits had no significant correlation.
基金Supported by Sichuan Financial Genetic Engineering Program of the 12th Five-year Plan(2011JYGC11-029)National Modern Agricultural and Industrial Technology System+1 种基金Sichuan Rice Breeding Key Program of the 12th Five-year Plan(2011NZ-0098-1)Luzhou Key Project for Science and Technology Development(2011-N-09)~~
文摘[Objective] The aim was to research and analyze characters and related correlation of indica hybrid rice containing high amylose. [Method] In the research, major characters of 16 species of groups of {ndica hybrid rice and the correlation were explored in rice belts in Sichuan in 2011. [Result] The variation of chalkiness degree was the highest at 26.8%, followed by rate of head rice at 22.89%; varia- tions of head rice rate and chalkiness degree were lower at 0.72% and 2.61%. In addition, rate of unpolished rice was of significantly negative correlation with chalki- ness degree; rate of chalky rice was of extremely positive correlation with chalkiness degree and gel consistency; chalkiness degree was of significantly positive correla- tion with gel consistency; gel consistency was of significantly negative correlation with protein content; amylose content was of insignificant correlation with gel consis- tency （r=0.166 9） of the 16 hybrid groups. These indicated that gel consistency would be still high as the content of amylose grows （AC≥25%）. For example, when the content of anylose in Chuanxiang 29A/Luhui 37, Kangfeng AJ6684, and Lefeng A/SR536 exceeded 27%, the gel consistency was over 80 mm in the research. [Conclusion] The research provides references for improvement of amylose content in breeding hybrid rice.
基金Supported by the China Agriculture Research System(CARS-09)~~
文摘With 12 Vicia faba L. varieties of different genotypes as the research ma- terials, the contents of 9 kinds of quality factors of protein, fat, free amino acid as well as beneficial mineral elements were analyzed with the aim to provide the nec- essary theoretical basis for the selection of new varieties of high quality faba beans. The results showed that in the faba beans of different genotypes, the protein content ranged from 27.9% to 31.2%, fat content of 1.2-1.4%, tannin content of 4 700-5 280 mg/kg, iron content of 47.45-67.15 mgJkg, calcium content of 571.30-1 397.22 mg/kg, zinc content of 47.34-66.10 mg/kg, potassium content of 1.09-1.38%, and selenium content ranged from 0.031 mg/kg to 0.064 mg/kg. There were significant differences in the contents of different free amino acids between different genotypes, and the total free amino acid content was between 1.062% and 0.915%.
基金Supported by the Project of Anhui Tobacco Monopoly Administration(20110551011)~~
文摘[Objective] This study was aimed to screen out the strong-aroma tobacco variety with good ecological adaptability as the best cultivar in Chizhou. [Method] Based on the ecological conditions that formed the strong aroma style of tobacco leaves in the tobacco-growing area, 6 varieties（K326, NC55, NC71, 0508, Yunyan99, Yan240） were selected and compared through combining the demand characteristics of industrial enterprise to the quality. [Results] The output value of 0508 was the highest and NC71 had a medium output value but with coordinated chemical composition. The system evaluation of this study on the quality and characteristic style further clarified the feature strength and utility value of various tobacco varieties with strong aroma. [Conclusion] NC71 is the best cultivar in Chizhou tobacco-growing area, and it is suggested using NC71 as the demonstrative variety of the next year. The study on the excavation and screening utilization of tobacco varieties with local features is of great significance to the tobacco production industry.
基金Supported by Social Undertaking and People's Livelihood Guarantee Science and Technology Innovation Fund(cstc2016shms-ztzx0013cstc2016shms-ztzx0032 and cstc2016shms-ztzx0017)~~
文摘The nationally registered rice varieties during 2006-2015 were analyzed and there were 49.4 varieties on average annually registered in the last decade. In terms of the structure of varieties, there was a decreasing trend for the proportion of three-line hybrid rice varieties but a rapid increase for that of two-line hybrid rice varieties. The percentage of rice varieties developed by scientific research institu- tions was decreasing but that developed by seed companies kept a rapid increase, indicating the commercial breeding conducted by seed companies has become a principal model in rice breeding. With regard to grain quality of varieties, the con- ventional rice varieties showed an increasing trend while the hybrid rice varieties had a decreasing trend in the proportion of high quality varieties, indicating hybrid rice needs improving more in grain quality in breeding programs.
基金Supported by Earmarked Fund for Modern Rapeseed Research System of China(nycytx-00563)High-oil Hybrid Brassica napus Rapeseed Cultivation Technology Research Program of Guizhou Academy of Agricultural Sciences[ZX(2007)015]+3 种基金New High-yield Rapeseed Cultivar Yoyan 599 Cultivation and Promotion Program of Agriculture Department of Guizhou Province[(2009)007]Hybrid Rapeseed Cultivar Youyan 599 Promotion Program of Guizhou Academy of Agricultural Sciences[(2009)030]New High-oil Rapeseed Cultivar Sanbei 98 Cultivation and Promotion Program of Agriculture Department of Guizhou Province[(2010)3087]Earmarked Fund for Modern Rapeseed Research System of Guizhou Province(GZCYTX2013-0802)~~
文摘[Objective] This study aimed to analyze the influence of five cultivation factors： sowing date, plant density, nitrogen fertilizer amount, phosphate fertilizer amount and potash fertilizer amount on oil quality and stability of Brassica napus hybrids. [Method] Statistical analysis was carried out based on the data from previous studies and our work. [Result] Sowing date had no significant influence on oil quality and stability of B. napus hybrids. The plant density shared a positive correlation with 18-C fatty acid （FA） content, unsaturated fatty acid （UFA） content, total content of linoleic acid and linolenic acid, index of unsaturated fatty acid （IUFA）, so a large plant density can improve the oil quality （by increasing18-C FA content, UFA content, total content of linoleic acid and linolenic acid）, but reduce the oil stability （by increasing IUFA）. The amount of nitrogen fertilizer had no significant influence on the contents of 18-C FA and UFA, but significant positive correlations with the total content of linoleic acid and linolenic acid and IUFA. So, the total content of linoleic acid and linolenic acid can be reduced by increasing nitrogen amount, meanwhile the oil stability was also decreased. Phosphate fertilizer amount did not affect 18-C FA significantly, but was negatively correlated with the UFA content, total content of linoleic acid and linolenic acid, and IUFA. So, increasing the amount of applied phosphate fertilizer can reduce UFA content, total content of linoleic acid and linolenic acid, thereby improving oil stability. Potash fertilizer had no significant influence on the IUFA, a significant positive correlation with 18-C FA content, an insignificant positive correlation with the the UFA content, and a negative correlation with the total content of linoleic acid and linolenic acid. The oil content of rapeseed shared an extremely significant positive correlation with 18-C FA content and UFA content, an negative correlation with the total content of linoleic acid and linolenic acid, and no significant correlation with IUFA. [Conclusion] This study identified the effects of five main cultivation factors on oil quality and stability of B. napus hybrids, and the correlations of oil content with 18-C FA content, UFA content, total content of linoleic acid and linolenic acid, and IUFA.
