The Dai nationality, with a population of 1,025,128, mainly reside in Xishuangbanna Dai Nationality Autonomous Prefecture, Dehong Dai and Jingpo Nationalities Autonomous Prefecture, and 30 counties and cities such as ...The Dai nationality, with a population of 1,025,128, mainly reside in Xishuangbanna Dai Nationality Autonomous Prefecture, Dehong Dai and Jingpo Nationalities Autonomous Prefecture, and 30 counties and cities such as Gengma and Menglian in Yunnan Province.The Dai nationality has its own written language. The 1,000-year Dai documents, including Buddhist Scriptures on Pattra and the famous Dai calendar, prove that the Dai nationality has long cultural history. The Dai narrative poem, Zhaoshutun and Nanmunuona (a legend about a prince and a peacock princess) and the medical classic entitled Traditional Dai Medicine, are important to the precious Chinese cultural heritage. The Dais celebrate the Water-sprinkling Festival every April.The Dais tend to settle along rivers. The ever-green Dai area has a subtropical climate with thick forests. The plentiful rainfall and the fertile soil are favorable to farming.Xishuangbanna Prefecture, dubbed as the 'Kingdom of plants' and 'Kingdom of animals', has a variety of plants and animals. Now, it has become the second largest rubber production base in China. In addition, the area is rich in rice, corn and tea.展开更多
【目的】比较云南瑞丽地区不同树龄水晶蜜柚的果实品质及风味特性,为云南地区水晶蜜柚高效生产提供科学依据。【方法】分别测定云南瑞丽地区3、5、7、10、14和21年生树龄水晶蜜柚果实的单果重、果形指数、皮厚和果皮色泽等外观品质及果...【目的】比较云南瑞丽地区不同树龄水晶蜜柚的果实品质及风味特性,为云南地区水晶蜜柚高效生产提供科学依据。【方法】分别测定云南瑞丽地区3、5、7、10、14和21年生树龄水晶蜜柚果实的单果重、果形指数、皮厚和果皮色泽等外观品质及果实可溶性固形物含量、可滴定酸含量、固酸比和维生素C(Vc)含量等内在品质,并对果实进行感官风味品尝鉴定,分析水晶蜜柚果实品质随树龄增长的变化规律。【结果】随着树龄的增长,水晶蜜柚果实的果形指数未发生明显变化;单果重、皮厚及果皮占单果重比例随树龄的增长呈下降趋势,树龄小于14年水晶蜜柚果实间的单果重差异不显著(P>0.05),但皮厚和果皮占单果重比例显著降低(P<0.05,下同),当树龄为21年(进入老龄结果期)时,单果重显著降低。果皮色差指数L*、a*和b*随着树龄增长而逐渐增长,且树龄相差越大,差异越明显。随着树龄的增长,果实的可溶性固形物含量、固酸比和Vc含量均呈先增加后减少的变化趋势,树龄为14年时达最大值,分别为11.97%、18.91和53.70 mg/100 m L;可滴定酸含量呈先减少后增加的变化趋势,树龄为14年时达最小值,为0.63%,与其他树龄差异显著。感官风味评价综合满意度也随树龄的增长呈先增加后降低的变化趋势,树龄为14年时最高,为2.56分。相关性分析结果显示,水晶蜜柚果实的内在品质与果实感官风味存在一定的相关性,其中可溶性固形物含量、可滴定酸含量和固酸比对果实感官风味影响均较明显,Vc含量对果实风味影响相对较小。【结论】云南省瑞丽地区14年生水晶蜜柚果实的外观品质趋于稳定,其内在品质和感官品质最佳。展开更多
记述采自中国云南瑞丽的果实蝇属(双翅目,实蝇科) 2新种,拟黑颜果实蝇Bactrocera(Zeugodacus)proprediaphora Wang,Xiao et Chen,sp.nov.和瑞丽果实蝇Bactrocera(Bactrocera)ruiliensis Wang,Xiao et Chen,sp.nov.。2新种的正模及其中的...记述采自中国云南瑞丽的果实蝇属(双翅目,实蝇科) 2新种,拟黑颜果实蝇Bactrocera(Zeugodacus)proprediaphora Wang,Xiao et Chen,sp.nov.和瑞丽果实蝇Bactrocera(Bactrocera)ruiliensis Wang,Xiao et Chen,sp.nov.。2新种的正模及其中的4个副模标本保存于中国科学院动物研究所,其余的副模标本保存于瑞丽出入境检验检疫局。展开更多
文摘The Dai nationality, with a population of 1,025,128, mainly reside in Xishuangbanna Dai Nationality Autonomous Prefecture, Dehong Dai and Jingpo Nationalities Autonomous Prefecture, and 30 counties and cities such as Gengma and Menglian in Yunnan Province.The Dai nationality has its own written language. The 1,000-year Dai documents, including Buddhist Scriptures on Pattra and the famous Dai calendar, prove that the Dai nationality has long cultural history. The Dai narrative poem, Zhaoshutun and Nanmunuona (a legend about a prince and a peacock princess) and the medical classic entitled Traditional Dai Medicine, are important to the precious Chinese cultural heritage. The Dais celebrate the Water-sprinkling Festival every April.The Dais tend to settle along rivers. The ever-green Dai area has a subtropical climate with thick forests. The plentiful rainfall and the fertile soil are favorable to farming.Xishuangbanna Prefecture, dubbed as the 'Kingdom of plants' and 'Kingdom of animals', has a variety of plants and animals. Now, it has become the second largest rubber production base in China. In addition, the area is rich in rice, corn and tea.
文摘【目的】比较云南瑞丽地区不同树龄水晶蜜柚的果实品质及风味特性,为云南地区水晶蜜柚高效生产提供科学依据。【方法】分别测定云南瑞丽地区3、5、7、10、14和21年生树龄水晶蜜柚果实的单果重、果形指数、皮厚和果皮色泽等外观品质及果实可溶性固形物含量、可滴定酸含量、固酸比和维生素C(Vc)含量等内在品质,并对果实进行感官风味品尝鉴定,分析水晶蜜柚果实品质随树龄增长的变化规律。【结果】随着树龄的增长,水晶蜜柚果实的果形指数未发生明显变化;单果重、皮厚及果皮占单果重比例随树龄的增长呈下降趋势,树龄小于14年水晶蜜柚果实间的单果重差异不显著(P>0.05),但皮厚和果皮占单果重比例显著降低(P<0.05,下同),当树龄为21年(进入老龄结果期)时,单果重显著降低。果皮色差指数L*、a*和b*随着树龄增长而逐渐增长,且树龄相差越大,差异越明显。随着树龄的增长,果实的可溶性固形物含量、固酸比和Vc含量均呈先增加后减少的变化趋势,树龄为14年时达最大值,分别为11.97%、18.91和53.70 mg/100 m L;可滴定酸含量呈先减少后增加的变化趋势,树龄为14年时达最小值,为0.63%,与其他树龄差异显著。感官风味评价综合满意度也随树龄的增长呈先增加后降低的变化趋势,树龄为14年时最高,为2.56分。相关性分析结果显示,水晶蜜柚果实的内在品质与果实感官风味存在一定的相关性,其中可溶性固形物含量、可滴定酸含量和固酸比对果实感官风味影响均较明显,Vc含量对果实风味影响相对较小。【结论】云南省瑞丽地区14年生水晶蜜柚果实的外观品质趋于稳定,其内在品质和感官品质最佳。
基金the National Science Fundfor Fostering Talents in Basic Research(Special subjects in animal taxonomy,NSFC-J0630964/J0109)the National Natural Science Foundation of China(30770267)
文摘记述采自中国云南瑞丽的果实蝇属(双翅目,实蝇科) 2新种,拟黑颜果实蝇Bactrocera(Zeugodacus)proprediaphora Wang,Xiao et Chen,sp.nov.和瑞丽果实蝇Bactrocera(Bactrocera)ruiliensis Wang,Xiao et Chen,sp.nov.。2新种的正模及其中的4个副模标本保存于中国科学院动物研究所,其余的副模标本保存于瑞丽出入境检验检疫局。
