共查询到18条相似文献,搜索用时 62 毫秒
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高油酸花生遗传改良研究进展 总被引:1,自引:0,他引:1
油酸和亚油酸是花生种仁中的主要脂肪酸,其含量和比例是花生和花生油的重要品质指标,花生中的油酸含量存在丰富的遗传变异,与普通花生相比,高油酸花生因含有较高的不饱和脂肪酸更受到消费者的青睐。提高花生油酸含量、降低亚油酸含量(即提高油酸、亚油酸比值,O/L值) 是花生品质改良的重点,也是国内外研究的热点之一。通过育种途径改良花生脂肪酸成分及其含量,对于提高人民生活水平和增进营养健康具有重要意义。本文围绕着调控油酸含量的脂肪酸脱氢酶FAD2 基因的特点,高油酸花生分子标记的研究进展,油酸含量的检测技术和高油酸花生育种的方法进行了综述,总结了中美两国高油酸花生育成的新品种以及对高油酸花生育种的现状,并进行了展望。 相似文献
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豫花37号是以高产、广适性品种海花1号为母本,以高油酸小果开选016为父本,通过有性杂交和系谱法选择,在分离世代综合运用近红外品质检测、异地生态鉴定、分子标记辅助选择等育种方法选育而成的珍珠豆优质高油酸花生新品种。2012年和2013年参加河南省珍珠豆型优质花生区试,两年9个试验点荚果平均单产达到4583.55 kg/hm2,比对照远杂9102(普通油酸品种)增产2.68%;2014年参加河南省珍珠豆花生生产试验,6个试验点荚果平均单产5084.4 kg/hm2,比对照远杂9102增产10.84%;于2015年通过河南省品种审定委员会审定,夏直播生育期116 d左右。本研究进一步对豫花37的遗传背景和控制油酸含量的两对主效基因的突变类型进行了分析,对后续高油酸品种选育具有一定借鉴意义。 相似文献
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试验以育成的19个高油酸材料、2个对照品种和5个高油酸参照品种为材料,通过田间考种、室内考种、品质测定和休眠性检测来进行高油酸材料的评价。结果表明,19个高油酸材料中除H6外,油酸含量均在78%以上,油亚比值大于20;与高油酸参考品种的农艺性状相比,筛选的高油酸材料主茎高和侧枝长有所降低,分枝数和饱果数有了一定提高。产量比较筛选出4个产量表现较为突出的材料,1个大花生材料H4,与鲁花11号产量相当;3个小花生材料H12、H15、H17,分别比对照鲁花11号增产3.44%、14.50%、8.78%。 相似文献
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高油酸花生对大白鼠血脂水平影响的研究 总被引:1,自引:0,他引:1
目的:观察高油酸花生在高血脂症形成过程中对大白鼠血脂水平的影响。方法:选取50只Wistar大白鼠,随机分为5组,每组10只,高油酸花生分为5%和10%两个剂量组,普通花生设10%一个剂量组,另设一个高脂饲料组及一个基础饲料组;除基础饲料组外,其他4个组喂含有猪油的高脂饲料一个月,建立高脂模型。模型建好后,分别用10%普通花生饲料、5%高油酸花生饲料和10%高油酸花生饲料喂养一个月后,取尾血,测血清TC、TG、HDL-C、LDL-C四项指标。结果:高油酸花生饲料显示出能降低大白鼠血清中的TC、TG含量(P〈0.01)。 相似文献
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以5个高油酸含量花生品种和1个普通油酸含量花生品种为试材,在调查测定农艺性状、种子脂肪酸含量和SSR引物扩增带型的基础上,分析高油酸含量花生品种的多样性.结果表明,5个高油酸含量的花生品种在主茎高、侧枝长、分枝数、饱果数、百果重和百仁重6个性状方面的差异明显;其油酸含量均在80%以上,而其他七种脂肪酸的含量各有差异;利用12对SSR引物进行PCR扩增分析,共扩增出50条带,其中40条呈现多态,供试品种间的遗传相似系数介于0.325~0.750之间,平均为0.655.聚类分析结果表明,同一育种单位品种间的遗传相似系数较高,首先聚类在一起;国内高油酸含量品种间的遗传基础相近,优先聚为一类;高油酸含量品种与普通油酸含量品种间的遗传相似系数低,最后聚在一起. 相似文献
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Chuantang Wang Feifei Wang Zhiwei Wang Ying Wei Ning Chen Zubo Du Yueyi Tang Lijun Wu 《中国油料作物学报(英文)》2021,6(1):50-52
High-oleic peanut is favored by consumers because its a longer shelf life and benefits for cardiovascular health.Up to the high-oleic standard and with good taste is essential for peanut products in food processing.The aim of present study was to explore the effect of foliar fertilizers on chemical and eating quality of high-oleic peanuts.Three high-oleic peanut cultivars,namely Huayu 09C2,Huayu 9621,and Huayu 962,were used as materials.Huayu 09C2 and Huayu 9621 were planted in Fuxin,Liaoning,foliar sprayed with Fosforil at 2250 mL/ha,and Huayu 962 was sown in Jvnan,Shandong,foliar sprayed with Foliplus at 1500/3000 mL/ha.The chemical and sensory quality of peanut harvested from the treatment plots and controls was evaluated.Results showed that,Huayu 09C2 and Huayu 9621,foliar spraying with Fosforil in Fuxin,Huayu 962,foliar spraying with Foliplus in Jvnan,all still maintained high oleate content levels,and the Fosforil treatment was effective in raising the intensity of sweetness of roasted kernels.This study demonstrated the feasibility of improving chemical and sensory quality of high-oleic peanut through foliar fertilizer. 相似文献
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J. K. Khalil M. I. D. Chughtai 《Plant foods for human nutrition (Dordrecht, Netherlands)》1983,33(1):63-70
Four high yielding imported and one local peanut cultivar, grown under local soil and climatic conditions, were compared for their chemical composition and nutritional quality. The local cultivar Kurram contained the maximum protein (28.3%) and the imported cultivar No. 45 contained the maximum oil content (49.5%). K, Mg, P, Fe, Zn, Cu and Mn were present in nutritionally significant and comparable amounts in all the cultivars. Lysine was the first limiting amino acid in all the cultivars. The chemical scores and net protein utilization (operative) values were higher for the imported than local cultivar while net dietary protein calories percent (NDP Cal%) values showed only minor variations among the five cultivars. Significant differences (P<0.05) were observed for protein, oil, Na, K, Ca, P and Zn contents of all the cultivars. Roasting (150°C, 1/2 h) decreased the lysine, threonine, methionine, cystine, arginine, tryptophan and tyrosine contents but increased the protein, oil, ash, fiber, mineral elements (except Na and C1), aspartic acid, serine, glutamic acid, proline and phenylalanine contents. 相似文献
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