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高油玉米油分基因花粉直感效应的研究 被引量:5
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作者 段民孝 宋同明 +2 位作者 王利明 范弘伟 赵久然 《作物学报》 CAS CSCD 北大核心 2002年第2期208-214,共7页
选用籽粒色泽不同遗传标记材料 ,将白粒玉米 (作母本 )花粉与紫粒玉米 (作父本 )花粉以及黄粒高油玉米 (作父本 )花粉大致以 1:1:1混合的授粉方式 ,研究玉米油分基因花粉直感效应。结果表明 ,普通玉米间杂交 ,籽粒含油量变化不大 ,因组... 选用籽粒色泽不同遗传标记材料 ,将白粒玉米 (作母本 )花粉与紫粒玉米 (作父本 )花粉以及黄粒高油玉米 (作父本 )花粉大致以 1:1:1混合的授粉方式 ,研究玉米油分基因花粉直感效应。结果表明 ,普通玉米间杂交 ,籽粒含油量变化不大 ,因组合而异。用高油玉米作父本给普通玉米授粉 ,因高油玉米花粉直感效应 ,可显著提高杂交当代籽粒含油量。据试验估计 ,用高油玉米自交系为材料做授粉亲本 ,花粉直感效应值为 0 .35~ 0 .38,用高油单交种为材料做授粉亲本 ,花粉直感效应值为 0 .36~ 0 .4 展开更多
关键词 玉米 遗传标记 混合授粉 花粉直感效应值 油分基因
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高产优质商品玉米生产模式——三种遗传效应集成利用(TEU) 被引量:5
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作者 段民孝 宋同明 +1 位作者 赵久然 王元东 《种子》 CSCD 北大核心 2001年第2期3-6,共4页
通过大量详实资料 ,对玉米杂种优势、雄性不育、油分基因花粉直感等 3种遗传效应的研究现状作了详细概述 ,根据相关的遗传理论与实践 ,提出了将三种遗传效应进行技术集成的可能性 ,从而形成一种高产高油玉米生产模式 。
关键词 玉米 遗传效应 技术集成 杂种优质 雄性不育 油分基因花粉直感 生产模式
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A new species in the genus Synanthedon(Lepidoptera:Sesiidae)from China 被引量:1
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作者 Yufeng ZHENG Jinyu ZHAN Zhaofu YANG 《Entomotaxonomia》 CSCD 2022年第2期114-122,共9页
A new species,Synanthedon elaeagnus sp.nov.feeding on Elaeagnus mollis,is described from Shanxi,China.This new species is similar to Synanthedon ulmicola Yang&Wang,1989 in general morphology,but it differs from th... A new species,Synanthedon elaeagnus sp.nov.feeding on Elaeagnus mollis,is described from Shanxi,China.This new species is similar to Synanthedon ulmicola Yang&Wang,1989 in general morphology,but it differs from this latter species by features of the forewing,female and male genitalia.Neighbor-joining and maximum likelihood analysis both recover Synanthedon elaeagnus sp.nov.as a well-supported monophyletic lineage with a high support value based on COI gene sequences.The key features of this new species are illustrated. 展开更多
关键词 Synanthedonini COI gene TAXONOMY Elaeagnus mollis
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Analyses of the Sequence and Structure of the BnNIP7;1 Gene in Brassica napus
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作者 XIA Zhang-ting SUI Li-bo +6 位作者 TANG Wei-jie SUN Chao WANG Qian ZHOU Yao YU Li-xin YANG Jin-cheng LIN Liang-bin 《Agricultural Science & Technology》 CAS 2018年第4期36-42,共7页
Rapeseed,the largest oil crop in China,is a boron-loving plant.Boron has an important influence on the growth and development of rapeseed.In this study,four different boron-efficient Brassica napus varieties were used... Rapeseed,the largest oil crop in China,is a boron-loving plant.Boron has an important influence on the growth and development of rapeseed.In this study,four different boron-efficient Brassica napus varieties were used as the material to analyze the structure and sequence of BnNIP7;1 gene,aiming to provide a basis for studying the role of BnNIP7;1 in the absorption and transport of boric acid in rapeseed.The results showed that BnNIP7;1 exists in multiple copies of the Brassica napus genome,consisting of five exons and four introns.There are base insertions,base deletions and more base substitutions in introns.However,there is no base insertion or base deletion in the exon,only a small number of base substitution mutations are present,bringing about three amino acid changes in the encoded protein of BnNIP7;1-ZS9b in Zhongshuang 9.The BnNIP7;1-HY7b of Huayou 7 has an ochre mutation that will lead to a protein of only 47 amino acids,thus losing its function.Bioinformatics indicates that BnNIP7;1 protein is a membrane protein with six transmembrane regions,indicating that it is involved in the absorption and transport of boric acid. 展开更多
关键词 Brassica napus L. BnNIP7 1 gene Sequence analysis
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