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节节麦-簇毛麦属间杂种的形态学和细胞遗传学研究Morphology,Cytogenetics of Intergeneric Hybrid between Aegilops taucchii and Dasypyrum villosum
簇毛麦 节节麦 属间杂种 减数分裂 染色体配对 染色体加倍
2008/1/10
摘要通过远缘杂交，结合杂种幼胚离体培养，获得了节节麦（Aegilops tauschii,2n=14,DD）和簇毛麦（Dasypyrum villosum,2n=14,VV）的属间杂种F1。对杂种F1花粉母细胞减数(PMC)分裂中期Ⅰ (MⅠ)染色体配对行为进行观察发现,“节节麦×簇毛麦”杂种F1平均每PMC有1.25个棒状二价体, 染色体的平均构型为2n=14=11.49Ⅰ+1.25Ⅱ (Xta...
Isoenzyme Variation of Esterase and Acid Phosphatase and Genetic Affinities among Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Nevski and Elymus caninus (L.) L.
Dasypyrum villosum Elytrigia repens Elymus caninus esterase acid phosphatase isoenzyme variation genetic affinities
2010/3/22
Polyacrylamide gel electrophoresis was employed to study the isoenzyme variation of esterase and acid phosphatase in natural populations of Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Ne...