species cross

Artificial Interspecific Cross Among Seven Species of Dendranthema in China

菊属7个种的人工种间杂交试验

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The result shows that the cross-cutting efficiency of the mixed type chain on pine and maple tree species is higher than chipper chain.

试验表明，混合型锯链横截红松和槭木时，锯截效率高于刨刀式；

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Traditional plant breeding involves crossing varieties of the same species in ways they could cross naturally.

传统的植物育种涉及过境品种,同一品种可以杂交.

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Plant somatic hybridization provides the possibility of genetic material recombination of sexual cross-incompatibility plants, results in novel plant cultivars and even new species. It is a preponderant technique, especially for improving agronomic traits controlled by multiple genes.

植物体细胞杂交使远缘杂交不亲和的植物有可能实现遗传物质重组，创造和培养植物新品种乃至新物种，尤其在多基因控制农艺性状的改良上具有较大优势。

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For two Lonicera, shows the best way of pollination is the cross pollination, seed set that is both pollinated flowers with high and low rate, the number of pollinator species have some connection.

说明黄花忍冬和金银忍冬的最佳繁殖方式的异花授粉，即二者的结实率与传粉者访花率高低、传粉者种类的多少有一定的联系。

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Transformation Application of Single Cross Species Suyu No 1 of Good Quality Glutinous Corn

优质糯玉米单交种苏玉（糯）1号的转化应用

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Sequence analysis showed that all the 11 HEV strains belonged to genotype 4, sharing more than 96-100% sequence identities with each other, which suggested that cross-species infection of HEV happened in the wild-life zoo.

序列分析表明该11个毒株均为基因4型，序列之间的同源性为96-100%，推测在该野生动物园的不同种野生动物之间发生了HEV的跨种间传播。

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In addition, a restorer line of 1575A was found after hybridizing with 168 test-cross materials ( including Brassica napus, Brassica juncea, Brassica related species) in 2010.3.

另外，在2010年扩大测交范围用168份测交材料（包括甘蓝型油菜、芥菜型油菜、油菜近缘种）对1575A进行测交，找到了一个1575A的恢复系。

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