自然杂交

对自然杂交的研究有助于了解物种形成的过程。

Analysis of natural hybridization provides insights into the process of speciation .

经研究订正，确认该组共12种和6变种，其余名称均作为相应种、变种和变型的同物异名，文中讨论了物种的形态变异与分化，分布与替代，自然杂交等问题。

Individual variation of species were discussed with the differentiation , distribution and natural hybridization .

‘超红’是从引进的美国‘WhiteLady’桃的自然杂交实生种中选出。

' Chaohong ' is derived from the true seed of White Lady 's natural crossing . ' White Lady ' is an American peach variety .

人工和自然杂交的品种就更加多了。

The crossings and grown varieties are more than tenfold that number .

关于柚的一个自然杂交种&柚香橙的研究

Study on a natural hybrid between Citrus grandis Osbeck and C. JUNOS Tanaka

湖南柳属一自然杂交种

A natural hybrid species of Salix from Hunan

传统的植物培育方法，是依照植物自然杂交的方式，进行相同物种的人工杂交。

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

雄性不孕植株自然杂交后代，出现完全雄性不孕、部分雄性不孕与正常孕性植株。

Male-sterile , partially male-sterile and male-fertile plants were obtained from progenies of open-pollinated male sterile plants .

本文对湖南柳属植物的分类和地理分布作了较详细的论述，文中报导湖南柳属14种，4变种，并报导1新变种，2个分布新记录和1个自然杂交种。

This paper deals with the taxonomic and geographical distributional research of the genus of salix from Hunan .

日本绒螯蟹和中华绒螯蟹能自然杂交、可育，两者间不存在生殖隔离。

Eriocheir japonicus and Eriocheir sinensis could hybridize and breed naturally , so reproductive isolation principles didn 't exist between them .

杏新品种“早红”系利用当地优良单株作母本树，采用自然杂交实生选育法选育而成。

Selecting a high-quality Single Strain as maternal plant in local place , Zaohong was developed through natural hybridization seedling-selection method .

结果表明：金光杏梅是一种介于杏与李之间的中间类型，更进一步推断是杏与李的自然杂交实生后代。

The results showed that " Golden Plum " was a medium cultivar between apricot and plum and then was deduced be the natural chance seedling progeny of them .

赣晚籼37号（原名926）是用优质晚籼品种923自然杂交后代通过系谱法选择育成的一个优质高产品种。

" Ganwanxian 37 ", which is a good quality and high-yielding variety , was bred from the natural hybrid progenies of good quality variety " 923 " by pedigree method .

春兰是从福建省农科院茶叶研究所茶树品种资源圃铁观音的自然杂交后代中，经系统选育而成的一个优质早生乌龙茶新品种。

Chunlan , selected from progenies of natural hybrid of Tie Guanyinkept in the germplasm garden of Tea Research Institute , was a newly bred Oolong tea cultivar with early-growth and high-quality .

丹参的自然杂交结实率为75.4%，自交结实率为46.16%，表明丹参为常异花授粉植物。

The fruiting rate was 46.6 % and 75.4 % under the self-pollination and the natural cross-pollination respectively , which indicated that Salvia miltiorrhiza Bunge was a kind of cross-pollinating and self-pollinating plant .

利用RAPD技术对皱纹盘鲍自然种群和杂交养殖群体进行了遗传差异分析，共检测到173个位点。

The genetic variation between two heterozygous populations and two natural ones of abalone was explored through RAPD technique .

自然条件下杂交水稻优129的光抑制及其恢复特性

Photoinhibition and Recovery Properties of Hybrid Rice ⅱ you 129 under Natural Condition

与自然传粉和杂交控制传粉相比，自花传粉常常导致较低的结实率。

Self pollination , in general , produces lower percentages of seeds than controlled cross pollination .

结果表明，田间自然条件下杂交水稻叶片发生光抑制现象的主要原因是热耗散的增加，尤其是依赖叶黄素循环的热耗散的增加，而不涉及光合机构的破坏。

Results indicated that photoinhibition of rice flag leaves under field conditions mainly resulted from increasing in thermal dissipation , especially for the thermal dissipation depended on xanthophyll cycle , but no destruction of photosynthetic apparatus .

自然高温胁迫对杂交水稻花粉育性和主要农艺性状的影响

Influences of Natural High-temperature Stress on Pollen Fertility and Main Agronomic Traits of Hybrid Rice

在自然高温条件下杂交稻每一颖花受高温为害最敏感的时期是：（1）开花当日当时；

Under natural conditions the most sensitive periods of every spikelet susceptible to high-temperature are : ( 1 ) the due time at anthesis in that day ;