These techniques are high-yielding, efficient and low-cost for rapid multiplication of virus-free minitubers.
对马铃薯脱毒原原种的繁育技术进行了较系统的研究 ,即采用简易培养基、液体培养进行试管苗生长和自制的营养基质进行原原种生产 ,采取新改进的栽培技术进行工厂化大规模生产 ,使整个原原种生产更加高效、快速、低成本 ,可大规模推广应用。
17,the techniques for excellent parents original seeds reproducing were investigated in manual and natural segregation respectively.
根据优质杂交油菜新品种黔油17号母本98-116 AB及父本ZW 004的自身特点,分别在人工隔离和自然隔离条件下进行其原原种及原种的保优繁殖技术研究,保证亲本原始的优良种性,确保大面积生产中杂交种的质量以及品种的生产潜力。
The systematic research on seed potatoes has been carried out in Wuchuan potato elite base of northern Daqing mountain of Ulangab League of Inner Mongolia.
在内蒙古乌兰察布盟后山地区武川原种基地，对各级种薯生产技术及其良繁体系进行了系统的研究。
The article introduces production present status in flaxt,he problems of work in flax seed,the necessity of construction of flax original seed,so the suggestion about the construction of flax original seed base is put forward.
文章阐述了亚麻生产现状、亚麻种子工作的问题、亚麻原种基地建设的必要性、原种基地建设的建议。
The results showed that the basic seed,1st class certisify seed potato,in terms of plant height,single plant stems quantity,stem-leaf fresh weight,single plant tubers number and yield were much better than thoes of micro tuber and seconed class certicify seed potato;the yield used basic seed,1st class certicify seed was significantly higher than that of other classes seed potatoes.
结果表明:采用原种、一级种作种薯,无论在株高、单株分茎数、单株茎叶鲜重,还是在单株结薯个数与单株块茎产量上都明显优于微型薯和二级种;不同种级间原种、一级种的产量明显高于其他种级,一级种整薯产量最高,平均为51919。
The Efficient Production Technique of Original-original Potato Seeds with Virus-free in Guizhou
贵州马铃薯脱毒原原种高效生产技术
allogenic antigen
同种异型抗原，同种异体抗原
A primitive or ancestral form or species.
原形一种原先或始祖性的形态或物种
The causes of false reports lie in two aspects: objective and subjective.
假报道产生的原因有客观原因和主观原因两种。
The native habitat, as of a plant or animal.
原产地一种动物或植物的原栖息地
The valence atom of an alkali-metal atom has two states.
碱金属原子的价原子具有两种能态。
ANTIGENIC FRACTIONS OF BRUCELLA CANIS AND THEIR IMMUNOGENICITY
犬种布鲁氏菌抗原组分及其免疫原性
he went on. "I've always said you won't find a puppy in a tiger's den!
我原说的，虎门无犬种
includes many pathogenic species.
包括许多病原体种类。
a chronic disease of unknown cause marked by the formation of nodules in the lungs and liver and lymph glands and salivary glands.
不知原因的一种慢性
Tympanuchus cupido attwateri [prairie chicken]
草原榛鸡阿特沃特亚种
A microorganism, especially a pathogen.
一种微生物，尤指病原体
The tiger is native to India.
这种虎原产于印度.
He reaped before he sowed.
原始人先收获，后播种。
Which principle is more reasonable?
哪种原则更为合理?
There's no excuse for such behaviour.
这种行为不可原谅.
The medicine brought me around.
这种药使我复原了。
The material is easy to machine.
这种原料易于加工。