对细胞倍性鉴定结果表明，多数诱变株系为二倍体细胞和四倍体细胞共存的嵌合体，其中二倍体细胞平均占79.4％，四倍体细胞平均占20.6％。
The identification results of cell ploidy in the material induced showed that most strains were mosaic with diploid and tetraploid cells at average levels of 79.4% and 20.6% respectively.
对番茄病毒病的主要症状、类型，番茄上TMV、CM V株系分化的鉴定及其遗传规律的研究现状进行了综述。
The main characters, types, appraisal and genetic rule of differentiation of tomato TMV and CMV were reviewed.
对中国野生葡萄资源的17个种或变种，共73个株系根围寄生线虫的种类和密度进行了系统的调查与鉴定。
Species and densities of parasitic nematodes were systematically investigated from the rhizosphere soil of 73 clones which belong to 17 species of wild grapes native to China.
对10份资源的31个单株系统进行苗期耐寒性鉴定，有6个单株系统的苗期耐寒性强，这6个单株系统属于3个资源。
The tolerance evaluation of 31 single plant progenies from 10 accessions of the resources indicated that there were 6 plants with high tolerance at seedling stage which belong to 3 various resources.
对云南竹子丛枝病植原体株系分类鉴定与已报道的结果相似。
The taxonomic status of bamboo witches broom phytoplasma collected in Yunnan province is consistent with that reported before.
研究病源物小种、株系、生物型的分化及抗性的差异反应以及抗性的鉴定技术和方法等。
SMV, SCN, insects, and physiological stresses e. g. drought, salt; to study technology of resistance characterization; to study genetics of germplasm with specific resistance, etc.
研究病源物小种、株系、生物型的分化及抗性的差异反应以及抗性的鉴定技术和方法等。
SMV, SCN, insects, and physiological stresses e. g. drought, salt; to study technology of resistance characterization; to study genetics of germplasm with specific resistance, etc.
应用推荐