An experiment was performed in a sunflower field based on sunflower characters and relevant researches available to explore multiple-generation cultiva- tions in Hainan in order to establish a cultivation method of su...An experiment was performed in a sunflower field based on sunflower characters and relevant researches available to explore multiple-generation cultiva- tions in Hainan in order to establish a cultivation method of sunflower inbred line with three generations per year and reduce breeding process of inbred lines. The results showed that the cultivation site is chosen as per relevant standards that ef- fective accumulative temperature （≥5 ℃） is equal to or higher than 1 900 ~C within 110 d from sowing date. It is notable that a good choice of planting site is a guar- antee of the technology and to establish the method cultivating sunflowers with three generations per year is of great significance in terms of reducing breeding process of inbred lines and breeding costs. In addition to that, it provides refer- ences for rapid cultivation of multi-generation sunflowers and improving breeding effi- ciency.展开更多
The breeding technology of sunflower inbred lines with four generations in one year was explored through the research on the biological characteristics of sunflower itself and the breeding status of sunflower inbred l...The breeding technology of sunflower inbred lines with four generations in one year was explored through the research on the biological characteristics of sunflower itself and the breeding status of sunflower inbred lines using the young embryo culture technology,the greenhouse seedling technology and field test planting,based on sunflower field breeding and planting combined with greenhouse planting.The reasonable selection of planting sites as the core of the breeding technology of sunflower inbred lines with four generations in one year is a guarantee.Embryos can be taken 7-10 d after pollination to enter the next generation of cultivation,thus shortening the generational cultivation cycle.The establishment of a breeding method of sunflower inbred lines with four generations in one year reduces the cost of breeding and has a practical role and significance for the field of sunflower inbred line breeding technologies.展开更多
基金Supported by New Variety Breeding and Germplasm Innovation(2016AC027)Modern Key Agricultural S&T and Achievement Transformation Program of Xinjiang Corps(2016AC024)~~
文摘An experiment was performed in a sunflower field based on sunflower characters and relevant researches available to explore multiple-generation cultiva- tions in Hainan in order to establish a cultivation method of sunflower inbred line with three generations per year and reduce breeding process of inbred lines. The results showed that the cultivation site is chosen as per relevant standards that ef- fective accumulative temperature （≥5 ℃） is equal to or higher than 1 900 ~C within 110 d from sowing date. It is notable that a good choice of planting site is a guar- antee of the technology and to establish the method cultivating sunflowers with three generations per year is of great significance in terms of reducing breeding process of inbred lines and breeding costs. In addition to that, it provides refer- ences for rapid cultivation of multi-generation sunflowers and improving breeding effi- ciency.
基金Supported by China Agriculture Research System of MOF and MARA(CARS-14-1-12)Science and Technology Research Project in Key Fields of the Corps(2021AB011)Science and Technology Project of the Nine Division(2021JS007).
文摘The breeding technology of sunflower inbred lines with four generations in one year was explored through the research on the biological characteristics of sunflower itself and the breeding status of sunflower inbred lines using the young embryo culture technology,the greenhouse seedling technology and field test planting,based on sunflower field breeding and planting combined with greenhouse planting.The reasonable selection of planting sites as the core of the breeding technology of sunflower inbred lines with four generations in one year is a guarantee.Embryos can be taken 7-10 d after pollination to enter the next generation of cultivation,thus shortening the generational cultivation cycle.The establishment of a breeding method of sunflower inbred lines with four generations in one year reduces the cost of breeding and has a practical role and significance for the field of sunflower inbred line breeding technologies.
