Method of cultivating rose cultivars through distant backcross
A rose and distant technology, applied in the field of plant cultivation, can solve the problems affecting the process of hybrid breeding, unstable variety characteristics, difficulty in emergence of hybrid hybrids, etc., and achieve the effects of elegant and pure fragrance, lasting green leaves of roses, and plump flower patterns.
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Embodiment 2
[0080] No. 1 Zhongtian Rose (ToproseNo: 1) of embodiment 1 is carried out stress resistance experiment, specifically as follows:
[0081] Cold tolerance: Xinjiang Karamay Oilfield Greening Department was entrusted to plant 1,200 Zhongtian Rose No. 1 (Toprose No: 1) in its base to carry out the cold tolerance test for overwintering. Through practice, in the first year of planting, water control and fertilizer saving measures are taken to prevent excessive growth of branches, so that they can fully form woody quality, and better solve the problem of safe overwintering at minus 38 ℃. The test results show that the average cold resistance index of Rose Zhongtian is 0.3, the frostbite length of the branches is less than 10%, and there is basically no frostbite.
[0082] Saline-alkali resistance: Inner Mongolia Hangjin Banner and other coastal and inland saline-alkaline areas conducted a saline-alkali experiment on Zhongtian Rose No. 1 (Toprose No: 1). It grows well in soda alkalin...
Embodiment 3
[0089] The flowers of different rose varieties are extracted with steam distillation. The extraction process parameters are: liquid-to-solid ratio 4:1, distillation time 4h, distillation speed 200mL / h (distillate of 10% distillate volume per hour) ), the charging capacity is 75% of the distiller. The experimental results are shown in Table 3.
[0090] table 3
[0091]
[0092] From the data in Table 3, it can be seen that the rose rose balm rate of the present invention reaches 0.055, which is higher than that of rose damascena with high oil at present.
[0093] The chemical composition was determined by capillary gas chromatography-mass spectrometry.
[0094] Instrument: GC / 7AG chromatograph (Shimadzu, Japan), analytical column: quartz capillary column, 50m×0.3m, column temperature 80-180°C, 2°C / min temperature program, vaporization temperature 240°C, carrier gas is N 2 , the carrier gas flow rate is 60mL / min, and the injection port temperature is 240°C. Mass spectrome...
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