Preteatment Solution And Low Temperature Preservation Technology Keeping Effect Of Cut Tulip

In this paper, tulips (Tulipa gesneriana) cut the pretreatment liquid formula and cold storage preservation techniques are studied, the type and concentration by the ratio of pharmaceutical test, select the vase life of cut flowers as a measure, then the best pretreatment liquid formulation; Preservation by cold storage vase experiments examine the process of cut flower in vase water changes, soluble protein content, soluble sugar content, malondialdehyde (MDA) content, catalase (CAT), peroxidase (POD) activity and related changes in physiological and biochemical indexes, the preliminary exploration tulip physiological mechanism of senescence and effects of various physiological factors of senescence.The results are as follows:Based on previous research results, select the number of fresh cut flowers to extend the life of the significant role of chemical agents, designed as a cut flower different concentrations of the pretreatment solution, the best type of chemicals and their concentration screening.100 mg/L GA3,50 mg/L 6-BA, 150 mg/L 8-HQC,150 mg/L Al2(SO4)3 treatment can significantly extend the vase life of cut flower, vase days to 6d, compared with the control extension 50%.Select plant growth regulators, fungicides, sucrose, ethylene inhibitors as a pretreatment solution of the basic ingredients. Selected through a single pharmaceutical experiments carried out on the best combination of further study as a pretreatment solution of several pharmaceutical composition of the preservation effect. Experiment showed that:10g/L sucrose+100 mg/L Co (NO3) 2+50 mg/L 6-BA +150 mg/L8-HQC preservation of the best, extend the vase life of 9 days; 10g/L sucrose+100 mg/L Co (NO3) 2+50 mg/L 6-BA+150 mg/L Al2(SO4)3preservative effect was better, extend the vase life of 8 days.Since the distribution of the pretreatment solution with C:10g/L sucrose+100 mg/L Co (NO3) 2+50 mg/L6-BA+150 mg/L8-HQC and pretreatment solution D: 10g/L sucrose+100 mg/L Co (NO3) 2+50 mg/L 6-BA+150 mg/L A12(SO4)3 and treatment of two common pretreatment solution A:4mmol STS and treatment B: 1000mg/L AgN03 pretreatment of cut flower. Pretreatment solution C (10g/L sucrose+100 mg/L Co (NO3)2+50 mg/L 6-BA+150 mg/L8-HQC) the preservation of the best, could effectively delay the cut flower senescence, increased ornamental quality. The treatment solution to the peak rate of change of fresh weight increased by 8%, maximum 41.8% increase in flower diameter, vase life of up to 9 d.Pretreatment with the preservation of the best liquid formulations and free radical scavenger selected portfolio of experiment showed that free radical scavenger with the best pretreatment liquid formula:10g/L sucrose+100 mg/L Co (NO3) 2 +50 mg/L6-BA+150 mg/L8-HQC+50 mg/L ascorbic acid.With distilled water as control of pretreatment solution combining different storage methods (dry storage and wet storage) on the refrigerator (5-6℃) 7 d of the cut flower physiology and biochemistry. In storage before the cut flower pretreatment liquid handling, to improve the storage of cut flowers after significant role in promoting quality, can extend the vase life of cut up to 8 d, the value will be reduced to a negative water balance delayed to 4 d, also can delay the decline in protein content, increased soluble sugar levels and CAT activity, POD activity increased delay and slow down the accumulation of MDA. Particularly in the pretreatment solution was the best combination of wet storage, storage and preservation measures for the best.