Cryoprotectant applied to facility vegetables and preparation method thereof
A low-temperature, vegetable-resistant technology, applied in the fields of botanical equipment and methods, chemicals for biological control, applications, etc., can solve the problems of high investment cost, time-consuming and labor-intensive, unstable effect, etc., to ensure production efficiency, Easy to use, obvious effect
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Embodiment 1
[0022] Zucchini of the early green generation, soaked in warm water on July 14, 2008 to accelerate germination, raised seedlings in a 9cm × 9cm nutrient pot, sprayed a mixture of 2.50 parts of glucose, 0.03 parts of polyethylene glycol and 97.47 parts of distilled water at the three-leaf one-heart stage, and treated with clean water for the control. The next day, they were moved into an artificial climate chamber for low temperature stress treatment at a temperature of 6°C and a temperature and photoperiod of 10h (day) / 14h (night). After 3 days of treatment, the chilling injury index and physiological indicators of the leaves of the seedlings were measured. The test materials in each treatment were 8 plants, repeated 3 times, and the data were statistically analyzed by the DPS statistical method. The test results showed that the chilling injury index was 21.38%, which was 71.25% of the control; the POD enzyme activity was 354.28U / g·min , which was 158.59% of the control, and th...
Embodiment 2
[0024] Zucchini of the early green generation, soaked in warm water on July 14, 2008 to accelerate germination, raised seedlings in a 9cm×9cm nutrient pot, sprayed a mixture of 2.0 parts of glucose, 0.1 parts of polyethylene glycol and 97.9 parts of distilled water at the three-leaf one-heart stage, and treated with clean water for the control. The next day, they were moved into an artificial climate chamber for low temperature stress treatment at a temperature of 6°C and a temperature and photoperiod of 10h (day) / 14h (night). After 3 days of treatment, the chilling injury index of the leaves of the seedlings was measured. The test materials in each treatment were 8 plants, repeated 3 times, and the data were statistically analyzed by DPS statistical method. The test results showed that the chilling injury index was 22.61%, which was 75.36% of the control; the POD enzyme activity was 402.69U / g·min , which is 180.26% of the control, and the SOD enzyme activity is 463.15U / g·min, ...
Embodiment 3
[0026] Heat-resistant king zucchini, soaked in warm water on July 14, 2008 to accelerate germination, raised seedlings in a 9cm×9cm nutrient pot, sprayed a mixture of 1.5 parts of glucose, 0.5 parts of polyethylene glycol and 98.0 parts of distilled water at the three-leaf one-heart stage, and treated with clean water for comparison. The next day, they were moved into an artificial climate chamber for low temperature stress treatment at a temperature of 6°C and a temperature and photoperiod of 10h (day) / 14h (night). After 3 days of treatment, the chilling injury index and physiological indicators of the leaves of the seedlings were measured. In each process, the test materials were 8 strains, repeated 3 times, and the data were statistically analyzed using the DPS statistical method. The test results showed that the chilling injury index was 19.39%, which was 78.29% of the control; the POD enzyme activity was 381.75U / g. min was 144.24% of the control, and the SOD enzyme activit...
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