Novel method for enhancing insect resistance of flowers by using sodium hydrosulfide serving as hydrogen sulfide donor
A hydrogen sulfide donor and sodium hydrosulfide technology is applied in the field of known compounds hydrogen sulfide and hydrogen sulfide donor sodium hydrosulfide to enhance the insect resistance of flowers, and can solve the problem that pests are prone to drug resistance, highly toxic and high residues, and prevent and control the disease. Inappropriate and other problems, to achieve the effect of enhancing the insect resistance of flowers and low cost
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Embodiment 1
[0014] Arrange the jasmine flowers that grow uniformly and need to be pretreated neatly, and place them in a closed space. At around 8 o'clock in the morning, spray evenly on the jasmine leaves with a freshly prepared 80 μmol / L sodium hydrosulfide aqueous solution, and after 2 hours of airtight treatment, remove the jasmine flowers from the airtight space and place them at room temperature. Five jasmine leaf borers, which were cultured in the laboratory, had the same growth stage and were juvenile, were starved for 2 hours, and were inoculated on the treated jasmine leaves with a brush. gauze cover) routine management after isolation in the isolation hood. The control group was the treatment of spraying distilled water (CK1) and the treatment of inoculating pests after spraying distilled water (CK2). Leaves were collected at 0 h, 3 h, 6 h, 12 h, 24 h, 48 h, 72 h, and 168 h and stored for later use. There were 20 replicates for each material, and 3 replicates for each treatmen...
Embodiment 2
[0016] Arrange the chrysanthemums that grow uniformly and need to be pretreated neatly, and place them in a closed space. At around 8 o'clock in the morning, spray evenly on the leaves of chrysanthemums with a freshly prepared 100 μmol / L aqueous solution of sodium hydrosulfide. After 4 hours of airtight treatment, remove the chrysanthemums out of the airtight space and place them at room temperature. Five juvenile aphids that were cultured in the laboratory at the same growth stage were starved for 2 hours, then inoculated on the treated chrysanthemum leaves with a brush, and isolated with a cylinder made of polyester transparencies (covered with gauze at the top) Routine management after hood isolation. The control group was the treatment of spraying distilled water (CK1) and the treatment of inoculating pests after spraying distilled water (CK2). Leaves were collected at 0 h, 3 h, 6 h, 12 h, 24 h, 48 h, 72 h, and 168 h and stored for later use. There were 20 replicates for ...
Embodiment 3
[0018] Arrange the roses that grow uniformly and need to be pretreated neatly, and place them in a closed space. At around 8:00 in the morning, spray evenly on the rose leaves with a freshly prepared 60 μmol / L sodium hydrosulfide aqueous solution, and after 6 hours of airtight treatment, remove the rose from the airtight space and place it at room temperature. Five red spider mites that were cultured in the laboratory and were in the same growth stage and were young were starved for 2 hours, and then inoculated on the treated rose leaves with a brush, and made cylinders made of polyester slides (the top was covered with gauze) ) Routine management after isolation in the isolation hood. The control group was the treatment of spraying distilled water (CK1) and the treatment of inoculating pests after spraying distilled water (CK2). Leaves were collected at 0 h, 3 h, 6 h, 12 h, 24 h, 48 h, 72 h, and 168 h and stored for later use. There were 20 replicates for each material, and ...
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