Agricultural composition containing chitosan oligosaccharide and toyocamycin, and application of agricultural composition
A technology of toyocamycin and its composition, which is applied in the field of agricultural compositions containing oligochitosan and toyocamycin, can solve the problems such as the research report on the agricultural composition of oligochitosan and toyocamycin, etc. Achieve the effect of reducing the frequency of pesticide use, reducing the cost of use, and improving the control effect
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Embodiment 1
[0019] Embodiment 1 contains the effect of the agricultural composition of chitosan oligosaccharide and toyocamycin on watermelon wilt
[0020] According to the plan, compound preparations, single doses, and water preparations were prepared, and activity pre-tests were carried out. According to the preliminary test, the preparation is prepared to the required concentration. Select the fields where the watermelon wilt disease occurred before cropping, and arrange the fields evenly. The preparations with different agents are used for uniform seed dressing (concentration is measured in effective milligrams of the agent per kilogram of seeds), sowing, and routine management. Investigate the disease status of watermelon plants when the disease first occurs. Convert percentages to efficacy using Abbot's formula.
[0021]
[0022]
[0023] Theoretical control effect (%)=x+y-xy
[0024] In the theoretical effect, x is the effect of substance A when the concentration is a, y ...
Embodiment 2
[0029] Example 2 The control effect of the agricultural composition containing oligochitosan and toyocamycin on tomato gray mold
[0030] Mix sterilized soil and sterilized river sand to form culture soil, mix thoroughly, and then mix into the medicine. The concentration of the agent is measured in milligrams of active ingredients of the agent per kilogram of soil. Use the corresponding quantitative suspension preparation to directly mix the soil, mix well, add water to make the water content 30%, and then mix well and then quantitatively put it into the pot. Tomatoes are grown in pots and managed routinely. When the gray mold of the blank control commonly occurs, the percentage of gray mold infection on the leaves of the plants is determined. Convert percentages to efficacy using Abbot's formula.
[0031]
[0032] Theoretical effect (%)=x+y-xy
[0033] x is the control effect of active component A when the concentration is a, and y is the control effect of active compon...
Embodiment 3
[0037] Example 3 The effect of the agricultural composition containing oligochitosan and toyocamycin on pepper diseases
[0038] According to the protocol, compound preparations and single-dose preparations were prepared, and activity pre-tests were carried out. According to the pre-test of activity determination, the preparation is formulated into the required concentration. Before the test, a corresponding single dose and a blank control were set up in the pepper field, and a hand-held sprayer was used for routine constant spraying, and 50 plants were sprayed with each dose. Apply again 7-10 days after the first application. 10-20 days after the second spraying, the diseases of listed pepper plants were investigated. Convert percentages to efficacy using Abbot's formula.
[0039]
[0040] Theoretical effect (%)=x+y-xy
[0041] In the theoretical effect, x is the effect of substance A when the concentration is a, and y is the effect of substance B when the concentratio...
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