Prevention and control methods of plant diseases and insect pests in the grass coral seedling stage
A technology of pests and corals, which is applied in the field of prevention and control of coral grass seedlings, can solve the problems of dead coral seedlings, low seedling rate of coral coral seedlings, and endanger the growth of coral coral seedlings, so as to improve the seedling rate and economic benefits , Improve disease resistance, prevent damping-off and bakanae disease
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Embodiment 1
[0012] A method for preventing and controlling diseases and insect pests of grass coral seedlings. Seedlings are grown in a sunshade greenhouse. During the seedling raising process, the nursery ground is inspected every day. When the surface soil of the nursery ground is dry and whitish, it is watered to keep the soil around the root system of the seedlings moist and there is no water accumulation on the surface of the seedbed. ;
[0013] In the early stage of black mold disease, use 46% copper hydroxide water-dispersible granules and 50% chlorobromoisocyanuric acid soluble powder to mix at a weight ratio of 1:1.5, add water to dilute to 1000 times, and spray every 6 days Once, spray 2 times in a row.
[0014] In the early stage of anthrax, mix 20ml of 25% prochloraz EC with every 15g of 50% chlorobromoisocyanuric acid soluble powder, add water to dilute to 800 times of liquid, spray once every 6 days, and spray continuously Apply 2 times.
Embodiment 2
[0016] A method for preventing and controlling diseases and insect pests of grass coral seedlings. Seedlings are grown in a sunshade greenhouse. During the seedling raising process, the nursery ground is inspected every day. When the surface soil of the nursery ground is dry and whitish, it is watered to keep the soil around the root system of the seedlings moist and there is no water accumulation on the surface of the seedbed. ;
[0017] In the early stage of black mold disease, use 46% copper hydroxide water dispersible granules and 50% chlorobromoisocyanuric acid soluble powder to mix at a weight ratio of 1:1.5, add water to dilute to 1100 times, and spray every 8 days Once, spray 3 times in a row.
[0018] In the early stage of anthrax onset, mix 20ml of 25% prochloraz EC with 15g of 50% chlorobromoisocyanuric acid soluble powder, add water to dilute to 900 times, spray once every 8 days, and spray continuously Apply 3 times.
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