Asparagus is not only rich in nutrients, but also fresh in texture, delicious in flavor, tender and delicious, so the economic value of asparagus in the market is relatively high, but it is very difficult to carry, because asparagus is more diseased. So, what are the main diseases of asparagus? How to prevent and cure asparagus disease?
What are the main diseases of asparagus, how to prevent and cure asparagus diseases:
1. Asparagus brown spot disease: It mainly damages the stems, branches and leaves of asparagus, but mainly branches and leaves. When the disease is heavy, it often causes the plants to die early and die.
Asparagus brown spot control measures: using 75% chlorothalonil, 50% carbendazim, the above agents are formulated into 500 ~ 800 times solution for spraying, usually sprayed about 10 days, the onset of the disease can be sprayed about 7 days .
2. Asparagus stem blight: The disease mainly occurs on stems, side branches or leaves. The lesion is fusiform or short-lined around a hydrophilic edge that presents an edema.
Asparagus stem blight prevention and control measures: should adhere to the principle of prevention and prevention. Choose the appropriate planting field; thoroughly clear the garden, timely remove the dead plants; timely pruning; pay attention to drought and drainage; rational fertilization; do a good job in field management. The prevention and treatment of pharmacy should implement the principle of “anti-heavy treatmentâ€, and the young stems should be sprayed in time to obtain good results.
Asparagus stem blight disease control: when the new female stem grows to 15 cm, the stem is coated with 50% carbendazim. After the mother stem branch occurs, it is sprayed alternately with the following liquid spray every 7 to 10 days: 32.5% Asparagus Qing No. 2 600 times solution; 50% carbendazim 500 times solution; 50% iprodione 1000 ~ 1500 times solution; 70% methyl thiophanate 700 times solution.
3, asparagus anthracnose: mainly damage stems, lesions gray to light brown, fusiform or irregular shape, late disease ministers out of small black spots.
Asparagus anthracnose prevention and control method: timely remove the diseased body during harvest, concentrate deep burial or burning; apply decomposed organic fertilizer; pay attention to drainage after rain, prevent flooding, watering should be arranged in the morning, reduce night condensation In the early stage of the disease, spray 70% mancozeb wettable powder 500 times solution, 75% chlorothalonil wettable powder 600 times solution, spray once every 5 to 7 days, continuous prevention and control 2 to 3 times, 7 days before harvesting Stop the drug.
What are the main diseases of asparagus, and how to prevent and cure asparagus diseases will be shared with you here. I hope this article is helpful to everyone and I wish you good luck.
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