What should we do if the insect grows? disease and pest control of taro / 2 insect pests 2 diseases

In the process of cultivating taro, the last thing we want to encounter is diseases and insect pests. This kind of problem does great harm to taro, which not only affects its beauty, but also causes it to die. So what should we do if the flower and leaf taro grows worms? How to control the diseases and insect pests of taro? Next, the editor will take you to learn about it.

First, what to do when the mosaic taro grows? find the reason.

If you want to know what to do when the taro grows, first of all, we need to know what kind of insect is growing, so that we can deal with it pertinently, because the prevention and control methods of each kind of diseases and insect pests are different, the details are below, the pest control of taro is introduced in the column, let's take a look.

2. pest control of taro (pest)

1. Aphids

Aphid is a plant-eating insect, which mainly absorbs the juice of taro leaves, which leads to the gradual green fading of the leaves, and in serious cases, it will lead to the continuous shrinkage and shedding of the leaves and affect its flowering.

Control methods: when we control aphid pests, we can use 40% imidacloprid water solvent 1500-2000 times to spray it, generally 2-3 times in a row can completely eliminate this pest.

two。 Red spider

Among the diseases and insect pests of taro, red spider is a relatively common one, and its high incidence period is in the summer every year, so at this time we must pay special attention to the fact that when this kind of pest occurs, the leaves of the plant will gradually turn yellow and white. if it is not treated for a long time, it will also lead to the phenomenon of plant wilting.

Control method: when controlling the pest of red spider, we can spray it directly with 1000 times EC of phenyledalin EC.

3. Disease and pest control of taro (disease)

1. Leaf spot disease

Leaf spot is a disease caused by fungi, its high incidence period is in spring and autumn every year, leaf spot mainly harms the leaves of taro, there will be many round spots on the leaves, and the spot will gradually expand, the shape will also become irregular, and finally lead to the gradual death of the plant.

Prevention and control methods: in the prevention and control of leaf spot disease, we can use 50% methyl topiramate wettable powder 700 times liquid spray to spray taro, generally 7-10 days once, 2-3 times can be cured.

two。 Dry rot disease

Dry rot, also known as Fusarium wilt, is a fungal disease, which is harmful to the whole plant of taro. During the disease, there will be many water-stained dark spots, which will gradually expand into irregular shape with the passage of time. It is best to cause the plant to gradually atrophy and rot.

Prevention and control methods: when we prevent and cure dry rot, we can directly use 50% carbendazim 500 times solution soaking or spraying powder to spray the diseased plant, generally spraying once in 12-15 days, and can be cured after 1-2 times.

Prevention and control of diseases and insect pests of colored leaf taro (taro)

Colorful leaf taro, also known as flower leaf taro, is an indoor foliage plant of Araceae. The leaf color is eye-catching, and the summer and autumn season constitutes a beautiful natural pattern, which is the top grade of foliage plants. Colored-leaf taro is native to Brazil, Thailand, Guinea and other tropical regions, and was cultivated earlier in Europe. In the 1970s, new varieties of colored-leaf taro appeared continuously. According to incomplete statistics, there are nearly 400 varieties of colored-leaf taro, which is one of the important foliage plants in Europe and the United States.

Disease control tubers are prone to dry rot during storage, which can be soaked in 50% carbendazim 500 times solution or sprayed with powder. Leaf spot disease occurred during the growing period, and 50% methyl topiramate wettable powder 700 times was sprayed to control it.

Matters needing attention in breeding of taro beware of diseases and insect pests

Diseases and insect pests are rare, need to pay attention to protect tubers, tubers in storage prone to dry rot, once found in time to spray carbendazim. Leaf spot disease is easy to occur during the growth period, which should be mainly prevented, and fungicides should be sprayed every month to protect the healthy growth of plants.

Protect tuber

April to August is the peak growth season of taro, which ensures sufficient nutrients at this time. After September, the leaves will gradually wither. At this time, we should reduce watering and stop fertilization, so that the tubers can survive the winter safely in the soil. Wait until the next year the spring flowers bloom and continue to grow.