Key points of Prevention and Control of Diseases and insect pests in Family Flowers

1. Prevention is more important than cure

Prevention is fundamental, governance is a last resort measure. Flowers have diseases and insect pests, even if cured, the growth and development of plants will also be affected to a certain extent.

2. Timely control of flower pests

Diseases and pests are through the initial period to the peak of this process, once found when there are diseases and pests. Corresponding measures must be taken to eradicate diseases and insect pests in the initial stage.

3. Correctly master the concentration and mixing principle of pesticides

Excessive pesticide concentration makes flowers vulnerable to phytotoxicity. Some pesticides can be mixed at the same time, and some pesticides cannot be mixed. Therefore, before use, the mixing principle of pesticides should be understood, otherwise the purpose of pest control will not be achieved.

Key points of pest control for family flowers

Today we will introduce the key points of family flower pest control. Let's take a look together.

1. Prevention is more important than cure

Prevention is the root, governance is the last resort measures. Flowers have pests *, even if it is cured, the growth and development of plants will also be affected to some extent.

2. Timely pest control

Flower and rice diseases and insect pests have a process from initial to peak. Once diseases and insect pests are found, corresponding measures must be taken to eradicate diseases and insect pests in the initial stage.

3. Correctly master the concentration and mixing principle of various pesticides

If the pesticide concentration is excessive, it is easy to cause flowers to suffer from phytotoxicity. Some pesticides can be mixed at the same time, while some pesticides can not be mixed, before use should understand the mixing principle of pesticides, otherwise it will not achieve the purpose of pest control.

Key points of pest control for seedlings in summer

Summer temperature is high, humidity is big, especially after the rainy season thunderstorm weather, nursery stock pest damage is the most serious. Especially for those plots with high density, poor ventilation conditions and high groundwater level, this period is a critical season for pest control. Here are a few ways to control common pests:

I. Diseases

1. Rose, azalea powdery mildew, black spot disease, once occurred, there will be short plants, not luxuriant, branch development deformity, can not bloom, or open abnormal flowers, serious leaf atrophy dry, affect plant growth, resulting in the death of the whole plant.

2. Camellia leaf spot and anthracnose are common diseases, which occur frequently and sometimes seriously. The diseased plants affect the ornamental value and cause economic losses.

3. Magnolia red star disease, leaf spot disease, when the disease is serious, most of the leaves or the whole leaves wither black, affecting plant growth.

Common chemicals: 70% Tobzin 600-800 times, 50% carbendazim 500-600 times, 15% triadimefon 2000-2500 times, 62.25% Xiansheng 400-600 times spray alternately used better control effect.

II. Pests

1. Scale insects are normal harm boxwood, cherry blossoms, camellia, oleander, podocarpus and so on. Scale insects are the most common pests in flowers. Normal cluster in branches, leaves, adults, nymph dedicated mouthparts to absorb juice, causing branches, leaves withered, even the whole plant death, and can induce coal disease, great harm.

Control chemicals: available 20% scale killer 1000-1500 times, 80% EC 800-*** times, dragon sword 1000-1500 times, scale treasure 1500-2000 times spraying requirements in the egg incubation period, spraying requirements uniform, thoughtful. If the wax shell has formed, the spray will not be effective.

2. Red spider is a kind of mite, normal harm flowers have osmanthus, cypress, rhododendron, begonia, citrus and so on

Control chemicals: available 20% amitraz 1000-1500 times, 73% promite EC 2000-3000 times Longjian 1000-1200 times, these chemicals alternate use has a certain effect.