How to treat the red spider on the rose? The old florist teaches you three simple ways to stay away from diseases!

How to treat the rose red spider? It is well known that rose is a very beautiful and elegant flower, but it is also very expensive and must be maintained very carefully, otherwise it will be easy to suffer from all kinds of diseases and insect pests. Especially in hot and hot weather, we must take good care of our rose flowers and pay more attention to the prevention and control of a pest, red spider.

I. harmful symptoms of red spiders in rose flowers

Red spiders, in hot and dry seasons, are very prone to explosion. when they occur, they have yellow or red dots on their leaves, and when they are in large numbers, they even form cobwebs on the leaves of the rose. When we rub our hands on the blade, there will be red scratches on the blade. Red spiders have mouthparts and live on the nutrients of leaves and plants. When the red spider occurs, it will make the leaves yellow and wither, and even the plant will die, the harm ability can be seen.

Second, how to prevent and cure rose spiders?

1. Ventilation and ventilation

Indoor maintenance of rose, to pay attention to ventilation, indoor maintenance for longer, must be ventilated, ventilation to a certain extent will reduce the occurrence of insect pests.

two。 Timely watering

Red spiders like dry, dry environment, in dry weather, we must timely watering, and timely spray water, maintain a larger air humidity, this environment is not suitable for red spiders, to a certain extent, can play a preventive role. However, it can not play a role in governance, want to control red spiders, but also timely spraying pesticides.

3. Drug treatment

For the treatment of red spiders, avermectin, daben and other drugs can be used alternately to avoid resistance. When spraying these drugs, be sure to spray carefully, spray evenly, the front and back of the leaves, stems, soil should be taken into account, in order to avoid leakage of the fish, resulting in after-effects. At the same time, the fallen branches and leaves should be collected in time and burned in order to avoid residual insects and eggs.

Generally speaking, the rose is a very fragile variety, the maintenance of rose must be very careful, so if you raise the rose, you must take care of it at ordinary times!

Symptoms and control measures of rose insect pests control methods of rose aphids and red spiders

Meimei rose tricks how to deal with insect pests? Leaves were bitten, black spots plus holes, very ugly, just grown buds recruited aphids, reluctant to pinch, recruited red spiders, spots appeared on the leaves, what to do with these pests? Today, the editor will introduce to you the control methods of rose aphids and red spiders.

1. Rose aphids

The harm of aphids is direct and indirect, and the direct harm is to absorb the nutrition of bud juice, lead to leaf bud deformity, malnutrition and affect photosynthesis. The indirect harm is to pierce the surface of branches and leaves through mouthparts, spread bacteria and viruses, and increase the probability of infection of various diseases.

The prevention and control of aphids is very simple. Imidacloprid 800 is sprayed on the plant surface once every 7 days, 2-3 times.

2. Rose red spiders (mites)

Red spider is a common disease in the process of flower cultivation. The bug is small, less than 1 mm, round or oval, orange or reddish brown. As the small body is not easy to be found, once the harm is found, the damage to flowers is often more serious. This kind of insect damage way is to pierce the mouthparts into the flower leaves to suck the juice, so that the flower chlorophyll is destroyed, the leaves show gray-yellow spots or patches, and the leaves become withered and yellow, or even fall off. The red spider tarantula has a strong reproductive ability and can reproduce a generation in about 5 days at the earliest. This insect likes the high temperature and dry environment, so it propagates rapidly and does serious harm in the high temperature and dry climate.

Medication: Aika mite or gold mite branch 1000 times liquid, leaf both sides of the branches are sprayed with potion, alternate use 2 times, easy to do.

Well, this is the end of the introduction on the control methods of rose aphids and red spiders. Welcome to continue to pay attention to succulent flower beds and learn more about rose maintenance.

Prevention and Control of Red Spider in Rose

Red spider is also called spider mite. The red spider that harms the rose is mainly the common red spider, that is, the two-point spider mite. This pest is widely distributed in China. The harm is bigger, so there should be prevention and control measures for rose red spiders.

Prevention and control of rose red spiders:

One is to remove and burn the leaves with gray spots in the early stage combined with pruning.

Second, chemical control, you can choose 20% diclofenac EC 1000 times 1500 times Leba wettable powder 1000 times 2000 times, 73% carotene EC 2000 times 3000 times, spray once every 10 times 15 days, continuous spray 2 times 3 times, can achieve better results.

To sum up, the prevention and control of red spiders should be in accordance with local conditions, adhere to the principle of "prevention first, comprehensive control", give priority to chemical control, supplemented by physical control, and pay attention to make full use of natural enemy resources.