Small white spots appear on rose leaves
Generally, there are small white spots on roses, which is basically powdery mildew. At first, it was just a white spot, and then it gradually spread to the whole leaf plant. In serious cases, it even caused the whole leaf to turn yellow and fall off p>
Solution:
1. Cut the branches with powdery mildew, collect them and burn them directly. Don't let them infect healthy plants again p>
2. If you find that rose has powdery mildew, you should spray it quickly. Buy at least 2 kinds of special drugs for powdery mildew, cross irrigate the roots, and irrigate them once in about 5 days. Basically, it can be cured in half a month p>
3. For the sake of safety, flower friends who do not want to use drugs can mix white vinegar and water into a solution in the ratio of 1:50 and spray it on the rose leaves. Be sure to soak all the white powder on the leaves p>
Black spots appear on Orchid leaves
A few days ago, a friend sent a picture to Huahua. Huahua knew it was a red spider when she saw the dark brown spots on the leaves. In the eyes of flower growers, Starscream is the first and most annoying pest p>
Solution:
1. If you find that the orchid has red spider, you must spray the medicine quickly, otherwise the whole plant will suffer. It can be sprayed with jinmanzhi, pyridaben, abamectin and other cross uses. It can be sprayed once every 3-5 days to eliminate all starscreams p>
2. If you really don't want to use drugs, you can also light a mosquito repellent incense and put it next to the orchid pot. Basically, you can light one in 2-3 days, which will soon kill Starscream p>
3. In addition to mosquito repellent incense, you can also use washing powder mixed with water at a ratio of about 1:150, and then pour it into the watering can to spray the plants, about once every 5 days, which can also play the purpose of preventing and controlling starscreams p>
Fleshy leaves with small white spots
Generally, there are small white spots on fleshy leaves, and nine times out of ten they are scale insects. In summer, the temperature is high and the weather is hot. As long as the ventilation is poor, scale insects will come to the door p>
Solution:
1. If you find that there are not many scale insects on the meat, you can use toothpicks, tweezers, etc. to clean the scale insects directly, or you can light a mosquito repellent incense next to the flower pot, which can also achieve the effect of killing scale insects p>
2. If it is found that there are more scale insects on the meat, it must be sprayed. Internal sucking insecticides can be used, that is, no matter the drug is applied to any part of the meat, the efficacy can be transmitted to the whole plant, so as to kill scale insects that mainly suck meat juice p>
3. If you don't want to spray medicine or use mosquito repellent incense, you can also use the essential balm that you have at home. The scale insects can also be killed by mixing the essence of balm and water in the ratio of 1:500 and spraying it on the plant p>
Small black spots appear on the leaves of green pineapple
Huahua recently found that there are many small black spots on the leaves of the flowers at home. After a closer look, she knew that it was xiaoheifei! And this little black fly is so tenacious. He killed batch after batch, and still has it all the time p>
Solution:
1. Once you find a little black fly in the flowers at home, the quickest way is to use medicine. Huahua thinks that the effect of treating xiaoheifei is good, such as ant Chonglin and flower protecting God. After mixing water according to the concentration in the manual, pour roots into the basin soil. Basically, it only takes 3-4 times to eliminate xiaoheifei p>
2. It's not enough just to irrigate the root with medicine. You can use the sticky insect board at the same time. Put the sticky insect board next to the flowerpot. After a while, you can see many small black flies sticking to it p>
3. If there are old people and children at home who don't want to use drugs, they can also make their own pesticides. Mash the garlic and soak it in water. After about 24 hours, filter out the garlic powder, stir the garlic water and clean water in the ratio of 1:1, and spray it directly towards the plant p>
There are aphids on Gardenia leaves
There is a pot of Gardenia in Huahua's home. When watering in the morning, I found a lot of aphids on the leaves. It's really disgusting to Huahua p>
Solution:
1. The simplest and most effective way is to use drugs such as formin and spray plants after mixing with water, which can eliminate aphids as soon as possible p>
2. Another simple and effective way is to use black light. Aphids have phototaxis. Using black lights in the house can attract all aphids. After several times, they can basically eliminate the aphids p>
3. You can also use pepper or prickly ash to boil in boiling water until it changes color, take out the impurities, and then spray pepper water or prickly ash water on the plant to drive away aphids with pungent smell p>