Everyone knows that there are a few longevity villages in China, and I live in one of them. I have lived here for 22 years, where chrysanthemums are everywhere and fragrant. Every morning, Grandma would make a pot of chrysanthemum tea and do other things after drinking. Grandma said, "Chrysanthemum can be used as medicine to cure diseases, chrysanthemum tea can make people live longer, chrysanthemum can also be made into exquisite delicacies." Grandma often cooks a dish called "chrysanthemum meat", "chrysanthemum meat" is a kind of chrysanthemum which has been made through long-term exploration. It is made from a piece of white tender pork processed by boiling sucrose pulp. It*s exquisite and exquisite, like white jade. Each piece is covered with a few chrysanthemum petals, which are full of fat, sugar and sweetness. The golden color is observed. The meat in the mouth is vegetable, and the meat in the vegetable is sweet and not greasy. It is really a famous dish. Grandma said that her ancestors did so. Slowly, everyone used it, and the village gradually became a longevity village. Dried Chrysanthemum,Dried Chrysanthemum Flowers,Organic Chrysanthemum,Honey Chrysanthemum Tea Lixian Spring Pharmaceutical Co., Ltd. , https://www.lxctyy.com
Rice locusts (mainly rice borers) are the main pests of rice and have been more severe in some provinces in recent years. Due to continuous use of single-agent prevention and treatment for many years, Sicuanhua had a high level of resistance to dimehypo and insecticidal insecticides. In some regions, S. indica and P. sinensis also produced high resistance to triazophos. Therefore, it is not appropriate to use these pesticides or insecticides to prevent stem borer or to use triazophos alone to control stem borer in these areas. For the prevention and control of S. indica, the pest status of rice fields should be investigated according to the information of the pests and diseases reported by the local disease and pest monitoring stations. When the peak of the incubation period during the tillering period is 5-7 days, there are 100 sheaths per mu and the rate of dry sheath is 1 %-15%; or when the breakage period, the damage rate reached 0.1%, the prevention and treatment of pesticides should be carried out. Can use any of the following agents for prevention and treatment, the use of technology is as follows:
(1) 5% Ruijinte SC is currently the best pesticide to prevent and treat S. japonicus. The dosage is 30-40 ml per mu. It is used at the peak of the age of 2 to 2 years. can;
(2) 40% rice oil Kang (triazophos) EC, 50 ml per mu, used in the peak season of 1-2 ages of the Huaihua rice cultivars, once in severe cases, once in 5-7 days;
(3) 30% paraquat EC, 35-40 milliliters per mu, used at the peak of 1-2 ages of Sichuang, and it will be administered once again after 5-7 days of severe illness.
(4) 20% SanA Emulsifiable Oil, 50-60ml of mu, used at the peak of 1-2 instar of Sichuanghua, and it will be administered once again after 5-7 days of serious illness. The drug should be applied after 3:00 pm.
(5) 50% Indigo (e.g., azole enemy) EC, 80-100 ml mu, used in the peak season of 1-2 age of Sichuang, severe drug when 5-7 days later.
(6) 18% insect killer (insecticide) water agent, 350-400 ml mu, in the hatching of the second phase of the egg hatching period of drug use, serious occurrence of 5-7 days once again.
(7) 78% spermicide killer (insecticide) soluble powder, 50-60 grams of mu, in the hatching of the second phase of the egg hatching period of medication, in severe cases over 5-7 days once again.
40-50 kilograms of water shall be sprayed on the above-mentioned chemicals, and at the same time, 3-5 cm water layer must be kept in the field to ensure the control effect. The use of triazophos pesticides to control aphids requires monitoring of rice planthoppers in rice fields because the drug stimulates the spawning of rice planthoppers.
In recent years, the rice leaffolder (Cnaphalocrocis medinalis) has been severe in some areas. Because of the large number of moths in the field, large amount of occurrence, large differences between regions and between plots, and the fact that the young larvae are not easy to be discovered by people, large-area rice leaves often appear. Scratched white leaf blade phenomenon. As the pesticides used in the control of rice leaf roller are relatively strict for the control period, if the optimal control period is missed, the control effect will be affected and the control cost will be increased. Therefore, the majority of farmers should pay close attention to the pest information of the local station at the end of June and the end of September, and pay close attention to the pest information of the local measurement station. According to the forecast, 80% of the plants will be used per acre during the egg incubation period of the leaf roller. Single or
78% insect killer soluble powder 50-60 grams, or 18% insecticidal double or 18% insect killer fluid 300-400 ml (the above-mentioned agent control cost is lower); also can be 1-2 days after the egg hatching peak (ie At the peak of the first instar larvae, when rice leaves in the paddy field have a large number of leaf tips in the first leaf of the paddy field) 48 ml of 48% L. oripeni oil is used per mu, 60 ml of 40% Xinnongbao EC, or 60 ml of 40% chlorpyrifos EC. Or 35% vertical vortex (Acetomethoxone) WP 80g, or 17% CENTURY (Atropine) EC 80-100ml, 30% acephate EC 175-200ml, 5% Tax SC45-50 ml, add 30-45 kg of fine spray of water. When the amount of insects is large, or the generation overlaps severely, once one can't effectively control the damage of rice leaf roller, it will be administered once again in 5-7 days.
The rice pests caused by rice planthoppers in some areas are mainly brown rice borers and white-backed rice borers. If they are out of control, they can cause large areas to be destroyed. Chemical control is currently the main method of controlling rice planthoppers. According to the appropriate period of local disease and insect intelligence forecast, combined with field investigations, when there are 1000-1500 rice planthoppers per 100 clumps and the younger nymphs are the dominant species, use 25% fluconazole wettable powder per acre (this medicine The effect on the old nymphs is not good, but the cost of control is 30-40 grams; if the nymphs or adults are the main instars, the imidacloprid series can be used, for example, 10-30% of the large konjac WP, 20-30 grams, or 10 % Schneider net wettable powder 20-30 grams, or 10% one time net wettable powder 20-30 grams, or 10% net wettable powder 20-30 grams, or 5% nettle cream 20-40 ml Add water 45-50 kg spray control. Imidacloprid should be used to control rice planthoppers in the area where rice black streak dwarf disease occurs. Generally, early rice and continuous cropping late rice need only to be controlled 1-2 times with the above-mentioned chemicals, and single-season rice is controlled 2-3 times. In the year of major outbreak, it can be controlled according to the pest information provided by the local agricultural department.
With the large-scale adjustment of the planting structure, the area of ​​single-crop rice in some parts of China has increased significantly. Because single-cropping rice has a long growing season and the conditions are suitable for a variety of pests, the single-crop rice disease is more serious than double-crop rice. At present, the major pests in the middle and late stages that pose a threat to rice production are rice borers (mainly stem borers), rice leaf roller, rice planthopper, sheath blight, bacterial blight, and bacterial leaf spot , rice blast, rice smut, and late rice hybrid syndrome. According to the experience of controlling rice pests and diseases in various places in recent years, we must effectively control the pests and diseases, ensure the harvest of rice and produce safe rice, and adopt the following prevention and control measures for the major pests in the middle and later stages of rice.