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phosphine Learn more about phosphine

  • What about the drug damage caused by thiazolyl phosphine?

    What about the drug damage caused by thiazolyl phosphine?

    Thiazolyl phosphine is a kind of insecticide, which can inhibit the synthesis of acetylcholinesterase of root-knot nematodes, so as to achieve the effect of controlling aphids, root-knot nematodes and other pests. If the spray is not used properly, there will be drug damage, then how to do thiazolyl phosphine damage? 1. What about the drug damage caused by thiazolyl phosphine?

    2020-11-08 Thiazole phosphine drug damage what to do thiazole yes species insecticides
  • Common Diseases and Drug use of Pepper

    Common Diseases and Drug use of Pepper

    Blight: control with ethyl phosphine and manganese-zinc wettable powder. Virus disease: prevention and treatment with Zhiyanling emulsion and poison clear water agent. Root rot: control with sulfur suspension emulsion, methyl carbendazim, carbendazim wettable powder and Shuangxiaoling water agent. Botrytis cinerea: dampness with Pythium

    2020-11-08 Pepper common disease and medication abstract blight B phosphine
  • Difference between glyphosate and paraquat

    Difference between glyphosate and paraquat

    Glyphosateis a broad-spectrum herbicide that kills all weeds and roots. It takes 3 to 5 days to take effect slowly. It is low in toxicity and high in efficiency. Paraquat is a contact type broad-spectrum herbicide, quick acting, but can not kill the roots, can only kill the stems and leaves above the ground,

    2020-11-09 grass phosphine and paraquat of distinction for systemic
  • Does glyphosate harm roots?

    Does glyphosate harm roots?

    Glyphosate is theoretically harmless to crop roots. First, glyphosate will lose its activity when it meets the soil. If the roots are drenched, the solution will mainly flow into the soil at the roots and immediately have no herbicidal activity. Second, glyphosate is generally absorbed and conducted by the leaves.

    2020-11-09 grass phosphine herbicide wound root mole theoretically
  • Application method of ammonium glyphosate

    Application method of ammonium glyphosate

    Glyphosate ammonium salt is a kind of herbicide, which can control annual and perennial Gramineae weeds, Cyperaceae and broad-leaved weeds. The following is to introduce the use of glyphosate ammonium salt. First, grass

    2020-11-09 Glyphosate phosphine ammonium salt usage glyphosate yes
  • What should yam sow notice?

    What should yam sow notice?

    What should yam sow notice? The current is the yam sowing season, in order to effectively control the pest damage, in sowing should pay attention to the following points: rotation: root knot nematodes can survive in the soil for more than 3 years, diseased reed head, sick body, sick field soil is the main way of nematode disease transmission, conditional areas will...

    2018-09-10
  • Characteristics of dimethyl glyphosate

    Characteristics of dimethyl glyphosate

    Dimethyl glyphosate has the characteristics of wider herbicide spectrum, faster weeding speed and more obvious effect, and the herbicidal effect is not affected by low temperature, resistant to Rain Water erosion and lasting for a long time. It is a herbicide made of 2-methyl-4-sodium chloride and ammonium glyphosate. It is mainly used in non-arable land.

    2020-11-09 Dimethyl glyphosate phosphine characteristic dimethyl you herbicide
  • Control methods of muskmelon downy mildew

    Control methods of muskmelon downy mildew

    First of all, plant varieties with strong disease resistance. Secondly, do a good job in field management. For example, increase the application of organic fertilizer, chemical fertilizer nitrogen, phosphorus, potassium combined application; July-August rain should not be watered, if the need for water should be irrigated half of the ditch water; timely vine, maintain ventilation and light. Finally, spray

    2020-11-09 Melon frost mildew control methods first of all planting disease resistance sex
  • How to control rodent damage by planting edible fungi

    How to control rodent damage by planting edible fungi

    How to control rodent damage by planting edible fungi

    2019-09-03
  • Integrated control of cucumber diseases and insect pests in greenhouse in spring

    Integrated control of cucumber diseases and insect pests in greenhouse in spring

    1, spring disease 1, downy mildew (1) occurrence characteristics: stubborn (long-term companion), destructive (spread fast, outbreak). Occurrence conditions: high humidity: relative humidity above 83% is conducive to disease,(leaf surface with water droplets or water film), spore germination, invasion. Suitable temperature: 15-20℃. Nutrient...

    2018-09-13
  • The culture method of water tower flower

    The culture method of water tower flower

    The culture method of water tower flower

    2018-07-06
  • The latest culture method of water tower flower

    The latest culture method of water tower flower

    The water tower flower is a perennial evergreen herbaceous succulent plant of the pineapple family, also known as flame pineapple, red algae pineapple, flume pineapple, red pen pineapple, etc., is a good indoor foliage plant, native to tropical America, epiphytic on tropical forest trees or humus.

    2020-11-10 The latest water tower flower culture method yes pineapple
  • Main diseases of Welsh onion

    Main diseases of Welsh onion

    After entering the prosperous period of green onion growth, the harm of diseases and insect pests also entered the high incidence period. The main diseases and insect pests are purple spot, downy mildew, soft rot, onion maggots, onion thrips, onion leafminer, beet armyworm. 1. Purple spot disease: spraying 75% chlorothalonil wettable powder 500-600 times, 58% metalaxyl manganese.

    2018-09-16
  • What is the orchid hormone seedling?

    What is the orchid hormone seedling?

    First of all, avoid buying hormone grass. Orchid seedlings grown in greenhouses generally use hormones, and orchid farms cultivated naturally use it relatively less. To put it simply, plant growth regulators, that is, hormones, the issue of hormones is a sensitive topic, generally Lanyou talk about color change. Hormone vaccine is a popular analogy like a person taking a stimulant.

    2018-03-01
  • How to grow water tower flowers? can I put them in the room?

    How to grow water tower flowers? can I put them in the room?

    Water tower flower, this is a lot of people like breeding, this water tower flower is not generally good-looking, how to raise it? Can water tower flowers be kept indoors: 1. Heart rot and root rot: ways to prevent and cure heart rot or root rot in addition to paying attention to the problems of substrate, watering and water quality

    2019-01-26
  • The difference between glyphosate and glyphosate

    The difference between glyphosate and glyphosate

    Glyphosate and glyphosate are herbicides, although they are only one word difference, but there is an essential difference, many people confuse them, here is to introduce the difference between glyphosate and glyphosate. 1. Glyphosate is an amino acid that inhibits allyl alcohol.

    2020-11-09 Glycyrrhizin phosphorus and glycyrrhizin difference glyphosate phosphine
  • Scientific selection of pesticides in the cultivation of pollution-free crops

    Scientific selection of pesticides in the cultivation of pollution-free crops

    Scientific selection of pesticides in the cultivation of pollution-free crops

    2018-07-01
  • Brief introduction and frequently asked questions of Lantern Tree

    Brief introduction and frequently asked questions of Lantern Tree

    Brief introduction and frequently asked questions of Lantern Tree

    2018-08-09
  • How to control gray mold by planting garlic

    How to control gray mold by planting garlic

    How can garlic sprout early? Please guide the garlic to make garlic early germination can refer to the following methods: 1, water treatment method: first with 500 grams of quicklime, 50 kg of water, soaking for 24 hours, then with 1 kg of sulfur powder dressing seed 50 kg, water treatment, placed in a cool place, covered with fine sand or loess,...

    2018-09-10
  • How to prevent downy mildew of cabbage

    How to prevent downy mildew of cabbage

    In the early stage of the disease, 75% chlorothalonil wettable powder 600 times 800 times liquid, 70% mancozeb wettable powder 800 times liquid and other medicament prevention and protection. The early stage of the disease in mid-September is a critical period for prevention and treatment. 58% metalaxyl manganese zinc wettable powder N700 times, 20% flumorph wettable powder l000 times, 60% fluorine.

    2018-09-12