Agricultural Products Lists
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What is the expression of peanut calcium deficiency? How to prevent?
Symptoms of iron deficiency peanut performance for the upper part of the tender leaves chlorosis, while the lower part of the old leaves and veins remain green; severe iron deficiency, veins chlorosis and yellowing, the upper part of the new leaves all white, brown spots necrosis, dry and fall off. Control methods can choose 0.1%~0.2% ferrous sulfate solution foliar spray...
2018-09-10 -
Measures of "three Prevention" to promote yield increase in the later stage of Peanut
What is the difference between peanut black spot and brown spot? Peanut black spot and brown spot are the most common leaf diseases of peanut, which are characterized by the formation of spots on the leaf surface, so they are collectively called leaf spot disease. The main differences are: Brown spot occurs earlier, occurs at the early flowering stage, and the disease spot on the leaves is larger, round or irregular in the later stage.
2018-09-10 -
Key Techniques for High-yielding Cultivation of Peanut
China's peanut planting area is about 70 million mu, accounting for 1/3 of the country's oil production area, the total output of 48% of the country's total oil production, ranking first among oil crops. Peanut farming methods With the continuous innovation of cultivation techniques and the selection and promotion of early-maturing varieties, peanut farming systems are also ripe from one year to one year.
2018-09-10 -
How is peanut clump disease caused? How to prevent and cure?
How is peanut clump disease caused? How to prevent and cure? The main results are as follows: (1) incidence regularity: peanut witches' broom disease may be a disease infected by mycoplasma or mycoplasma and virus. Neither seed nor soil can transmit disease, but grafting can infect it. Whether other insects and juices can transmit poison is being studied. The occurrence of arbuscular disease of peanut.
2018-09-10 -
Good control effect of diseases and insect pests during peanut sowing
Peanut pests and diseases harm many kinds, wide range of occurrence, serious harm. Due to the different occurrence, distribution, epidemic law, harm period and living habit of various diseases and insect pests, it is difficult to prevent and control them in suitable period. Practice shows that when sowing, pest control can save peanuts caused by pests and diseases.
2018-09-10 -
Topdressing technology of peanut and soybean
It is an important measure to improve the overall yield level to do a good job of topdressing peanut and soybean in the middle and later stage according to different conditions. First, peanut topdressing is mainly in the flower needle stage, when the nitrogen fixation capacity of peanut rhizobium has gradually decreased, and the plant has entered the peak period of nutrient absorption, topdressing can be divided into two situations:.
2018-09-10 -
Make good use of base fertilizer when sowing peanuts and soybeans
Some farmers do not apply any fertilizer when sowing these crops, which is one of the important reasons that restrict the yield of peanuts and soybeans. Although legume crops can use the nitrogen fixation function of rhizobium to absorb nitrogen in the air to supplement nutrients, but the amount of nitrogen fixation is only 2 × 3-1 × 2, and phosphorus and potassium nutrients.
2018-09-10 -
How to control peanut bacterial wilt?
How to control peanut bacterial wilt? (1) rotation: the rotation of water and drought has obvious effect after 1 to 2 years. The rotation of dry land and cereal crops was 1 ~ 3 years in mildly diseased land and 4 ~ 5 years in seriously diseased land. (2) selection of disease-resistant varieties: at present, the disease-resistant varieties are Xiekangqing, Ehua 5, Zhonghua 2, You92, Guiyou 28.
2018-09-10 -
How to control peanut stem rot?
How to control peanut stem rot? (1) keep good seed: choose summer peanut to keep seed. Harvest in advance on sunny days, dry in the sun, store in a dry place, and choose large healthy seeds before sowing. (2) seed disinfection: 50% carbendazim wettable powder 0.3%, 25% carbendazim wettable powder 0.
2018-09-10 -
How to prevent and cure the purple feather disease of peanut?
How does peanut leaf spot happen? Peanut black spot and brown spot are diseases caused by fungi. The sexual generation of peanut black spot pathogen is Berkeley coccidiomycetes; aspergillum hemispherical, brown to black, buried under the host epidermis, conidiophores; terminal conidia, conidia olive.
2018-09-10 -
What are the reasons for the occurrence and prevalence of peanut rust?
What are the reasons for the occurrence and prevalence of peanut rust? Peanut rust is a fungal disease caused by peanut stalk rust. The summer spores are yellow, round or nearly round, with micro-thorns on the surface, and there is a germination hole on each side of the middle part of the summer spores. Most summer spores produce only one germinating tube, which forms appressorium at the top of the germ tube.
2018-09-10 -
How does peanut sheath blight occur? How to prevent and cure?
How does peanut sheath blight occur? How to prevent and cure? (1) incidence regularity: peanut sheath blight is a disease caused by basidiomycetes. The young hyphae are colorless and yellowish brown when mature; they are branched, constricted obviously at the branches, and there is a septum not far from the branches. The hyphae on the surface of the diseased tissue can form sclerotia, sclerotia table.
2018-09-10 -
Main Technical points of fertilization for Peanut
How do peanuts perform when they are short of evidence? How to prevent and cure? The main results are as follows: (1) the characteristics of deficiency: when peanut is deficient in aluminum, the plant is short and the leaves are small and thin, showing yellowish green, which is the same as the typical symptoms of nitrogen deficiency. If the above symptoms occur when the nitrogen nutrition is sufficient, the problem of steel deficiency should be taken into account. (2) Prevention and control measures: potassium lead acid.
2018-09-10 -
How to control underground pests by planting sunflowers?
How to control underground pests when growing sunflowers? The main underground pests of sunflower are mole cricket, grub, ground tiger, golden needle worm and other underground pests. The control measures are as follows. (1) Agricultural prevention and control. ① uprooted weeds in the field and buried or transported weeds in time before sunflower emergence or during the peak period of 1st and 2nd instar larvae.
2018-09-10 -
What is there to pay attention to growing sunflowers?
What do you need to pay attention to growing sunflowers? There are ten points to pay attention to when planting sunflowers: first, rotation should be reasonable and stubble should be selected. Sunflower is not suitable for continuous cropping or planting in low-lying land prone to waterlogging, and the selection of previous crop is not strict. Except sugar beet and deep-root forage, other crops can be used as the first crop of sunflower.
2018-09-10 -
How to grow sunflowers in the basin?
How to grow sunflowers in the basin? Sunflowers used for potted plants have a short growth period and can blossom in about 50 days. At the same time, ornamental sunflowers suitable for potted plants, such as' vigor', 'Happy Dwarf', 'Beibei Bear' and 'Golden Monica', have more branches and can produce many fresh flowers one after another.
2018-09-10 -
How to soak seeds and accelerate sprouting of hybrid rice?
Netizens in Guangxi left a message: Rice seedlings are about to be raised, how to soak the seeds to promote sprouting? Now is the spring production season, a small number of farmers due to soaking seeds in the process of accelerating germination, due to improper operation caused seed acid odor, bad germination and other problems. Therefore, when soaking seeds to promote budding, we should pay attention to: 1.
2018-09-10 -
How to grow sunflowers with high yield?
Some netizens called: now my hometown is planting sunflowers in a large area for rural tourism, but the local sunflowers have no experience. How can we grow good-looking and high-yielding sunflowers? Answer: sunflower to obtain high benefit from several aspects: a. Land selection and soil preparation of sunflower is not very strict with the previous requirements, except sugar beet.
2018-09-10 -
Integrated Control of Peanut Fusarium Wilt covered with plastic Film in early Spring
Peanut wilt includes many diseases, such as blight, root rot, white silk disease, stem rot and so on, which seriously affect the production of peanut covered with plastic film in early spring. First, the common characteristics of the disease are that the stems or leaves of peanuts wither and become discolored and necrotic. The disease is serious in general continuous cropping land and poor soil quality land, rotation cropping land and fertilizer.
2018-09-10 -
What is the benefit of organic fertilizer to the growth and development of peanut?
What is peanut inverted seedling disease? Peanut inverted seedling disease is also called peanut stem rot and foot rot. The injured cotyledons were dark brown before the seedlings were unearthed. The pathogen invaded the base of the plant stem along the cotyledon petiole, producing yellow spots at first, and then turning brown. The development of the disease spot causes the stem base tissue to rot. When the spot expands around the base of the stem, the ground wilts.
2018-09-10