Peanut fruit expansion management
Moderator: At the moment, peanuts are in the critical period of pod expansion and maturation. Management during this period of time plays a decisive role in the formation of peanut production in the middle and later stages. Today's Dahan Experimental Field will tell you about this aspect.
Da Kuan: Da Khan Experimental Fields, Baofeng Science and Technology, audience friends Hello, I am big and wide. Today, I once again came to the Peanut Experimental Field in Shaliu Village, Dingzhou City. Before the experimental field was officially started in the experimental field, the villagers took their own nephews to ask questions. What kind of blind man is this?
Farmers in Shaliu Village, Dingzhou City: My sister-in-law has no problems, that is, she has long fruit and a large amount of bad.
Agronomist Li Zangchao: This is a typical heavy aphid disease, peanut white peony disease, after the dumplings to step down and spray pesticides, you can use Rui Miaoqing 4000 times liquid + beneficial micro-bacterial agent 750 times the liquid, an acre 4 sprayer.
Big wide: I think there is something wrong with the peanut leaves that the fellow villagers are holding.
Farmers in Shaliu Village, Dingzhou City: Yes, my family is also very serious.
Da Kuan: Teacher Li, I think this yellow leaf is a symptom of iron deficiency.
Agronomist Li Zangchao: Yes, it is possible to spray 3,000 times of Ruicheng's liquid on the foliage, and 2-3 sprayers per mu.
BIG: Are there any other problems with fellow villagers? Let’s go to the experimental field without them. Teacher Li, how do you see this growth?
Agronomist Li Zangchao: This growth is a bit wang and grows too high. It should be 40-45 cm. It is normal. Therefore, the main purpose of breaking the new tip is to control the promotion and promote the expansion of the fruit.
Farmers in Shaliu Village, Dingzhou City: Can they be cut with a guillotine when hitting the tip?
Agronomist Li Zang Chao: Yes, whether it is a handkerchief or a knife
Farmers in Shaliu Village, Dingzhou City: Do they not need to spray and control Wang's medicine?
Agronomist Li Zangchao: This has to be sprayed, you can spray paclobutrazol 20g + Rui Peilei 5g / sprayer. In addition to the tip, there is a hi-hat.
Da Kuan: Teacher Li, this hi-hat is not like a group of people stepping on it. Do you have to pay attention to a method?
Agronomist Li Zang Chao: Yes, first of all, it's time to be in the sunny hours at 3-4 p.m. At this time the dice is relatively soft. When you step on it, you can step on the middle of your throat. The purpose is to promote the needle into the ground.
Peanut pod expansion management: Peanut pods should have a normal height of about 45 cm, and the trend to prosper should be promptly knocked out, and at the same time spraying 40 grams of paclobutrazol per acre with 10 gram of Rebecca. In order to promote the lowering of the needle, it is necessary to perform the hi-hat on the sunny afternoon at around 4 o'clock in the afternoon, and pay attention to stepping on the middle part of the plant.
BIG: Are there any other jobs during the expansion of peanuts?
Agronomist Li Zangchao: There is another very important thing is to make up the leaves of fertilizer, you can use Biou 15 ml + potassium dihydrogen phosphate 25 g / sprayer, once every 7-10 days, even spray 3-4 times. If there are many young fruit, calcium should be used, you can use 1500 times Ruipei calcium, which is 30 grams per mu, spray twice.
Peasant growers in Shaliu Village, Dingzhou City: Teacher Li, what's wrong with this leaf?
Agronomist Li Zangchao: This is a red spider, and the control of red spiders can use avermectin 800-1000 times or spirolactone (endangered) 4000-5000 times.
Foliar supplement fertilizer: During this period, spraying once every 7-10 days foliar Bi Europe 1000 times + ciba potassium dihydrogen phosphate 600 times, even spray 3-4 times. Calcium can be sprayed twice with 1500 times Riparel Calcium, which can reduce the pods and improve the fruit ripening rate in the later period.
Current cost: paclobutrazol 40 grams per mu 2 yuan Rui Pei Le 10 grams 5 yuan
Biotherm 30ml 10 yuan Ciba Dihydrogen 50g 2.5 yuan
Ruipei calcium 20 grams 6 yuan total 25.5 yuan
Da Kuan: This time the fellow villagers are going to put the captain, fertilizers on the leaves, and the hi-hat work to lay a good foundation for the high yield.
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