Identification and control of stem and fruit borer in okra crop

Identification and control of stem and fruit borer in okra crop

Symptom: The outbreak of this kit is maximum. In the initial stage, its caterpillar makes a hole in the soft stem, due to which the stem and top part of the plant dry up. Due to its attack, flowers fall before. After this, by making a hole in the fruit, it enters inside and eats the pulp. Due to this, the infected fruits get twisted and fruits are not fit for eating, due to which there is a lot of decline in market prices.

Control: To control this pest, spray Lamnova (Lambda-Cyhalothrin 04.90% CS) 120 ml per acre mixed with 200 liters of water or Cover (Chlorantraniliprole 18.50% SC) 50 ml per acre mixed with 200 liters of water.

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Causes and control of tomato fruit cracking

Causes and control of tomato fruit cracking

The problem of fruit cracking is increasing in tomato cultivation. This problem is more at the time of ripening of fruits. It is becoming difficult for farmers to get rid of this problem due to a lack of proper knowledge about the cause of fruit cracking and its control. Torn fruits are also not sold in the market. Due to this, the farmers suffer huge losses.

Reasons for cracking tomato fruits

  • Not irrigating at the right time

  • Due to lack of boron

  • Due to changes in temperature

  • Use of excessive amounts of nitrogen at the time of flowering.

  • Potash deficiency also causes this problem.

Ways to prevent tomato fruits from cracking

  • Irrigate at a fixed interval to maintain moisture in the soil.

  • To compensate for Boron deficiency, apply 3 to 4 kg of Borax per acre in the field.

  • Reduce the use of urea after flowering in plants. Use water-soluble NPK 19:19:19 fertilizer instead of urea.

  • Before transplanting the plants, add potash to the main field. This will complete the deficiency of potash in the plants and it will increase immunity.

  • Use 2 grams of Boron 20% per litre of water mixed with sticker.

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Let us know the Benefits of soil Testing

Sample Collection Method for Soil Testing
  • By conducting a soil test, along with the nutrients present in the soil, the number of salts can also be obtained.

  • Nutrients that are deficient can be replenished, crops can be selected according to the nutrients present in the soil and good yields can be obtained, the fertilizer capacity of the soil can be increased.

  • A soil test gives information about the pH level of the soil.

  • A soil test gives information about 12 types of nutrients found in the soil, The cost of cultivation can be reduced

  • A soil test must be done once every 3 years.

  • Due to this, the right amount of fertilizer or manure to be applied to the crop is decided. Farmers can reduce the additional cost by good management of fertilizers in their crops.

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Precautions while taking sample for soil test

Precautions while taking sample for soil test
  • The soil sample should be taken in such a way that it is representative of the soil of the entire field. For this 500-gram sample to be taken. Use clean tools and put them in a clean bag to avoid contaminating the soil sample.

  • Do not use any bag which has been used for fertilizers and other chemicals.

  • Send the soil sample to Gramophone’s laboratory about one month before sowing, so that soil test reports can be received on time And accordingly, fertilizers and soil reformers can be used.

  • Do not take samples immediately from the field where compost, manure, lime, gypsum and any other soil reformers have been applied.

  • Do not use metal tools or utensils as they contain iron, zinc and copper. As far as possible, use plastic or wooden tools.

  • In the field, do not take samples from the place where water remains for a long time.

  • Sampling should not be done near irrigation channels, under trees or around manure piles.

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Control of leaf minor pest in bitter gourd crop

Control of leaf minor pest in bitter gourd crop
  • Pest Identification: The tiny maggot insects are very small, legless, and yellow in colour and adult insects are light yellow in colour.

  • Symptoms of Damage: Symptoms of its damage first appear on the leaves. The larvae of this insect enter the leaves and make tunnels by eating the green matter. Due to this white spiral stripes appear on the leaves.

  • The affected plant bears less fruit and leaves fall prematurely. Plant growth stops and plants remain small.

  • Due to the attack of this insect, the photosynthesis of plants is also affected.

  • Control: To control this pest, spray Abamectin 1.9% EC [Abacin] @ 150 ml or Spinosad 45% SC [Tracer] @ 60 ml or Cyantraniliprole 10.26% OD [Benevia] @ 250 ml per acre.

  • As a biological treatment, spray Beauveria bassiana [Bave curb] @ 500 gm/acre.

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Save Zayed Moong crop from the outbreak of weeds in this way

Weed management in summer moong

Failure to control weeds in moong crop at the right time can result in reduction of crop yield by 40-60%. In Kharif season crops, narrow leaf weeds such as Sanwa (Echinochloa colonum/Krasgali), Doob grass (Cynodon dactylon) and broad leafed Patharchatta (Tryanthma monogynae), Kanakwa (Commelina benghalensis), Mahkuwa (Ageratum conyzoides), Safed Murg ( Celosia argentea), Hazardana (Phyllanthus niruri), Lahsua (Digera arvensis) and Motha (Cypress rotundus, Cypress eria) etc., emerge in abundance. The critical stage of crop-weed competition lasts for the first 30 to 35 days in moong, so the first weeding should be done on 15-20 days and the second on 35-40 days. This work can be done easily by a device called wheel hoe in the crop sown in row. Apart from this, effective control can also be done by chemical weedicide. Always use a flat fan nozzle for spraying weedicide. And for spraying per acre, use 200 liters of water.

Some major weedicides: 

  • Dost Super @ 700 ml/acre (sprayed within 3 days of sowing)

  • Weed Block @ 300 ml/acre (15 – 20 days after sowing)

  • Targa Super @ 400 ml/acre (15-20 days after sowing – narrow leaf weed control)

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Do these agricultural work in empty fields in summer

Do these agricultural work in empty fields in summer
  • After harvesting Rabi crops, deep ploughing, soil solarization, soil testing etc. is very beneficial in the summer season when the field remains empty.

  • Deep ploughing – To get a higher yield from the next crop, it is beneficial to keep the field vacant during the summer season by doing deep ploughing immediately after harvesting of Rabi crop. Summer ploughing is done from April to June, as far as possible, farmers should do summer ploughing with a cultivator/ plough immediately after harvesting of Rabi crop.

  • Soil solarization- For this, spread a sheet of polythene on the surface of the soil. Due to this, the temperature under the layer increases greatly due to the heat of the soil, due to which the germs of diseases, unnecessary seeds, eggs of insects and moths, etc., are all destroyed. For soil solarization, the best time is from 15 April to 15 May. 

  • Soil test- After harvesting the soil must be tested. Soil testing determines soil pH, electrical conductivity, organic carbon as well as deficiencies of major and micronutrients that can be improved over time.

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Destroy the eggs of white grub in the summer season like this

Destroy the eggs of white grub in the summer season like this
  • White grubs as the name suggests are white-coloured insects that live as a grub in a field whose dormancy period is in the winter.

  • They initially damage chilli plant roots. 

  • Symptoms of white grub include a complete withering of the plant or stunting of the growth of the plant resulting in the plant dying.

  • Usually, this pest should be controlled in the month of June and in the early week of July.  

  • For this, do deep ploughing in summer, use Metarhizium culture [kalichakra] @ 2 kg along with FYM @ 50-75 kg per acre for control of white grub.

  • But if an infestation of white grub is visible even in the immature stage of the crop, then chemical treatment can also be done to control this pest.

  • But if an infestation of white grub is visible even in the immature stage of the crop, then chemical treatment can also be done to control this pest.

  • As a soil application Use  FENPROPATHRIN 10% EC [DANITOL] @ 500 ml, CLOTHIANIDIN  50.00% WG [DANTOTSU] @ 100 gm or CHLORPYRIFOS 20 % EC [TRICEL] @ 1 litre/ acre.

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Mites infestation in cucurbitaceous crops

Mites infestation in cucurbitaceous crops
  • Mites are small and coloured insects that are found in large quantities on soft parts of cucurbitaceous crops such as leaves, flower buds, and twigs.

  • Webs can be seen on bitter gourds infested with mites. 

  • This insect sucks the tender parts of the plant, weakens them and in the end, the plant dies.

  • Chemical management:- Propargite 57% Ec [Omite] @ 400 ml/acre or Spiromesifen 22.9% SC [Oberon] @ 200 ml/acre  or Abamectin 1.9 % EC [Abacin] @ 150 ml/acre 

  • Biological management:- Use Metarhizium Anisopliae @ 1 kg/acre.

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Soil health management is also necessary for polyhouse crops

Soil health management is also necessary for polyhouse crops
  • In the polyhouse/greenhouse, different types of fertilizers are used continuously for good yield of crops throughout the year.

  • Because of this, the health of the polyhouse soil starts deteriorating within 3-4 years. In spite of good seeds, proper nutrients and all the precautions, there has been a drastic reduction in the yield and quality of the crop. 

  • Therefore, it is necessary that in order to do scientific farming, farmers should constantly examine the health of the soil and maintain complete information about it.

  • Correct sampling is very important for soil testing.

  • The sample is taken from different locations inside the playhouse/greenhouse. Then it is mixed well and divided into four parts.

  • Repeat this process until the remaining sample weighs half a kilogram.

  • The samples obtained in this way are sent to the testing centre. And according to the report farm fertilizer is used.

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