Critical stage of irrigation in Potato

  • Keeping a potato crop at optimum moisture levels for the duration of the season requires a high degree of management.
  • There are certain stages of growth where water management is more critical:
  • 1) Emergence Stage
  • 2) Tuber set Stage
  • 3) Bulking up Stage
  • 4) Final crop Stage
  • 5) Pre-harvest irrigation Stage.

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Sowing time, Planting and Seed Rate of Garlic

  • Cloves are sown in September-November in central India.
  • The selection of cloves is important for garlic planting.
  • Individual cloves from seed garlic bulbs should be separated but not long before planting.
  • Twist off the outer skins and take the cloves apart without breaking the basal plate of the cloves, as that makes them unusable for planting.
  • With hardneck garlic, the remainder of the stem acts as a handy lever for separating the cloves.
  • Big cloves (>1.5g) should be selected for planting. Small, diseased and damaged cloves should be rejected.
  • The seed rate for garlic is 160-200 kg/acre.
  • Selected cloves should be planted vertically 2 cm below the soil surface with the plant to plant spacing of 10 cm and row to row spacing of 15 cm.

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Prevention of Fusarium Wilt in Gram

Control of Fusarium Wilt in Gram:- Wilt in chickpea (Gram) caused by Fusarium oxysporum fungi. A warm and humid environment is favorable for it. the prevention of the disease, the following precautions have to be taken.

  • Conserved soil moisture during Monsoon.
  • Level up after deep plowing (6-7 inches).
  • Use disease-free seed.
  • Follow 6-year crop rotations.
  • Grow resistant varieties.
  • Seed treatment with Carboxin 37.%+ Thiram 37.5% @ 2 gm /kg or Trichoderma viride @ 5 gm/kg.
  • Avoid sowing when the temperature is high. Sown in the second and third weeks of October.
  • Irrigation in November-December.
  • Apply Mycorrhiza @ 4 kg/acre at 15 days after sowing.
  • Spraying Thiaphanate methyl 75% WP @ 300 gm/acre at before flowering.
  • Spraying Propiconazole 25% EC @ 125 ml/acre at pod formation stage.

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Field preparation of Potato crop

Fertilizer at the time of field preparation

  • SSP @ 80 kg/acre.
  • DAP @ 40 kg/acre.
  • Urea @ 20 Kg/acre.
  • Potash @ 50 kg/acre.

At the time of sowing

  • Sea weed @ 8 kg/ acre.
  • Sulphur 90 %WDG (Cosawet) 5 kg/acre.
  • Fipronil GR  (Fax Gr/Harina gr) @ 8 kg/acre.
  • Consertia of NPK Bacteria @ 3-4 kg/ acre.
  • ZnSB @ 4 kg/acre.

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Damping off disease in Onion

  • High soil moisture and moderate temperature along with high humidity, especially in the rainy season led to the development of the disease.  
  • Pre-emergence damping off results in seed and seedling rot before these emerge out of the soil.  
  • Post-emergence damping-off results in pathogen attack the collar region of seedlings on the surface of the soil.  
  • The collar portion rots and ultimately the seedling collapse and die. 
  • Healthy seeds should be selected for sowing.
  • Spray of Carbendazim 12% + Mancozeb 63% or Thiaphanate methyl 70% WP @ 50 gm/Pump. 

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Seed rate of onion crop

  • 3-4 kg seed is sufficient for raising seedlings for one acre, accommodating 40-44 beds of 3m X 0.6m size each.
  • For broadcasting directly in the field or sowing in the rows, 6-8 kg seeds are enough for an acre.
  • For multiplier onions, 4-5 quintal bulblets are required for planting one acre.

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How to Control Downy Mildew in Cauliflower:-

  • Proper water management so that there is no excess moisture on the soil surface.
  • Saaf (Carbendazim 12% + Mancozeb 63% WP) @ 300-400 gm/acre or
  • Ridomil gold (Metalaxyl 4%+ Mancozeb 64% WP) @ 300-400 gm/acre.
  • Amistar (Azoxystrobin 23%Sc) @ 200 ml/acre.
  • Netivo (Tebuconazole50%+Trifloxystrobin 25%WG) can be sprayed @120 gm/acre.
  • Follow the crop cycle and keep the field clean.

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What’s the Symptoms of Downy Mildew in Cauliflower:-

  • The stem shows dark brown, depressed lesions which later develop downy growth of the fungus.
  • On leaves, purplish-brown spots appear on the under surface followed by the appearance of downy growth on such lesions.
  • It causes damage to curd, producing curd-rot.

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Management of Bacterial leaf spot in chilli

  • Field sanitation is important. Also, seeds must be obtained from disease-free plants.
  • The nursery should be raised on the soil where chilies were not grown for several years.
  • Spray of Streptomycin Sulphate IP 90%W/W+Tetracycline Hydrochloride IP 10%W/W @ 20 gm per acre OR
  • Kasugamycin 3% SL @ 30 ml per acre OR
  • Kasugamycin 5% + Copper Oxychloride 45% WP @ 250 gm per acre.

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symptoms of Bacterial leaf spot in chilli

  • The leaves exhibit small, circular or irregular, dark brown or black greasy spots. As the spots enlarge in size, the center becomes lighter surrounded by a dark band of tissue.
  • The spots coalesce to form irregular lesions. Severely affected leaves become chlorotic and fall off. Petioles and stems are also affected.
  • Stem infection leads to the formation of cankerous growth and wilting of branches. On the fruits, round, raised water-soaked spots with a pale yellow border are produced.
  • The spots turn brown developing a depression in the center wherein shiny droplets of bacterial ooze may be observed. 

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