Control of Red Spider Mites in Okra

11/08/2018Posted on

Control of Red Spider Mites in Okra:-

  • Nymphs and adults suck cell sap and white patches appear on leaves.
  • Affected leaves become mottled, turn brown and fall.
  • Low relative humidity favours mite multiplication.
  • Mites are found in colonies covered by white-silky webs on lower surface of leaves.

Control:-

  • Acaricides like Sulphur 80% WP@ 3 Gm per litre of water gives effective control of mites.
  • Twice spraying of Propargite 57% EC @ 400 ml/Acre in 7 days interval helps in controlling the pest in initial stage .
  • Collection and burning of severely infested plant parts reduces further multiplication of mites.
  • Proper irrigation and clean cultivation are essential to control the pest population.

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Suitable climate for pea cultivation

10/08/2018Posted on

Suitable climate for pea cultivation:-

  • Garden Pea is widely grown in different seasons under varied agro climate conditions.
  • It requires cold and dry climate while longer cold  spell increases its yield.
  • Temperature of 15-25 °C is favorable for its cultivation.

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Control Of Downy Mildew in Cauliflower

08/08/2018Posted on

Control 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 appearance of downy growth on such lesions.
  • It causes damage to curd, producing curd-rot.

Control:-

  • Give hot water treatment to seed at 50°C for 30 min with Thiram(0.3%).
  • Remove the diseased portions of the curd and apply copper oxychloride 50% WP @ 3 Gm/ litre to the cut surface.
  • Spray the crop with Mancozeb 75% WP@ 400 Gm/Acre at 10-15 days intervals, first spray be given on the appearance of symptoms.
  • Follow crop rotation and sanitation practices.

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Intercultural Practices in Cucumber

06/08/2018Posted on

Intercultural Practices in Cucumber:-

  • The cucumber plant is a shallow rooted crop and  no deep intercultural operations are required.
  • Earthing up is essential to cover the roots  properly especially in rainy season crop.
  • Prune all secondary shoots up to 5 nodes, to  improve yield & fruit quality.
  • Staking of plant in rainy season is helpful in  checking the rotting of fruits.

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Season of Planting of Cabbage

06/08/2018Posted on

Season of Planting of Cabbage:-

  • Sowing time depends upon the variety and the agro-climatic  conditions prevailing in a particular region.
  • Early season varieties seeds are sown during may  to June.
  • Mid season varieties seeds are sown during last  week of June to July.
  • Mid late season variety seeds are sown during  August .
  • Late  season variety seeds are sown during September to October.

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Disease Free Nursery Raising For Tomato

03/08/2018Posted on

Disease Free Nursery Raising For Tomato:-

  • Healthy seed should be selected for sowing.
  • The seed should be treated with recommended fungicide before sowing.
  • Continuous raising of nursery in the same plot should be avoided.
  • The top soil of nursery should be treated with carbendazim @ 5 gm/square m. are of the soil and nursery should be drenched with carbendazim @ 2gm/litre of water at fortnightly interval.
  • Soil solarization by spreading 250 gauge polythene sheet over the bed for 30 days before sowing in summer season should be done.
  • Application of bio-control agent tricoderma viride in soil @ 1.2 kg/ha is also found effective to control damping-off to considerable extent.

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Control of Fruit fly in Sponge Gourd

31/07/2018Posted on

Fruit fly in Sponge Gourd:-

  • The maggot burrow in to the fruits and suck the sap.
  • Infested fruit decay and drop.
  • The fly mainly prefers tender fruits for egg laying.
  • Ovipositional punctures caused by adults also cause injury on fruits and fruit juice oozes out.
  • This also results in distorted and malformed.
  • The maggots feed on the pulp of fruits as well as on the immature seeds and cause premature dropping of fruits.

Control:-

  • Collected and destroy infected fruits.
  • To prevent egg laying fly traps (Pheromons traps) can be set up in the yield with 1%methyl Engenol or Cintronella oil or vinegar or dextrose or Acetic acid or laetic acid.
  • Cover developing fruits with paper or polythene cover immediately after anthesis pollination.
  • Maize plants grown in rows at a distance of 8-10 cm in sponge gourd field is effective as flies rest on such tall plants.
  • Soil incorporation of cabaryl 10% dust can be made in fruit fly endemic areas.
  • Spraying of Dichlorovas @3ml/lit of water at fortnightly intervals.
  • Deep ploughing to expose hibernating stages.

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Management of Chilli Thrips

30/07/2018Posted on

Management of Chilli thrips

Symptoms:-

  • The infested leaves develop crinkles and curl upwards.
  • Elongated petiole.
  • Buds become brittle and drop down.
  • Early stage, infestation leads to stunted growth and flower production, fruit set are arrested.
Management:-

  • Do not grow chilli after sorghum.
  • Do not follow chilli and onion mixed crop.
  • Sprinkle water over the seedlings to check the multiplication of thrips.
  • Treat seeds with imidacloprid 70% WS @ 12 g/kg of seed.
  • Apply carbofuran 3% G @ 33 kg/ha or phorate 10 % G  @ 10 kg/ha or
  • Spray any one of the following insecticide.

 

             Insecticide Dose
Imidacloprid 17.8 % SL 100 ml/acre.
Dimethoate 30 % EC 300 ml/acre.
Emamectin benzoate 5 % SG 100 gm/acre
Profanofos 50% E.C. 500 ml/acre
Fipronil 5 % SC 500 ml/acre.
Spinosad 45 % SC 70 ml/acre.

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Control of Gram pod borer in Soybean

30/07/2018Posted on

Control of Gram pod borer in Soybean

Symptoms of damage:-

  • The young larvae feeds on the chlorophyll of young leaves and skeletonize it.
  • They feed voraciously on the foliage in early stage,may defoliate the plant and later they feed on flowers and pods.

Management:-

  • Deep summer ploughing
  • Install pheromone traps at a distance of 50 Meter @ 5 traps/ha for each insect pest.
  • Clip terminal shoots on 100 days of crop growth.
  • Spray with Chloropirifos 20% EC @ 750 ml/acre or Quinolphos 25% EC @ 250 ml/acre
  • Spray Deltamethrin 2.8% EC @ 250 ml/acre or Flubendiamide 20% WG @ 100 gm/acre

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Contro of Diamondback Moth (DBM) in Cabbage

28/07/2018Posted on

Contro of Diamondback Moth (DBM) in Cabbage:-

Identification

  • Eggs are yellowish-white with greenish tings.
  • The caterpillars are 7-12 mm in length, pale yellowish green in colour with fine erect back hair scattered all over the body.
  • Adults are 8-10mm long greyish-brown in colour having pale whitish narrow wing inner yellow margins.
  • The adult female lays eggs on the leaves either singly or in groups.
  • White markings along the back of the fore wings which when folded from a diamond shaped pattern in adult diamond back moth.

Damage

  • Small slender green caterpillars on emergence feed on the leafs epidemics and later make holes in the leaves.
  • Severely affected leaves are completely skletonised.

Control

  • For the prevention of diamond back moth, bold mustard should be sown in 2 lines after every 25 lines of cabbage/Cauliflower.
  • Spray the crop with Profenofos 50% EC (3 ml/lit) or Spinosad 25% SC (0.5 Ml/litre ) or Indoxacarb (1.5 Ml/Litre) of water at fortnight intervals starting from 25 days after transplanting to control the pest.

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