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Pinching is an important process to get a good quality yield in watermelon and muskmelon crops.
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To prevent the overgrowth of vines and for the good development of fruits, the process of pinching is done in the vines.
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In this process, when the vine bears enough fruits, the tops of the vines are plucked, as a result, the vegetative growth of the vines stops.
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By stopping the growth of the vines, the size and quality of the fruits are improved.
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If there is more fruit on a vine, then remove the small and weak fruits so that the main fruit gets better.
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By removing unnecessary branches, watermelon and muskmelon fruits get complete nutrition and they grow quickly.
Rain will occur in some states including Madhya Pradesh, heat will increase in North India
Now severe heat will knock again in North India as well as Central and Western India. Temperatures will increase rapidly in Punjab, Haryana, Delhi, West Madhya Pradesh, Rajasthan, Gujarat and Maharashtra and heat wave-like conditions may develop. Light rain will start in eastern Madhya Pradesh and Chhattisgarh from March 19. There is a possibility of rain in eastern Uttar Pradesh, Bihar, Jharkhand, West Bengal, Odisha, Chhattisgarh, North Telangana, Vidarbha and East Madhya Pradesh between March 20 and 23. Also, clouds may rain in Andhra Pradesh and Tamil Nadu. Temperatures will increase rapidly in one part of the country, while rain in the other part will make the weather cool.
Source: Skymet Weather
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Symptoms and control of jassids in okra crop
These insects are greenish-yellow. Its infants and adults suck the sap by staying on the lower surface of the leaves. Its outbreak occurs from March to September. The leaves turn yellow due to the sucking of the sap, and the edges turn upwards to form a cup. On heavy infestation, the leaves burn and wither and dry up.
Control:
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Before sowing the seeds, treat them with Thianova Super (Thiamethoxam 30% FS) @ 5 ml per kg of seed.
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If a problem is observed in standing crops, spray Thianova-25 ( Thiamethoxam 25% WG) @ 80 gm in 150-200 litres of water per acre.
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Symptoms and control of leaf miner in tomato crop
Pest Identification: The adult insect is pale yellow in colour and the very small legless maggot is orange-yellow in colour. Pupation takes place in the tunnel.
Symptom: The nymphs of this insect feed on the green part of the leaves and make crooked white tunnels in them, and a white spiral line appears on the affected leaves. Due to this, the photosynthesis of plants decreases. In case of severe infestation, the leaves dry up and fall down.
Control: Remove and destroy the infected leaves. And for control spray, Tafgor (Dimethoate 30 EC) @ 396 ml/acre or Media (Imidacloprid 17.80 % SL) @ 60 ml/acre followed by Novamaxx (Gibberellic acid 0.001 % L) @ 30 ml per acre after 2 days.
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Relief from heat in Rajasthan, chances of thunderstorms in many states including Madhya Pradesh
The effect of northern cold winds will continue over Punjab, Haryana, Delhi, West Madhya Pradesh, Gujarat, Rajasthan, and North Maharashtra for the next 24 hours and the temperature will drop further. From March 19, rain activities will increase on the eastern coast of India including Madhya Pradesh, Chhattisgarh, Vidarbha, Telangana, Odisha, West Bengal, Jharkhand. Strong winds may also blow along with heavy rains in many states.
Source: Skymet Weather
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This organic insecticide will kill aphids, thrips, jassids
Verticillium lecanii is an organic insecticide based on fungus. Verticillium lecanii is available in formulations of 1% WP, and 1.15% WP. The use of this fungus is beneficial for the prevention of sap-sucking insects like aphids, thrips, jassids, mealybugs etc. in different types of crops.
Verticillium lecanii is a white cotton-like fungus. White fungal growth is visible on the sides of infected insects. The spores of the fungus Verticillium lecanii are somewhat sticky in nature. Due to this, they stick to the upper cover of insects. Chemical fungicide should not be used 15 days before and after the use of Verticillium lecanii Self life of Verticillium lecanii is one year.
Method of use
The quantity of its spraying depends on the crop density and the tree. If there is a repeated outbreak of sucking insects in any crop, then Verticillium lacani should be used at an interval of 15 to 20 days, and in greenhouse crops, it is recommended to use it at an interval of 10 to 15 days.
Verticillium lecanii can be used in combination with neem and other organic insecticides and fungicides, but do not mix it with any chemical fungicide.
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Chances of rain in many states including Madhya Pradesh, Chhattisgarh, Odisha
During the next 24 to 48 hours, due to the effect of northern winds, a drop in temperature will be recorded in Punjab, Haryana, Delhi, Uttar Pradesh, Madhya Pradesh, Rajasthan, Gujarat and Maharashtra. Temperatures will rise again after 2 days. From March 19, there may be rain in Madhya Pradesh, Chhattisgarh, Vidarbha, Telangana, Odisha and Jharkhand including West Bengal. There is also a possibility of light drizzle in and around Delhi around March 20.
Source: Skymet Weather
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Identification of red spider mites in cucurbit crops
It is a microscopic insect which is not visible to the eyes. It sucks the sap from the leaves by sticking to the lower surface of the leaves of the plants. This pest attacks cotton, brinjal, tomato, okra and cucurbit crops. The adult of this insect is red in colour which is elliptical and two spots are found in the upper part of its body. Both their infant and adult stages are harmful. Their presence is known by the web made by them on the lower surface of the leaves.
The hot season of March-April is a favourable time for their outbreak. Due to their microscopic size, they can move from one place to another with the help of wind. In severe infestation, the leaves start drying up and falling down.
Control: Destroy infested leaves and weeds. In severe infestation, spray Tafgor (Dimethoate 30 EC) @ 300 ml per acre or Omite (Propargite 57 EC) @ 200 ml per acre dissolved in 150-200 litres of water on the infested plants.
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Be careful while harvesting watermelon, take care of proper time
Watermelon fruits start to be plucked after 75 to 80 days of sowing. If the fruits are to be sent to a distant market, then harvesting is done early. Depending on the size and colour of the fruits according to each variety, when will the fruit mature? Generally, when ripe fruits are pressed with fingers, there is a sound of dhap-dhap, as well as when the stem starts drying, only then do the fruits become eligible for harvesting. If the portion of the fruit which remains in the soil turns yellow from white, then the fruit is considered ripe. If the fruit squeezes easily when pressed, and does not require much force while pressing, then the fruit is considered ripe. While harvesting the fruit, note that to separate the fruits from the stalk, use a sharp knife. Apart from this, the fruits should be collected in a cold place.
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Disadvantages of burning crop residue after harvesting
Most of the farmers burn and destroy the stubble left after wheat harvesting for early sowing of the second crop, due to which there is a continuous decrease in the amount of fossil material in the fields. The upper surface of the soil becomes hard. The fertility of the soil is destroyed as well as there is a decrease in the amount of carbon. The physical structure of the soil is also affected, and the water-holding capacity is reduced. Due to this, the biodiversity of the soil is almost destroyed, and there is a decrease in biological activities in the soil.
Due to the burning of crop residues, there is also a massive decline in the number of earthworms. Carbon dioxide and nitrous oxide are released by burning crop residues. Which pollutes the atmosphere and the ratio of nitrogen and carbon in the land is affected.
By burning crop residues, the plants on the bunds get burnt, and sometimes the possibility of fire in the villages also increases.
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