February 2019 – Page 4

Boron deficiency symptoms and control in watermelon

Young leaves are smaller than normal and may be curled.
Yellowing proceeds from the marginal area between the veins towards the center.
The youngest leaves show necrotic tips.
Stems can crack due to the low cell strength.
Plants are stunted or dwarfed as the internodes are shortened.
Growing points die back.
Flowering and fruit set is poor.
Fruits are distorted with a poor skin finish.
Hollow heart is more common.
Deficiencies usually occur when soil moisture contents are too high, or under conditions of high pH.

Control :-

Like and share with other farmers by clicking on button below.

The affected plants have to be uprooted and destroyed to prevent the spread of the disease.
For effective control of aphid fortnightly spray of acephate 75 % SP @ 300- 400 gm / acre or Imidacloprid 17.8% SL @100 ml /acre or acetamiprid 20% SP @ 150-200 gm/ acre.

Like and share with other farmers by clicking on button below

Like and share with other farmers by clicking on button below.

If it takes six to eight leaves on the plant, make a solution of 1 ml of 0.25-1 ml of 10 liters of ethylene or gibberellic acid and spraying on the vines and flowers will increase the number of female flowers and the number of fruits will be doubled, and this Works for up to 80 days.

Like and share with other farmers by clicking on button below.

The maggot burrows into the fruits and sucks the sap.
Infested fruits decay and drop.
The fly mainly prefers tender fruits for egg laying.
Ovipositional punctures caused by adults also cause injury on fruits and fruit juices oozes out.
Collect and destroy infested fruits.
To prevent egg laying, fly traps(pheromone trap) can be set up in the field with 1% Methyl Eugenol or Citronella oil or Vinegar or Dextrose or Acetic acid or Lactic 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 cucurbit field is effective as flies rest on such tall plants.
Soil incorporation of Carbaryl 10 % dust can be made in fruit fly endemic areas.
Deep ploughing to expose hibernating stages.
spray dichlorvos 76% EC 250 to 500ml /acer

Like and share with other farmers by clicking on button below.

Snake gourd grows very fast and vines elongate rapidly within two weeks after planting.
Staking and trellising will increase fruit yield, size, reduce fruit rot and make spraying and harvesting easier.
The trellis should be 1.2-1.8 meter high constructed from stacks 1.2 -1.8 meter apart.

Like and share with other farmers by clicking on button below.

To make a kharif crop, a deep plowing should be done with soil reversal solution and after 2-3 years after the weeding by cultivating it with a native solution or cultivator, keep the plates in the field and flatten it.
For prevention of termite, the chlorpyriphos 1.5% DP of the powder is 10-15 kg /acre. At the time of preparation of the field should be mixed with soil.
For the cultivation of summer moong, immediately after harvesting rabi crops, the farm should be plucked immediately after 4-5 days.
After plaque, make 2-3 plough and make the farm flat and fried by placing it with a native solution or cultivator. With this, moisture is preserved in it and seeds get good germination.

Like and share with other farmers by clicking on button below.

Neem oils are most effective against small, soft-bodied insects and mites that are immobile or slow-moving such as thrips, aphids, scales, leafhopper nymphs, and whiteflies.
Apply neem cake@ 40 kg/ acre at sowing and after 30 days.
Spray PNSPE (4%) or neem/Pongamia soap ( 8-10 gm/liter of water) at 10 days interval.

Like and share with other farmers by clicking on button below

Like and share with other farmers by clicking on button below

In this disease, there is an infection in all the parts except the root of the plant.
Early symptoms: Yellowness/greenness is seen on the edges of the leaves of the plant, and the surface filled with spots appear.
The wound is formed on the stem of the plant that is infected with this disease, from which the red-brown, black-colored gummy substance is released.
On the string, brown spots become black spots which later go to the wound.
In bottle gourd seeds have medium-brown, dark spots.

Management:-

Choose healthy seeds.
Inspect transplantation and uproot the infected plants and leave the farm out of the field.
On the appearance of illness, immediately spray chlorothalonil 75% WP @ 350gm / acre or tebuconazole 25.9% EC @ 200 ml / acre solution.

Like and share with other farmers by clicking on button below