INTEGRATED WEED MANAGEMENT IN MANGO

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INTEGRATED WEED MANAGEMENT IN MANGO
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INTRODUCTION
Mango (Magifera indica L.) occupies major
area under fruits in the country. It is
adaptable to a wide range of soil and climatic
conditions provided severe and recurring frosts
in winter do not endanger the young trees (Anon.,
1980). There are numbers of varieties grown
in India and some are of export quality.
Veneer grafting and stone grafting are found to
be the best method for mango propagation.
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INTEGRATED WEED MANAGEMENT IN MANGO

• The major monocot weeds that occur in mango
  orchards are Cynodon dactylon and Cyperus
  rotundus and dicot weeds are Bidens pilosa,
  Tridax procumbens and Phyllanthus
  maderaspatensis.

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INTEGRATED WEED MANAGEMENT IN MANGO
Weed management methods

• Hand weeding
• Mechanical method
• Cover cropping
• Chemical control

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INTEGRATED WEED MANAGEMENT IN MANGO

• Hand weeding
• Usually, manual method of weed control is adopted
  at this time due to young nature of mango plants
  by employing women labour.

• They use small hand tools (khoorpi) for removing
  weeds in basins and between rows of plants.

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INTEGRATED WEED MANAGEMENT IN MANGO
Mechanical method

• When the orchards comes of age, i.e., between 8
  and 10 years, mechanical method of weeding by
  using bullock drawn implements or motor un
  tractors and tillers with special weeding tools
  attachments are employed for effective weed
  control.

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Mechanical method

• The type and nature of tools used in mechanical
  method depend upon the row spacing adopted for
  orchard.

• And in an average type of mango orchard, three
  to four ploughing (machine or bullock drawn) are
  enough in a year.

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INTEGRATED WEED MANAGEMENT IN MANGO

• Cover cropping
• Cover cropping is another practice followed in
  mango orchard to suppress the growth of weeds, to
  bring additional income to the grower until the
  trees begin to bear and improve the health of
  trees if the intercrops grown are of right type.
• The recommended intercrops in mango orchards for
  summer season are bottle gourd, bitter gourd,
  onion, chilies, cowpea, black gram and green
  gram.
• For winter season, the intercrops suggested are
  peas, turnip, cauliflower, carrot, radish and
  gram.

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INTEGRATED WEED MANAGEMENT IN MANGO
Chemical control
Herbicides have been used to some extent in mango
to control weeds. Application of paraquat (3.0kg
a.i./ha) give good control of weeds in mango or
diuron as pre emergent treatment at 6.67 and 8.9
kg/ha.
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Chemical control

• Bromacil and dalapon were also effective for
  controlling dicot and monocot weeds respectively.
• One spray of atrazine or diuron at 2.0 kg a.i./ha
  as pre emergent treatment to soil and one spray
  of paraquat as post emergent spray on weeds at
  3.0kg a.i./ha effective for controlling both
  monocot and dicot weeds in one to five years old
  mango orchard.

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