INTEGRATED WEED MANAGEMENT IN BANANA

Introduction•The banana crop is sensitive to grasses especially in the early stages of their growth compare to herbaceous dicot weeds.

• The major monocot weeds of banana fields are Cyperus rotundus, Cynodon dactylon, Digitaria marginata, and Eleusine aegyptium, and the dicot weed are Euphorbia spp, Polygonum plebejum, Portulaca oleracea, and Mimosa pudica.

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INTEGRATED WEED MANAGEMENT IN BANANA

Weed control methods

• Banana crop has superficial root system and thus heavy machinery for its cultivation must be avoided. •It therefore, becomes imperative to think other methods of weed control for this crop. Hand weeding Mulching Cover cropping Chemical method

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INTEGRATED WEED MANAGEMENT IN BANANA

Hand weeding

•Manual method of weed control by women labour using hand operated tools is the common method of weed control.

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INTEGRATED WEED MANAGEMENT IN BANANA

Mulching

•Mulching appear to be another effective method of weed control.

• Generally, organic mulches like dried leaves and inorganic mulches like black polythene are used.

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INTEGRATED WEED MANAGEMENT IN BANANA

Cover cropping

•Growing cover crops to suppress weeds is also another way of controlling weeds in this crop.

• Inter cropping with ginger, cowpea, colocasia and tapioca in various varieties of banana has been reported.

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INTEGRATED WEED MANAGEMENT IN BANANA

Chemical method•Herbicide has been used to weed control in banana.•In banana good control of both grassy and broad leaf weeds for 4-5 months with there pre-emergent spray of diuron at 2.0 kg a.i./ha. Paraquat at 1.8 kg a.i. /ha was used as a post emergence spray on 6-9 inches tall weeds in banana and control them for two months. •Herbicide application was found to be more economical than hand weeding (6 hand weeding per year were necessary in banana crop.

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REFERENCES

Gupta, O.P. 1998. Weed management - Principles and Practices. Agro Botanical Publishers, Bikaner.

Rao, V.S.1994. Principles of Weed Science. Oxford and IBH Publishing Co. Pvt. Ltd., New Delhi.

Subramanian, S., A.Mohamed Ali and R.Jayakumar. 1997. All about weed control. Kalyani Publishers, New Delhi.

C. Chinnusamy, N.K. Prabhakaran P. Janaki K. Govindarajan. 2009. Compendium on Weed Science Research in Tamil Nadu (25 years). AICPR-WC, Department of Agronomy, TNAU, Coimbatore - 641 003

K. A.A. Kabeer and V.J. Nair. 2009. Flora of Tamil Nadu- Grasses. Botanical Survey of India, Kolkatta.

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ASSESSMENT

------------ is the major monocot weed of banana.

a. C.rotandus b. Euphorbia geniculata c. E. hirta.

What is major intercropping cultivating for banana --------

a.Ginger b.turmeric c. onion To control the grassy weeds which chemical

is used. a. Diuron2.0kg b.Diuron 2g c.Diuron 200g

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