Brinjal

Weed Management

Introduction

Common weeds

Control methods

Introduction

A broad spectrum of grassy (monocot) and broad leaf (dicot) weeds interfere with crop growth.
The critical period of weed competition is the first 30 days of crop growth.
Weeds reduce crop yield and production efficiency.
Hampers intercultural operations
Weeds reduce crop quality
Weeds harbour insect pest and disease.
Flow of water in channels and field is obstructed.
Increase cost of cultivation.
Allelopathic effect on crops.
Competition for light, nutrient, space and water.
Yield loss has been reported to be about 30-50 per cent.

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Common Weeds in Brinjal Fields

Common Name	Botnnical Name
Grasses
1. Kunjampul	Chloris barbata
2. Arugampul (Hariali grass)	Cynodon dactylon
3. Mathangipul	Dactyloctenium aegyptium
4. Arisipul	Digitaria sanguinalis
5. Ingipul	Panicum repens
Sedges
1.Nutgrass (Korai)	Cyprus rotundus
Dicot weeds
1. Kuppaimeni	Acalypha indica
2. Kuppaikerai	Amaranthus viridis
3. Aduthinna palai	Aristolochia bracteata
4. Oomathai	Datura fastuosa
5. Nai thulasi	Ocimum canum
6. Congress weed	Parthenium hysterophorus
7. Saranai	Trianthema portulocastrum
8. Nerungi	Tribulus terrestris
9. Verrukayapoondu	Tridax procumbens

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Weed Control Methods

Cultural and physical methods

Summer ploughing
Proper crop stand
Intercropping
Crop rotation
Solarisation
Burning the crop residues and weeds
Mulching

Manual Weeding

Remove the weeds by hoeing on 30^th day of planting and earthing up.
Depending upon the need, hoeing should be repeated once in a month.

Biological methods

Allow cattle for grazing during the lean period.

Chemical methods The herbicide recommendation for brinjal is given in table.

Herbicide	Dose(kg ai/ha)	Commercial product	Dose (l/ha)	Time of application
Herbicide	Dose(kg ai/ha)	Commercial product	Dose (l/ha)	Time of application
Fluchloralin	1.00	Basalin 48 EC	2.00	Pre-plant incorporation
Pendimethalin	1.00	Stomp 30 EC	2.50	Pre-emergence
Butachlor	1.50	Machete 50 EC	3.00	Pre-emergence

The herbicidal application should be done when there is sufficient moisture in soil.

Precautions

Soil should be moist when herbicide is applied.
Do not walk or trample over herbicide sprayed plots because the weeds in watered areas may not be covered properly by herbicide and the effect will be rescued.

Benefits of herbicide use

Early weed control.
Herbicide application keeps the field free from weeds upto 30 days.
Controls weeds without any injury to the crop.
Controls many uncontrollable weeds.
Useful in labour scarce areas.

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Tamilnadu

Brinjal

About Brinjal

History

Morphology

Brinjal Management

Services Overview

The key services offered by Ikisan are:

System study, design and development of IT enabled solutions and services for the agri sector.

Execution of rural IT enabled projects on BOT/BOOT/Turnkey basis.

Development, Customization and Deployment of Ikisan's IPR protected software applications.

Providing support services and best management practices for augmenting the marketing development efforts of the groups agricultural input companies (NFCL and NACL).

Development and Dissemination of best practice and information though a unique multi lingual knowledge website for the agri sector.

Some of the key customers/partners that benefit significantly from our work include are Electronics Corporation of India Ltd, State Agricultural Marketing Boards, Central Research Institute for Dryland Agriculture, Tamilnadu, Centre for Development of Advanced Computing, Motorola Mobility (GOOGLE) etc.

As highlighted earlier Ikisan provides significant support to the market development and marketing efforts of NFCL and NACL by providing best practices and information across the agricultural input value chain - weather, soil, seeds, fertilizers, water, pesticides, output prices etc. that have enabled the companies to develop deep customer relationships and in turn enable them to grow above market growth rates. Recently example in fertilizers includes the development of Customized Fertilizer Grades (for NFCL across India that are crop and location specific have not only reduced the current consumption of fertilizers of farmers but have significantly enhanced crop yields and farmer incomes) that are expected to add significant revenues to the company.

Currently, agriculture value chain is driven by technical expertise. However, there is a lack of adequate Management knowledge and skills amongst the professionals. Therefore, Ikisan and XLRI, Jamshedpur have jointly developed an Agri Business Management Program for Agri-professionals and students. Ikisan provides the domain expertise while XLRI provides pedagogy. This program is a combination of virtual learning and campus based module at XLRI, Jamshedpur. This program has been highly appreciated.

Intellectual Property Rights for many software applications such as Field Manager, Vyapar, Mandi, Quick Solutions Systems, Management Time Table, Agri Information System and Agrecommerz belong to Ikisan. A significant recent development in this area is the introduction of Weather Based Crop Insurance. This entails setting up of Automatic Weather Stations, which provide dynamic village-level data essential for settlement of weather based insurance claims.