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Weeds Biodiversity of Irrigated and Unirrigated Fields of Washim District, Maharashtra, India

 

*Snehal N. Dhawale and A. N. Deore

*Department of Botany, M.S.P. Arts, Science and K.P.T. Commerce College, Manora Dist. Washim (MS)

Department of Botany, S.S.S.K.R.Innani Mahavidyalaya karanja (Lad) Dist. Washim (MS)

 

Abstract

Weeds are undesirable plants that compete with crops for essential resources such as nutrients, water, light, and space, thereby reducing agricultural productivity. Weed management is particularly challenging in species possessing underground rhizomes due to their high regenerative capacity. Although the flora of the Washim district was documented by Deore (2010), no comprehensive weed survey had been undertaken in the region over the past sixteen years. The present study was therefore conducted to update and document the weed diversity of the district.

A systematic field survey was carried out from 2020 to 2025 in irrigated and unirrigated agricultural fields across different talukas of Washim District. A total of 210 weed species belonging to 140 genera and 37 families were recorded. The genus Ipomoea was found to be the most dominant, while Poaceae emerged as the largest family with 38 species. Unirrigated fields were mainly dominated by Parthenium hysterophorus, celosia argentia, Xanthium strumarium, Boerhavia erecta, Euphorbia geniculata, Acalypha spp., and Phyllanthus spp. In contrast, irrigated fields showed dominance of Anagallis arvensis, Dinebra retroflexa, Melilotus alba, Convolvulus arvensis, Digera muricata, Moorochloa eruciformis, Launea procumbens, and Sonchus spp. The study provides updated baseline information on weed diversity that will support effective weed management and future ecological studies in the region.

Keywords:  Agricultural weeds, Floristic survey, Washim District, Poaceae, Weed management

 

 

Introduction

Weeds are establishing themselves in agricultural and non-agricultural habitats where they interfere with crop growth by competing for vital resources, leading to reduced yield and quality. Due to their high ecological adaptability, weeds are able to survive under diverse environmental conditions and are distributed across almost all climatic zones of the world. Among different weed categories, perennial weeds are particularly problematic in agriculture because of their persistence, vegetative reproduction, and ability to regenerate from underground structures such as rhizomes, making their management difficult.

Washim District is located in the eastern part of Maharashtra and covers an area of 5,095 km². The district is predominantly agricultural, with a major portion of the land under cultivation and a smaller area under forest cover. District comprises six talukas: Washim, Malegaon, Risod, Mangrulpir, Karanja, and Manora. The terrain is largely plain, with parts of the Ajanta Hills extending through the northern and central regions. The natural vegetation of the region is mainly dry deciduous forest.

The present study was undertaken to systematically document the weed flora of irrigated and unirrigated agricultural fields of Washim District, Maharashtra.

 

Material and Method

Weed specimens were collected from various localities within the study area, and field observations were recorded at the time of collection. These included habit, habitat, flower colour, fragrance, presence of latex, underground parts, plant height, local names, uses, and frequency of occurrence. Each specimen was assigned a unique field number.

Collected plants were processed using standard herbarium techniques, including drying and pressing. Identification was carried out with the help of standard taxonomic literature such as The Flora of the Presidency of Bombay (Cooke, 1903, 1908), Flora of Maharashtra State (Sharma et al., 1996; Naik, 1998), and other relevant floras (Singh et al., 2001; Singh and Karthikeyan, 2001).

Identified weed species were arranged family-wise according to the classification of Bentham and Hooker. Within each family, genera and species were listed alphabetically, and relevant information on local names, habitat, distribution, and collection locality was documented.

 

Observation

Table 1: A=Abundant, C=Common, F=Frequent, O=Occasional, R=Rare.

Sr. No.

Name of Species

Family

Local Name

Habitat

Distribution

Locality

          1           

Cocculus hirsutus (L.) Diels

Menispermaceae

Vasanvel

Unirrigated field

C

M.pir

          2           

Argemone mexicana L.

Papaveraceae

Pivla Dhotra

Unirrigated field

O

Wanoja

          3           

Rorippa indica (L.) Hiern

Brassicaceae

Irrigated field –Wheat, chickpea

C

Ladegaon

          4           

Brassica juncia (L.) Czern.

Brassicaceae

Irrigated field- Wheat

O

Rithad

          5           

Brassica campestris Linn. Var. Sarson

Brassicaceae

Irrigated field-Wheat

O

Wanoja

          6           

Cleome viscosa L.

Cleomaceae

Pivltilwan

Unirrigated fields

C

Hiwara Bk. 

          7           

Portulaca quadrifida L.

Portulacaceae

Chival

Irrigated fields-Soybean, Tur.

O

Kheda abai

          8           

Portulaca oleracea L.

Portulacaceae

Irrigated fields-Chickpea

C

Vilegaon

          9           

Abelmoschus moschatus Medik.

Malvaceae

Kasturi bhendi

Bunds of fields

O

Sawarkhed

        10         

Abelmoschus ficulneus (L.) Wight. & Arn.

Malvaceae

Bunds of fields

 C

Washim

        11         

Abutilon indicum (L.) Sweet.

Malvaceae

Petari

Bunds of fields

C

Khapardari

        12         

Abutilon pannosum (G. Forst.) Schldtl.

Malvaceae

Irrigated fields-Cotton

C

Washim

        13         

Hibiscus lobatus (Murr.) Kuntze

Malvaceae

Bunds of fields

O

Pimpalgaon

        14         

Hibiscus cannabinus L.

Malvaceae

Ambadi

Irrigated fields-Soybean, Cotton.

O

Rithad

        15         

Hibiscus panduriformis Burm.f.

Malvaceae

 

Irrigated fields-Soybean, Cotton.

O

Washim

        16         

Malachra capitata (L.) L.

Malvaceae

Ran-ambadi

Irrigated fields-Soybean, Tur, Cotton.

R

 

Sawarkhed

 

        17         

Malvastrum coromandelianum (L.) Garcke

Malvaceae

Irrigated fields-Soybean, Tur, Cotton.

C

Ladegaon

        18         

Sida acuta Burm.f.

Malvaceae

Irrigated fields-Soyabean

C

Manora

        19         

Sida cordata (Burm.f.) Borss. Waalk.

Malvaceae

Irrigated fields-Soybean, Tur, Cotton.

C

Umari Bk.

        20         

Sida spinosa L.

Malvaceae

Irrigated fields-Soybean, Tur, Cotton.

C

Umari Bk.

        21         

Corchorus olitorius L.

Tiliaceae

Unirrigated field

R

Amana

        22         

Corchorus fascicularis Lam.

Tiliaceae

Chichura

Irrigated fields-Soybean.

R

Rithad

        23         

Corchorus trilocularis L.

Tiliaceae

Irrigated fields-Soybean.

C

Dastapur

        24         

Triumfetta pentandra A. Rich.

Tiliaceae

Bunds of fields

C

Amana

        25         

Triumfetta rotundifolia Lam.

 

Tiliaceae

Bunds of fields

O

Washim

        26         

Tribulus terrestris L.

Zygophyllaceae

Gokharu

Unirrigated fields

C

Manora

        27         

Biophytum sensitivum (L.) DC.

Oxalidaceae

Lajalu

Unirrigated fields

C

Sawargaon

        28         

Oxalis corniculata L.

Oxalidaceae

Irrigated fields- Soybean, Cotton.

C

Ladegaon

        29         

Impatiens balsamina L.

Balsaminaceae

Tiwadi

Irrigated fields- Soybean, Cotton

C

Washim

        30         

Cissus vitiginea L.

Vitaceae

Bunds of fields

C

Pimpalgaon

        31         

Cardiospermum halicacabum L.

Sapindaceae

 

Irrigated Field-Soybean

C

Karanja

        32         

Alysicarpus bupleurifolius (L.) DC.

Fabaceae

Irrigated field-Soybean, cotton, Tur.

F

Amana

        33         

Alysicarpus longifolius (Spreng.) Wight & Arn.

Fabaceae

Shevara

Irrigated field-Soybean, cotton, Tur.

O

Sakra

 

        34         

Alysicarpus monilifer (L.) DC.

Fabaceae

Unirrigated fields

 

O

Manora

        35         

Alysicarpus ovalifolius (Schum.) Leonard

Fabaceae

Unirrigated fields

O

Amana

        36         

Alysicarpus procumbens (Roxb.) Schindl.

Fabaceae

Unirrigated fields

C

Sakra

        37         

Alysicarpus vaginalis (L.) DC.

Fabaceae

Unirrigated fields

C

Hiwara bk.

        38         

Cajanus platycarpus (Bth.)

Fabaceae

Unirrigated fields

C

Matoda

        39         

Clitoria ternatea L.

Fabaceae

Gokarna

Unirrigated fields

C

Matoda

        40         

Crotalaria retusa L.

Fabaceae

Unirrigated fields

C

Jalalpur

        41         

Crotalaria mysorensis  Roth

Fabaceae

Unirrigated fields

C

Risod

        42         

Crotalaria orixensis Willd.

Fabaceae

Unirrigated fields

C

Rithad

        43         

Cullen corylifolia (L.) Medik.

Fabaceae

Bawachi

Unirrigated fields

O

Umari Bk.

        44         

Desmodium dichotomum (Willd.) DC.

Fabaceae

Chikta

Bunds of  fields

C

Sakra

        45         

Gonigyna hirta (Willd.) Ali

Fabaceae

Irrigated field-Soybean, Tur.

C

Wai pr. Karanja

        46         

Indigofera cordifolia Roth

Fabaceae

Godhadi

Irrigated field-Soybean.

C

Kolambi

        47         

Indigofera glandulosa Wendl.

Fabaceae

Barbada

Unirrigated fields

C

Wardari Kh.

        48         

Indigofera linifolia (L.f.) Retz.

Fabaceae

Bunds of fields

C

Washim

        49         

Indigofera linnaei Ali

Fabaceae

Bunds of fields

C

Dhamni manora

        50         

Melilotus alba Ledeb.

Fabaceae

Irrigated fields- Wheat, Chickpea

O

Poha

        51         

Melilotus indica (L.) All.

Fabaceae

Ran methi

Irrigated fields- Wheat, Chickpea

O

Poha

        52         

Rhynchosia minima (L.) DC.

Fabaceae

Turel

Irrigated field-Soybean, Tur.

C

Dhamni manors

        53         

Rhynchosia minima (L.) DC. Var. retroflexa

Fabaceae

Unirrigated Field

O

Ladegaon

        54         

Tephrosia purpurea (L) Pers.

Fabaceae

Unirrigated fields

 

C

Lahi

        55         

Tephrosia strigosa (Dalz.) Santapau & Maheshw.

Fabaceae

Bunds of fields

O

Malegaon

        56         

Tephrosia Villosa (L) Pers.

Fabaceae

 

Unirrigated fields

O

Manora

        57         

Vigna trilobata L.

Fabaceae

_

Unirrigated fields

O

Dastapur

        58         

Zornia gibbosa Span.

Fabaceae

Unirrigated fields

O

 

        59         

Cassia mimosoides L.

Caesalpiniaceae

Unirrigated fields

O

Wardari kh.

        60         

Cassia pumila Lam.

Caesalpiniaceae

Unirrigated fields

C

Wardari kh.

        61         

Senna tora (L.) Roxb.

Caesalpiniaceae

Bunds of fields

O

Wardari kh.

        62         

Senna uniflora L.

Caesalpiniaceae

 

Bunds of fields

O

Falegaon

        63         

Ammannia baccifera L.

Lythraceae

Bunds of fields

C

Asola

        64         

Rotala serpyllifolia (Roth) Bremek.

Lythraceae

Bunds of fields

R

Washim

        65         

Ludwigia perennis L.

Onagraceae

Panlala wng

Bunds of fields

C

Khapardari

        66         

Cucumis melo L.

Cucurbitaceae

Shirni

Unirrigated fields

C

Hiwara Bk. 

        67         

Diplocyclos palmatus (L.) C. Jeffrey

Cucurbitaceae

Shivlingi

Bunds of fields

C

Matoda

        68         

Momordica cymbalaria Hook.f.

Cucurbitaceae

Kadvanchi

Unirrigated fields

C

Khapardari

        69         

Mukua maderaspatana (L.) M. Roem.

Cucurbitaceae

Bunds of fields

O

Karanja

        70         

Trianthema portulacastrum L.

Aizoaceae

__

Unirrigated fields

O

Asola

        71         

Neanotis montholonii (Hook.f.) Lewis

Rubiaceae

Unirrigated fields

R

m.pir 

        72         

Spermacoce articularis L.f.

Rubiaceae

Unirrigated fields

C

Wardari kh.

        73         

Spermacoce pusilla Wall.

Rubiaceae

Unirrigated fields

C

Risod

        74         

Hedyotis aspera B. Heyne ex Roth

Rubiaceae

Unirrigated fields

O

Amana

        75         

Hedyotis corymbosa L. (Lam)

Rubiaceae

__

Unirrigated fields

O

Supkhel

        76         

Acanthospermum hispidum DC.

Rubiaceae

Bunds of fields

C

Khapardari

 

        77         

Ageratum conyzoides (L.) L.

Asteraceae

Unirrigated fields

A

Shivani D.

        78         

Bidens biternata (Lour.) Merr. And sherff.

Asteraceae

Unirrigated fields

O

Pimpalgaon

        79         

Blainvillea acmella (L.) Philipson

Asteraceae

Unirrigated fields

C

Pimpalgaon

        80         

Blumea lacera (Burm.f.) DC.

Asteraceae

Bunds of fields

C

Manora

        81         

Blumea solidaginoides (Poir.) DC.

Asteraceae

Bunds of fields

C

Karanja

        82         

Blumea membranacea var. gracilis Hook.f.

Asteraceae

Bunds of fields

F

Karanja

        83         

Caesulia axillaris Roxb.

Asteraceae

Unirrigated fields

C

Washim

        84         

Echinops echinatus Roxb.

Asteraceae

Bunds of fields

O

Rithad

        85         

Eclipta alba (L.) Hassk.

Asteraceae

Maka

Irrigated fields-Soybean. Tur.

O

Pimpalgaon

        86         

Emilia sonchifolia (L.) DC. ex DC.

Asteraceae

Unirrigated fields

C

Karanja

        87         

Goniocaulon indicum (Klein ex Willd.) Benth ex Clarke

Asteraceae

Karad kosla

Irrigated fields-Soybean

C

Sakra

        88         

Grangea maderaspatana (L.) Poir.

Asteraceae

Unirrigated fields

F

Risod

        89         

Lagascea mollis Cav.

Asteraceae

Bunds of fields

C

Dhanora

        90         

Launea procumbens (Roxb.) Ramayya & Rajagopal

Asteraceae

Pathri

Unirrigated fields

C

Karanja

        91         

Pentanema indicum (L.) Ling

Asteraceae

Sonkadi

Unirrigated fields

C

Washim 

        92         

Parthenium hysterophorus L.

Asteraceae

Gajar gawat

Bunds of fields

A

Manoli

        93         

Pulicaria angustifolia DC.

Asteraceae

Bunds of fields

O

Washim

        94         

Sonchus bracyotus DC.

Asteraceae

Irrigated fields-Wheat, Chickpea.

 

R

Ladegaon

        95         

Sonchus oleraceus L.

Asteraceae

Irrigated fields-Wheat, Chickpea.

O

Karanja

        96         

Spilanthes paniculata Wall. Ex DC. Prodr.

Asteraceae

Pimpal Kawale

Unirrigated fields

C

Asola

        97         

Tridax procumbens (L.) L.

Asteraceae

Kambar modi

Unirrigated fields

A

Karli

        98         

Vernonia cinerea (L.) Less.

Asteraceae

Bunds of fields

C

Sakra

        99         

Xanthium strumarium L.

Asteraceae

Zingurda

Unirrigated fields

O

Supkhel

      100       

Zinnia peruviana  L.

Asteraceae

Ran Zendu

Unirrigated fields

O

Matoda

      101       

Anagallis arvensis var. caerulea (L.) Gouan

Primulaceae

Irrigated fields-Wheat, Chickpea.

C

Nainy

      102       

Catharanthus pusillus (Murr.) G. Don

Apocynaceae

Jangli sadafuli

Unirrigated fields

O

Amana

      103       

Pergularia daemia (Forssk.) Chiov.

Apocynaceae

Utran

Bunds of fields

O

Rithad

      104       

Enicostema axillare (Poir. ex Lam.) A. Raynal

Gentianaceae

Unirrigated fields

C

Amana

      105       

Exacum  pedunculatum L.

Gentianaceae

Unirrigated fields

F

Sakra

      106       

Heliotropium ovalifolium Forssk.

Boraginaceae

Bunds of fields

C

Risod

      107       

Trichodesma indicum (L.) Lehm.

Boraginaceae

Kachmada

Unirrigated fields

C

Sakhardoh

      108       

Trichodesma zeylanicum (Burm.f.) R.Br.

Boraginaceae

Bunds of fields

A

Sakra

      109       

Convolvulus arvensis L.

Convolvulaceae

Bunds of fields

C

Ladegaon

      110       

Evolvulus alsinoides (L.) L.

Convolvulaceae

Unirrigated fields

C

Khapardari

      111       

Ipomoea alba L.

Convolvulaceae

Bunds of fields

O

Malegaon

      112       

Ipomoea cairica (L.) Sweet

Convolvulaceae

Unirrigated fields

O

Koli

      113       

Ipomoea sinensis (Desr.) Choisy

Convolvulaceae

Bunds of fields

F

Washim

      114       

Ipomoea eriocarpa R.Br.

Convolvulaceae

Irrigated fields

C

Falegaon 

      115       

Ipomoea hederifolia L.

Convolvulaceae

Bopali

Unirrigated fields

 

O

Girda

      116       

Ipomoea pestigris (L.)

Convolvulaceae

Bunds of fields

C

Washim

      117       

Ipomoea maxima (L.f.) G.Don

Convolvulaceae

 

Unirrigated fields

C

Koli

      118       

Merremia gangetica (L.) Cufod.

Convolvulaceae

Kaliaphumari

Unirrigated fields

C

Washim

      119       

Cuscuta chinensis Lam.

Convolvulaceae

Adharvel

Unirrigated fields

C

Washim

      120       

Physalis angulata L.

Solanaceae

Unirrigated fields

C

Kolar

      121       

Physalis minima L.

Solanaceae

Unirrigated fields

F

Falegaon

      122       

Solanum nigrum L.

Solanaceae

Kamumi

Bunds of fields

C

Khapardari

      123       

Datura ferox L.

Solanaceae

 

Bunds of fields

O

Ladegaon

      124       

Datura innoxia Mill.

Solanaceae

 

Bunds of fields

A

Ladegaon

      125       

Kickxia ramosissima (Wall.) Janch.

Scrophulariaceae

Bunds of fields

C

Washim

      126       

Stemodia viscosa Roxb.

Scrophulariaceae

Unirrigated fields

F

Washim

      127       

Striga angustifolia (D.Don) C.J.Saldanha

Scrophulariaceae

Unirrigated fields

C

Risod

      128       

Verbascum chinense (L.) Santapau

Scrophulariaceae

Unirrigated fields

O

Risod

      129       

Blepharis repens (Vahl) Roth

Scrophulariaceae

Hadsan

Unirrigated fields

O

Nagzari

      130       

Justicia diffusa Willd.

Acanthaceae

Unirrigated fields

C

Risod

      131       

Justicia procumbens L.

Acanthaceae

Unirrigated fields

C

Asola

      132       

Lepidagathis cristata Willd.

Acanthaceae

Unirrigated fields

C

Umari Bk.

      133       

Dicliptera paniculata (Forssk.) I.Darbysh.

Acanthaceae

Bunds of fields

 

O

Morgavhan

      134       

Rostellularia japonica (Thunb.) Ellis (Syn. Justicia japonica)

Acanthaceae

Bunds of fields

 

C

Risod

      135       

Rungia elegans Dalz. & Gibs.

Acanthaceae

Bunds of fields

C

Sakra

      136       

Rungia pectinata (L.) Nees

Acanthaceae

Bunds of fields

C

Sakhardoh

 

      137       

Rungia repens (L.) Nees

Acanthaceae

Bunds of fields

R

Rithad

 

      138       

Anisomeles indica

Lamiaceae

-----

Bunds of fields

O

Lahi

      139       

Leonotis nepetifolia (L.) R.Br.

Lamiaceae

Bunds of fields

C

Sawad

      140       

Leucas urticifolia (Vahl.) sm.

Lamiaceae

Unirrigated fields

C

Risod

      141       

Leucas cephalotes (Roxb.) Spreng.

Lamiaceae

Irrigated field-

Soybean, Tur.

O

Sakhardoh

      142       

Leucas martinicensis (Jacq.)R.Br.Prodr.

Lamiaceae

Unirrigated field

O

Risod

      143       

Ocimum americanum L.

Lamiaceae

Unirrigated field

O

Sakhardoh

      144       

Salvia plebeia R.Br.

Lamiaceae

Unirrigated places

R

Washim

      145       

Boerhaavia erecta L.

Nyctaginaceae

Punarnava

Unirrigated places

O

Kamzara

      146       

Boerhavia repens Var. diffusa (L.)

Hook.

Nyctaginaceae

Unirrigated fields

C

Khirda

      147       

Achyranthes aspera L.

Amaranthaceae

Unirrigated fields

C

Washim

      148       

Aerva lanata (L.) Juss.

Amaranthaceae

Unirrigated fields

C

Karanja

      149       

Alternanthera  sessilis (L.) R.Br. ex DC.

Amaranthaceae

Unirrigated fields

A

Hiwara Bk. 

      150       

Amaranthus roxburghianus Kunth.

Amaranthaceae

Unirrigated fields

F

M.pir 

      151       

Amaranthus spinosus L.

Amaranthaceae

Bunds of fields

C

Khapardari

      152       

Amaranthus viridis L.

Amaranthaceae

Unirrigated fields

C

Hiwara Bk. 

      153       

Celosia argentea L.

Amaranthaceae

Unirrigated fields

O

Wardari kh.

      154       

Digera muricata (L.) Mart.

Amaranthaceae

Bunds of fields

C

m.pir

      155       

Gomphrena serrata L.

Amaranthaceae

Unirrigated fields

O

Karanja

      156       

Chenopodium album L.

Chenopodiaceae

 

Irrigated fields-

Wheat,

Chickpea.

C

Wanoja

      157       

Acalypha ciliata Forssk.

Euphorbiaceae

Unirrigated fields

C

Amana

      158       

Acalypha indica L.

Euphorbiaceae

Unirrigated fields

O

Manora

      159       

Acalypha malabarica Mull. Arg.

Euphorbiaceae

Unirrigated fields

O

Hiwara bk.

      160       

Chrozophora rottleri (Geis.) Juss. ex Spreng.

Euphorbiaceae

Unirrigated fields

C

Nainy

      161       

Euphorbia geniculata Ort.

Euphorbiaceae

Unirrigated fields

C

Manora

      162       

Euphorbia heyneana Spreng.

Euphorbiaceae

Unirrigated fields

 

A

Nainy

      163       

Euphorbia hirta L.

Euphorbiaceae

Unirrigated fields

O

Karanja

      164       

Euphorbia parviflora L.

Euphorbiaceae

Irrigated fields-Wheat, Chickpea.

C

Karanja

      165       

Euphorbia dracunculoides L.

Euphorbiaceae

Unirrigated fields

C

Mangrulpir

      166       

Phyllanthus amarus Schum. & Thonn.

Phyllanthaceae

Unirrigated fields

C

Karanja

      167       

Phyllanthus maderaspatensis L.

Phyllanthaceae

Irrigated fields-Soybean.

F

Supkhel

 

      168       

Commelina axillaris L.

Commelinaceae

Irrigated fields-Soybean.

C

Wardari kh.

      169       

Commelina benghalensis L.

Commelinaceae

Irrigated fields-Soybean.

O

Amana

      170       

Commelina attenuate Koen. ex vahl, Enum.

Commelinaceae

Bunds of fields

C

Wai pr.

      171       

Tonningia axillaris (L.) Raf.

Commelinaceae

Unirrigated fields

O

Wardari kh.

      172       

Cyperus rotundus L.

Cyperaceae

Bunds of fields

O

Amana

      173       

Apluda mutica L.

Poaceae

Unirrigated fields

C

Wardari Kkh.

      174       

Aristida redacta Stapf

Poaceae

Unirrigated fields

C

Supkhel

 

      175       

Arthraxon hispidus (Thunb.) Makino

Poaceae

Bunds of fields

C

Wardari kh.

      176       

Chloris barbata Sw.

Poaceae

Cultivated fields

 

C

Amana

      177       

Coix gigantia

Poaceae

Bunds of fields

R

Falegaon

      178       

Chrysopogon fulvus (Spreng.) Chiov.

Poaceae

Bunds of fields

C

Girda

      179       

Cynodon dactylon (L.) Pers.

Poaceae

Irrigated fields

C

Manora

      180       

Dactyloctenium aegyptium (L.) Willd.

Poaceae

Unirrigated fields

C

Karanja

      181       

Dichanthium annulatum (Forssk.) Stapf

Poaceae

Irrigated fields

C

Sakhardoh

      182       

Dichanthium caricosum (L.) A.Camus

Poaceae

Irrigated fields

C

Khapardari

      183       

Dichanthium foveolatum (Delile) Roberty

Poaceae

Irrigated fields

C

Washim

      184       

Dichanthium pertusum (L.) Clayton

Poaceae

Unirrigated fields

C

Karanja

      185       

Digitaria ciliaris (Retz.) Koeler

Poaceae

Unirrigated fields

A

Manora

      186       

Digitaria stricta Roth

Poaceae

Unirrigated fields

C

Dhamni Manora

      187       

Dinebra retroflexa (Vahl) Panz.

Poaceae

Irrigated fields

 

C

Sakhra

      188       

Eleusine indica (L.) Gaertn.

Poaceae

Bunds of fields

C

Washim

      189       

Eragrostis aspera (Jacq.) Nees

Poaceae

Irrigated fields

C

Manora

      190       

Eragrostis ciliaris (L.) R.Br.

Poaceae

Unirrigated fields

C

Karanja

      191       

Eragrostis japonica (Thunb.) Trin.

Poaceae

Cultivated fields

C

Sakra

      192       

Eragrostis pilosa (L.) P. Beauv.

Poaceae

Unirrigated fields

R

Kheda abai

      193       

Eragrostis viscosa (Retz.) Trin.

Poaceae

Unirrigated fields

C

Vilegaon

      194       

Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.

Poaceae

Bunds of fields

C

Sawarkhed

      195       

Heteropogon triticeus (R.Br.) Stapf ex Craib

Poaceae

Bunds of fields

C

Washim

      196       

Ischaemum pilosum (Kl. ex Willd.) Wight

Poaceae

Unirrigated fields

 

C

Khapardari

      197       

Melanocenchris jacquemontii Jaub. & Spach

Poaceae

Irrigated fields

R

Washim

      198       

Mnesithea granularis (L.) Koning & Sosef

Poaceae

Unirrigated fields

O

Pimpalgaon

      199       

Moorochloa eruciformis (Sm.) Veldkamp

Poaceae

Irrigated fields

C

Karanja

      200       

Ophiuros exaltatus (L.) Kuntz.

Poaceae

Bunds of fields

A

Washim

      201       

Panicum psilopodium Trin.

Poaceae

Irrigated field

R

Washim

      202       

Rottboellia cochinchinensis (Lour.) Clayton

Poaceae

Itch grass

Bunds of fields

C

Sakra

      203       

Setaria intermedia Roem. & Schult.

Poaceae

Bristle grass

Bunds of fields

C

Pimpalgaon

      204       

Setaria pumila (Poir.) Roem. & Schult.

Poaceae

Yellow foxtail

Irrigated field

O

Amana

      205       

Setaria verticillata (L.) P. Beauv.

Poaceae

Hooked bristle grass

Bunds of fields

O

Pimpalgaon

      206       

Sporobolus coromandelianus (Retz.) Kunth

Poaceae

Irrigated fields

C

Dhamni Manora

      207       

Sporobolus indicus (L.) R.Br.

Poaceae

Smut grass

Irrigated field

R

Karanja

      208       

Themeda quadrivalvis (L.) Kuntz.

Poaceae

Grader grass

Bunds of fields

C

Wardhari

      209       

Urochloa panicoides P. Beauv.

Poaceae

Garden urochloa

Irrigated field

 

F

M.pir

      210       

Urochloa ramosa (L.) Nguyen

Poaceae

Dwarf urochloa

Irrigated field

O

Poha

 

Table 2. Photoplate of Weeds

 

 

Malachra capitata (L.) L.

Corchorus fascicularis Lam.

 

 

Alysicarpus longifolius (Spreng.) Wight & Arn.

Alysicarpus ovalifolius (Schum.) Leonard

 

 

Desmodium dichotomum (Willd.) DC.

Indigofera glandulosa Wendl.

 

 

 

Melilotus indica (L.) All.

Ludwigia perennis L.

 

Emilia sonchifolia (L.) DC. ex DC.

Pentanema indicum (L.) Ling

 

 

 

 

Sonchus bracyotus DC.

Spilanthes paniculata Wall. Ex DC. Prodr.

Catharanthus pusillus (Murr.) G. Don

Convolvulus arvensis L.

 


 

Result and Discussion

            The survey documented a total of 210 weed species representing 140 genera and 37 families. Ipomoea emerged as the most dominant genus, while Poaceae was the largest family, comprising 38 species. Distinct differences in weed composition were observed between unirrigated and irrigated agricultural fields. Unirrigated fields were predominantly infested with Parthenium hysterophorus, Achyranthes aspera, Acalypha sp., Alternanthera sessillis , Xanthium strumarium, Boerhavia erecta, Euphorbia geniculate, Tridax Procumbens, and Phyllanthus spp. In contrast, irrigated fields showed dominance of Anagallis arvensis, Dinebra retroflexa, Melilotus alba, Convolvulus arvensis, Digera muricata, Eragrostis japonica, Moorochloa eruciformis, Launea procumbens, and Sonchus spp. The observed variation in weed assemblages reflects the influence of irrigation practices on weed distribution. Overall, the results reveal substantial weed diversity in the agricultural landscapes of Washim District, and identification of dominant species under different field conditions provides valuable information for planning effective weed management strategies.

References

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B. J. Wilson, Kathryn J. Wright 1990  Predicting The Growth And Competitive Effects Of Annual Weeds In Wheat International Journal Of Weed Biology Ecology And Vegetation Management.

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