20th Asian-Pacific Weed Sciences Society Conference

7-11 October, Ho Chi Minh City, Vietnam

 

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Contents of Proceeding

 

Plenary Session (A)

 

1

Six decades of Weed Science since the discovery of 2,4-D and challenges for the 21st century

S. O. Duke

3

2

Discovery and development of 2,4-D and its impact on world agriculture

N.T. Yaduraju and M.B.B. Prasad Babu

12

3

Environmental consequences of Agent Orange during the Vietnam war

D. V. Chin

18

4

An overview of herbicide resistance of sulfonylureas in Japan and Asia

Kazuyuki Itoh, Akira Uchino and Tae-Seon Park

24

5

Allelopathic research and development-A world view on breeding of allelopathic rice

K. U. Kim and D. H. Shin

35

6

The World’s landscapes of weedy rice – An overview

Baki B. Bakar

45

7

Implications and containment of gene flow from herbicide-resistant rice (Oryza sativa)

Bernal E. Valverde and Jonathan Gressel

63

8

Procedures for weed risk assessment

R. Labrada

85

9

Effect of global warming on weed invasion world wide

RM. Kathiresan

91

 

Concurrent Sessions (B)

 

 I. History of Weed Science

 

1

Malaysian initiatives in weed science research since the 1900’s

Baki Hj Bakar

101

 

II. Weed Biology and Ecology

 

1

Assessing the risks of weed seeds on horticultural imports

A. Rahman, T.K. James, A.I. Popay

115

2

Ludwigia peruviana and Ludwigia longifolia in Sydney:  from immigrants to invaders

N.  Chandrasena

121

3

Emergence and growth strategies of some common lowland rice (Oryza sativa L.) weeds to submergence

 

T.R. Migo, O.S. Namuco, A.M. Mortimer and D.E. Johnson

131

4

 SEQ CHAPTER \h \r 1Assessment of the potential impact of interspecific competition in rice culture systems

T. C. Foin, B. R. Adams, C. G. Hartley and J. E. Hill

137

5

A review of species, source and invasion of exotic weeds in China

S. Qiang

143

6

Tuber sprouting and production of daughter plants and rhizomes under submerged conditions in yellow nutsedge (Cyperus esculentus L.)

H. Morita

151

7

Study on rice soil seed bank in O Mon district, Can Tho province, Mekong delta of Vietnam

N. T. Nhiem and D. V. Chin

157

8

Seed bank studies on Parthenium hysterophorus infested pastures: examining of different management approaches

S.C. Navie and S.W. Adkins

163

9

GA3 and KNO3 break dormancy in curly dock (Rumex crispus) seeds under varying temperatures

G. Hassan and H. Khan

169

10

Predicting seed production of redroot pigweed (Amaranthus retroflexus) by its biomass at harvest

X. Li, H. Ni, H. Zhang

175

11

Lambsquarter (Chenopodium album) and barnyard grass (Echinocloa crus-galli) competition with sugar beet (Beta vulgaris)  under semi-arid climatic condition

M. Bazoobandi, M. Abdi and M. Akhavan

180

12

Growth, seed production, and germination of tropical spiderwort (Commelina benghalensis L.) depending on emergence period and shading conditions

M. Matsuo, K. Yoshida, H. Terao and T. Ogawa

185

13

Notes on some alien invasive plants species in Indonesia

Sri S. Tjitrosoedirdjo

190

14

Biology of a weedy rice Luolijing (Oryza sativa) in China

L. Yu, D.E. Johnson, Y. Zhou, and J. Zhang

195

15

Study on the biology of field horsetail (Equisetum arvense)

H. Zhang, X. Liu, X. Wu, L. Tao, H. Ni

200

16

Monitoring forage production of Nilegrass using spectral remote sensing

C. M. Yang, Y. J. Lee, K. Y. Hong, and F. H. Hsu

204

 

 

III. Varietal Improvement

 

1

Comparison four aromatic rice varieties with and without weed control conditions in pre-germinated seeded rice in Thailand

Pensee Nantasomsaran, Prasan Vongsaroj and Anuchat Kochasatit

211

 

IV. Allelopathy

 

1

Effects of 6-methoxy-2-benzoxazolinone on induction of α-amylase in plant seeds

Hisashi Kato-Noguchi and Francisco A. Macías

217

2

Momilactone B: a potent allelochemical in rice root exudates

Hisashi Kato-Noguchi and Takeshi Ino

222

3

Allelochemicals from buckwheat and tatary buckwheat and practical weed control in the field

Yoshiharu Fujii, Anna Golisz, Akihiro Furubayashi,

Zahida Iqbal and Habib Nasir

227

4

Utilization of plant allelopathy for paddy weed control in Vietnam: An overview

T. D. Xuan, S. Tawata, N. H. Hong, and T. D. Khanh

234

5

Study on the allelopathy of Leuceana

S. Tawata, T. D. Xuan, and M. Fukuta

240

 

V. Herbicides

 

1

The uptake and distribution of acid, ester and amine salt formulations of 14C-labelled 2,4-D in rubber vine (Cryptostegia grandiflora) with time

G.J. Harvey

245

2

Protoporphyrinogen IX-oxidizing Activities involved in the Mode of Action of a New Compound N-[4-Chloro-2-fluoro-5-{3-(2-fluorophenyl)-5-methyl-4,5-dihydroisoxazol-5-ylmethoxy]-phenyl}]-3,4,5,6-tetrahydrophthalimide

Hwang In Taek, Kyung Sik Hong, Jung Sup Choi,

Hyoung Rae Kim, Dong Ju Jeon, Kwang Yun Cho

254

3

Influence of eco-conditions on the selectivity and  efficacy of major paddy rice herbicides used in Vietnam

N. V. Tuat , N. H. Son

259

4

Factors affecting the herbicidal performance of flucetosulfuron

J. N. Lee, D. S. Kim, K. H. Hwang, S. J. Koo, Y. W. Kwon

267

5

Reducing herbicide rate by exploiting water regimes

J. D. Janiya, and D. E. Johnson

275

6

Evaluation of imidazolinone herbicides for weedy rice (Oryza sativa) control in Clearfield paddy

T. C. Thien, D. V. Chin, T. V. Hien, N. T. Nhiem

282

7

Penoxsulam: a new global rice herbicide

R. Mann, L. Nguyen, V. Patil, D. Larelle, C. Mavrotas,

H. Nonino, M. Morell, Y.K. Min, I. Shiraishi

289

8

Penoxsulam, a new rice herbicide for use in direct seeded and transplanted rice in Asean countries

N. Lap, S. Lerwit,  A. Criador IV, S. Djoko,

Vasant L. Patil,  and R.K. Mann

295

9

New application technique of pretilachlor/fenclorim for weedy rice control in direct seeded wet sown rice in South East Asia

Jean-Louis Allard, Wongyala Pradith and Ruediger Kotzian

302

10

Impact of different application methods of pretilachlor (Sofit®) on weed control in wet-seeded rice

A.S.K Abeysekera, R.M. Bandara, B.Marambe

306

11

Herbicidal performance of flucetosulfuron in controlling Echinochloa species in rice cultivation

Do-Soon Kim, K. H. Hwang, J. N. Lee, J. S. Lim, S. J. Koo, D. V. Chin

311

12

Weed control effect of a new herbicide LGC-42153 in rice fields in China

X. L. Song, S. Qiang and B. Ma

316

13

Effect of sowing methods and herbicides in direct drilled rice (Oryza sativa)

R.K.Singh and D. Singh

323

14

Evaluation of pyrazosulfuron-ethyl 10 WP for weed management in transplanted paddy (Oryza sativa)

Ch. Sreedhar, G. Shankar and M.S. Mithyantha

328

15

Herbicidal efficacy of sodium chlorate granules to buried seeds of Leptochloa chinensis (L.) Nees and some Poaceae species

Ken-ichi Sudo, Akihiro Ushio, Mitsuhiro Adachi,

Hisao Katahashi and Fumio Ogawa

334

16

Minimum tillage method using Gramoxone in maize growing on slope soil at North West region – Vietnam

Dao Xuan Cuong, Nguyen Truong Thanh, Ha Dinh Tuan, Le Huy Hoang

338

17

Broadleaf weed control in maize and soybean with postmergence herbicide fluthiacet-methyl 5%EC

Gao Xingxiang, Li Mei, Ruan Qingyou, Zhang Jianhua, Hou Hengjun

345

18

Evaluation of tank mixtures of metribuzin and pendimethalin for weed management in soybean (Glycine max) in India

Ch. Sreedhar, G. Shankar and M.S. Mithyantha

350

19

Herbicidal and eco-safety weed management in soybean in the entisol of West Bengal during wet season

P. Patra and R. Haque

356

20

Studies on the selectivity of isoproturon and metsulfuron-methyl against barley (Hordeum vulgare L.)

Rajvir Sharma, Feibo, Wu, Gouping Zhang

361

21

Tolerance of different wild oats biotypes to different oat killers under field conditions

G. Hassan

367

22

Efficacy of pre and post-emergence herbicides for controlling weeds in chickpea in Pakistan

S.Hashim, K. B. Marwat, I. A. Khan, and  Z. Hussain

379

23

Response of weeds over-time to different herbicides in potato

S. Hashim, K. B. Marwat and M. A. Khan

384

24

Efficacy of different herbicides for weed management in canola in N-W Pakistan

K. B. Marwat, Z. Hussain and B. Gul

388

25

Efficacy of different herbicides for controlling  weeds in onion at higher altitudes

K. B. Marwat, B. Gul and Z. Hussain

394

26

Herbicidal bioefficacy, phytotoxicity and post-harvest shelf life in onion

T.K. Maity, D.T. Bhutia, R.K. Ghosh and J. Chakraborty

400

27

Behavior of oxadiazon in soil and its effect on turfgrass establishment, growth, and development

P. C. Bhowmik

404

28

Effects of plant height and water availability on response of Quilpie mesquite (Prosopis velutina) to a selection of herbicides applied by the basal stem method

E.C. Sparkes and D.J. Midmore

413

29

Evaluation of newer molecules for chemical weed control in tea (Camellia spp. L.) plantations in South India

Ch. Sreedhar, G. Shankar and M.S. Mithyantha

419

30

Bio-efficacy of XL 20AG in managing weed flora in tea plantation

S. Maiti, A. Khuntia, Pritam Ghosh, Subrata Ghosh and R.K.Ghosh

425

31

Effects of different herbicides on weed control in coconut nurseries in the dry zone of Sri Lanka

S.H.S. Senarathne

428

32

Glyphosate–adjuvant interactions: review of recent experiences

S. D. Sharma, N. Chandrasena,  and M. Singh

434

33

A simple technique to evaluate types of herbicide mixtures for pre-registration in Indonesia

S. Tjitrosemito

443

 

 

VI. Biological Control

 

1

Two decades of weed biocontrol in the Pacific region

M.D. Day, W. Orapa and R. Muniappan

451

2

Biological control of weeds in Papua New Guinea

Warea Orapa

457

3

Study on the efficacy of Setosphaeria rostrata in controlling Leptochloa chinensis in net house and field conditions.

H.L.Thi and D.V.Chin

466

4

The role of golden apple snail, Pomacea canaliculata (Lamarck) in paddy weeding in lowland irrigated transplanted rice ecosystems: Experiences from the Philippines

E.C. Martin, R.C. Joshi, T. Wada, A.R. Martin, L.S. Sebastian

473

5

Integrated bio-control of water hyacinth  (Eichhornia crassipes) using plant product and insects

R.M. Kathiresan and I. Gnanavel

477

6

Goat grazing for perennial weed control in rainfed agriculture

T. Geetha Jebarathnam and RM.Kathiresan

483

 

VII. Herbicide Resistant Weeds and Crops

 

1

Gene flow from rice cultivars to weedy relatives under field assessment

Nguyen Thi Lang, Bui Chi Buu, and Allison Snow

489

2

Field evaluation of transgenic maize carrying cp4 epsps gene conferring herbicide (glyphosate) resistance

S. Patil, R. M. Sirohi and S. Mehetre

495

3

Establishment of a test method of glyphosate-resistant Conyza canadensis in China

X L Song, J J Wu, S Qiang

499

 

VIII. Integrated Weed Management

 

1

Impact of weedy rice infestation on rice yield and influence of crop establishment technique

M. Azmi, Muhamad, H. and D.E. Johnson

507

2

Theoretical considerations in Artificial Neural Networks (ANNs) in predicting rice yield in Malaysia

M. Sorayya, B, Mohd. Sapiyan, and Baki Hj. Bakar

514

3

Farmers’ participatory studies of integrated weed management systems for intensified lowland rice (Oryza sativa L.) in Bangladesh

G.J.U. Ahmed, M.K.A. Bhuiyan, C.R. Riches, M. Mortimer, D. Johnson

524

4

Farmers’ participation in development of integrated methods of weedy rice control in Thailand

C. Maneechote, S. Jamjod, B. Rerkasem and K. Rerkasem

529

 

5

 

Direct seeding of rice and the shift in herbicide use in the Philippines

M.C. Casimero, G. C. Cataquiz, J.C. Beltran,

S. P. Marsh and R. S. Llewellyn

535

6

Tuber production, population dynamics, and management of purple nutsedge (Cyperus rotundus L.) in a rice-onion rotation system

Md. N. Islam, A.M. Baltazar, J.S. Manuel, E.C. Martin,

J.M. Ramos, S.K. De Datta, and A.N.M. Rezaul Karim

541

7

Weed management scenario in direct seeding rice in Indo-Gangetic plains-issues and opportunities

A.N. Tewari, Y. Singh and A.M. Mortimer

550

8

Weed management for sustainable rice (Oryza sativa L.) production in West Bengal – a study on environmental perspective

 S. Mitra and D. K. Khan

557

9

Evaluation of efficiency and economics of weed management in rice-based paira cropping system 

S.S. Mondal, D. Acharya, M. Saha and G. Sounda

564

10

Sustainable eco-rational weed management strategy for rice based cropping system in inceptisol soils of India

R. K. Ghosh, D. Pal, J. Mukherjee, S. N. Mukherjee, S.A. Ram and A. Bose

568

11

Effects of water and weed management practices on weed growth and yield performance of transplanted hybrid rice

P. Bandyopadhyay, P. Banerjee and S. Chowdhury

575

12

Competition correlation of rice –weed system using a mass ratio order parameter

 J. Y. Shen, P. Zhou, L. K. Cao, and Y. T. Lu

579

13

The effect of water regime and soil management on methane (CH4) emission from rice field

Prihasto Setyanto, Orbanus Naharia,

M.Yuli Irianto and Iskandar Zulkarnain

585

14

Determination of agronomic and economic IWM practices in field crops

R.E. Blackshaw, E.G. Smith

591

15

Weed component and control practices in some of annual upland crops in the North of Vietnam

N. H. Son, N. V. Tuat and N. T. Tan

595

16

Weed management on rice, wheat, soybeans and cotton in China

Ze Pu Zhang

601

17

Herbicidal effect on the weed density and grain yield of wheat under zero versus conventional tillage regimes

N. U. Khan, G. Hassan, K. B. Marwat and N.Khan

606

18

Integrated nutrient and weed management for higher production of tomato

A. K. Mukherjee, Sukanta Khanra, R. K. Ghosh and M. A. Sarkar

613

19

Effect of integrated weed management in chickpea (Cicer arietinum) + mustard (Brassica juncea) intercropping system under rainfed condition

G. Sounda, S. S. Mondal, Mithun Saha, S. S. Nayek and P. Mondal

618

20

Rotation and tillage effects on Roundup ready canola (Brassica napus) persistence in the seed bank

R.E. Blackshaw, K.N. Harker, G.W. Clayton, J.T. O’donovan,

E.N. Johnson, Y. Gan, G.P. Lafond, R.B. Irvine

620

21

Weed management in integrated rice + fish + poultry farming system

RM. Kathiresan, R. Anbhazhagan and S.P.Padmapriya

624

22

Seed set control of wild radish (Raphanus raphanistrum) using a blanket wiper

A. Cheam, S. Lee, R. Vargas, B. Rayner, J. Peirce,

D. Lemerle, E. Koetz, and A. Storrie

629

23

Herbicide and tillage effects on weed control in Cavalcade (Centrosema pascuorum cv. Cavalcade)

R.J.Eastick, N.J.Hartley, M.N.Hearnden, C.C.Martin

633

24

Impact of Passali kodi (Andredera cordifolia) weed infestation on the productivity of high-grown tea in Sri Lanka

K. G. Prematilake

640

25

Impact of some weed management strategies on the productivity of tea plantations in Sri Lanka

P.B.Ekanayake, K.G.Prematilaka and A.P.D.A.Jayasekara

648

 

IX. Biodiversity and Plant Extinction

 

1

Assessment of sulfonylurea herbicides to the diversity of aquatic plant in paddy farming system

T. S. Park, C. S. Kim, B. C. Moon and O. D. Kwon

657

2

Effects of chemical herbicides on toxicity of nontarget fixing-nitrogen cyanobacteria in paddy fields in China

J.Y. Shen, Y. T. Lu, X. H. Wang, and G. H. Cheng

665

3

The development and activity of the external hyphae of Glomus mosseae after herbicides application

A. Pasaribu and R. B. Mohamad

671

4

Changes of microbial activity with recommended use of herbicides in high grown tea in Sri Lanka

Guneratne H.M.A.C, De Silva M.S.D.L., and Marambe B.

677

 


 

 

X. Utilization of Weeds

 

1

Nutritive value of non-cultivated grasses (Cypearecea and Gramineae) in the Mekong Delta of Vietnam

Nguyen Nhut Xuan Dung, Luu Huu Manh and Peter Uden

687

2

Effects of plant spacing and nitrogen levels on the growth, biomass production and nutritive values of tropical kudzu (Pueraria phaseoloides) Macroptilium gracile and cowpea (Vigna unguiculata) in the Mekong Delta, Vietnam

L  H. Manh and N. N. X. Dung

693

3

Organic dye from leaves of Lantana camara – A noxious weed

A. Bansal, A. Sharma, A. Sood  and  S. Rani

700

4

Utilization of Himalayan weed flora for organic dyeing

Anjali Sood, Anjali Sharma, Asha Bansal

706

 

XI. Education and Technology Transfer

 

1

Enhancing weed management skills by resource-poor farmers

P.A.C. Ooi and M.C. Casimero

713

2

Technology transfer for improving weed management on small holdings in isolated communities in New Zealand

T.K. James, A. Rahman, H Kerckhoffs

720

3

No-tillage culture - weed management, economics and extension participation

N. C. Thanh

726

 

XII. Other Paper

 

1

Leptochloa chinensis - A host of Bipolaris oryzae in the Mekong Delta, Vietnam

T. T. T. Thuy, E. de Neegaard, and H. J. L. Jorgensen

737

 

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