Internal Provisia™ Rice: Teknologi terbaru kawalan Padi Angin Mohd Zuhair, Z.A.*, Ahmad Nazmi., Izzat Adib., dan Dilipkumar, M.
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Provisia™ Rice: Teknologi terbaru kawalan Padi AnginMohd Zuhair, Z.A.*, Ahmad Nazmi., Izzat Adib., dan Dilipkumar, M.
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Rumpai dalam penanaman padi sawah
▪ Rumpai daun tirus:
– Padi angin
– Echinochloa (*rintangracun rumpai ALS)
– Leptochloa, and Ischaemum
– Padi “volunteer”
▪ Cabaran kawalan
– Spektrum racun rumpaiyang terbatas
– Kos tinggi penakaian atau“manual weeding”
– Tiada racun rumpai selektifuntuk kawalan padi anginatau padi “volunteer”
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Leptochloa chinensis Ischaemum rugosumEchinochloa spp.
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Padi angin— Tiada racun rumpai selektifPenurunan hasil padi akibat peningkatan populasi padi
angin
Effect on different establishment methods on weedy rice and rice yield over
four consecutive seasons. (Azmi et al. 2005b)
Padi angin▪ Oryza sativa spontonea & Oryza rufipogon▪ Persistan dan bermasalah terutama tanaman padi secara
tabur terus▪ Berpotensi berkacuk dengan padi yang ditanam▪ Memberi impak dan kesan kepada hasil dan kualiti padi▪ Tiada racun rumpai yang selektif untuk kawalan padi angin
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Main Season2002
Off Season2003
Main Season2003
Off Season2004
Yield (kg/ha) Weedy rice panicle/m2
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Padi angin memusnahkan industri padi negara!
Weed Type Rice Yield Losses
-------------------------------------------------------
Grasses 41 %
Broad Leaf 30 %
Sedges 10 %
Weedy Rice > 50%
IMPAK PADI ANGIN DI MALAYSIA
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United StatesCanola, Wheat, Rice,
Sunflower, Lentils
BASF Herbicide Tolerance
Canada
Sunflower, Canola, Wheat, Lentils
Central America &
ColombiaRice
ArgentinaMaize, Rice, Sunflower, Wheat
ChileCanola, Wheat
BrazilRice, OSR
South AfricaSunflower
AustraliaCanola, Wheat,
Barley, Maize
MalaysiaRice
Eastern Europe & CISSunflower, OSR
Western EuropeSunflower, OSR, Rice
UruguayRice
Clearfield® Production System merupakan sistem toleran herbisidabukan GMO yang meluas digunakan di dunia
Clearfield Production System memberikan kawalan padi angin yang berkesan dengan penggunaan bersama sama racun
rumpai OnDuty (Imidazolinone, ALS), selain kawalan rumpai daun tirus dan daun lebar.
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Keperluan Sistem Padi Toleran Herbicida (non-GMO) terbaru:
▪ Menjamin kelestarian kawalan padi angin dan pengurusan rumpai rintang
Kajian BASF kawalan padi angin
Weeds registered with resistance in LATIN AMERICA for Rice*Code Common name Argentina Brasil Colombia Costa Rica Uruguay
ORYSA Red Rice ALS ALS
ECHCG Echinocloa Crusgali AUX / ALS ALS / AUX
ECHCP Echinocloa cruspavonis AUX
ECHCO Echinocloa colona EPSP AUX / ALS / PS II ACC / ALS / PS II
ELEIN Eleusine indica EPSP ACC EPSP EPSP / ALS
DIGCI Digitaria ciliaris ACC
ISCHRU Ischaemum rugosum ACC
LEPSP Leptocloa sp
* Souce: http://weedscience.org ** Survey results Rice Crop Team 2013
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Arah tuju terbaru kajian “herbicide tolerant”BASF:▪ BASF menghasilkan padi rintang pada racun ACCase yang berkesan untuk kawalan padi angin
dan rumpai daun tirus
▪ Kajian dimulakan pada tahun 2008 melalui proses mutagenesis tisu kultur
Kajian BASF kawalan padi angin
1. Callus 2. Select 3. Regenerate 4. Grow 5. Plant
ACCase Herbicides are graminicides that block the biosynthesis of fatty acids and thereby block cell membrane production.
Kelebihan ACCase
Kawalan berkesan padi angin dan rumpat daun tirus
Alternatif kepada Clearfield Production Sistem
Applikasi semburan lebih flexible
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Provisia® Rice System
▪ Mode tindakan terbaru, kawalan padi angin lepas cambah
▪ Technologi ini telah mula di komersilkan di Amerika Syarikat pada tahun 2018
▪ Provisia digunakan secara berselang seli dengan Clearfield, memberikan kawalanrumpai dan padi angin lebih lestari
M3 Yield Trial
Provisia RiceConventional Rice
Provisia Herbicide
▪ New Non-GM herbicide tolerant system that provides control of Weedy Rice, volunteer rice and other grass weeds
▪ Trait discovered in 2008 patents filed in 2009
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Biology Profile
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Kombinasi Provisia Herbicide + Basagran memberi kawalan 100% pada varieti padi Clearfield®, konvensional,
padi angin, rumpai daun tirus, rusiga dan rumpai daun lebar
Application Equipment: Knapsack
Application Timing: 12 DAS
Spray Volume: 400L/Ha
Provisia® Rice System: Efikasi
Di Malaysia, kajian peringkat awal bermula pada tahun 2016. Kajian pembangunan
dan biakbaka diteruskan
Naturally occuring weeds: Sedges and broadleaves
Untreated Provisia Herbicide + Basagran
Provisia rice for use as a Clearfield® Rice rotational partner allowing for
flexible tank mix partners and application timing and ease in controlling weedy
rice and key grass weeds including ALS resistant biotypes.
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Provisia
CL 2
MR 263
Weedy rice
Most of the plants shows more
than 70% percent effect died at
14DAA for 80 gai/ha Provisia
Herbicide except for Provisia
Rice
Provisia® Rice System: Efikasi
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Provisia® dan Clearfield® : Kawalan rumpai2 Weeks After
Application
Grass Weeds
Controlled by
Provisia Herbicide
Includes
▪ Echinochloa
▪ Leptochloa
▪ Oryza rufipogon
▪ Ludwigia
▪ Fimbristylis
▪ Monochoria
▪ Weedy rice
Sedge and broadleaf
weeds controlled with
conventional herbicides
Provisia Herbicide (gai/ha) Market ACCase (gai/ha)
Weedy Rice Control at 14 DAA n=6
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Provisia® Rice System: Stewardship ─ Pengesyoran masa hadapan
Gunakan racun rumpai
selektif untuk kawalan rumpai
Sembur racun rumpai
Provisia yang disyorkan
Padi Clearfield boleh
ditanaman selepas padi
Provisia
Penggunaan racun lepas
cambah eg TEPAT atau pra
cambah
Padi Konvensional Clearfield® RiceProvisia Rice
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Clearfield® Rice Production System: Stewardship Guide
Good agricultural Practices (GAP)
Step-by-Step Guides
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Sistem pengurusan padi angin BASF
■ Provides selective control of weedy rice and other grasses using the
imidazolinones (IMI) class of ALS-inhibiting herbicides1.
■ Selective control is achieved via mutation in the Clearfield rice
genotype, which prevents the herbicide from binding to the ALS active
site.
1Continued use of IMI herbicides, without integrated weed management, can lead
to development of weeds resistant to ALS-inhibitors.
Uses same principle as Clearfield, with a different herbicide, providing a
good rotation partner to Clearfield/IMI system.
Provisia rice genotypes have a mutation in the plastidic acetyl-CoA
carboxylase enzyme (ACCase), which confers commercial tolerance to
the ACCase-inhibiting herbicides cycloxydim and quizalofop-P-ethyl
Kedua-dua sistem
Clearfield dan Provisia
adalah bukan-GMO,
berkesan mengawal
padi angin termasuk
rumpai rintang.
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