Greenhouse soil solarization: effect on weeds, nematodes - HAL
NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL...
-
Upload
chastity-wilson -
Category
Documents
-
view
215 -
download
0
Transcript of NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL...
![Page 1: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/1.jpg)
NEM 204 - PHYSICAL METHODS:
HOT WATER & CHEMICAL DIPS
STEAM STERILIZATIONROOT PRUNING(SOIL SOLARIZATION)
125F - 10 MINUTES
125F - 20 MINUTES
![Page 2: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/2.jpg)
HOT WATER TREATMENT:TEMPERATURE & TIME NEEDED DEPEND ON
NEMATODE SPECIESCROP VARIETY OR CULTIVAR
ACCURATE TIME AND TEMPERATURE CONTROLS ARE NEEDED
TOO HIGH OF A TEMPERATURE OR TOO LONG OF AN EXPOSURE PERIOD CAN
DAMAGE PLANT MATERIALTOO SHORT A TIME PERIOD OR TOO LOW A
TEMPERATURE MAY NOT KILL NEMATODESMAY AGGRAVATE FUNGAL PROBLEMS
![Page 3: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/3.jpg)
qiufoliar
16141210864200
20
40
60
80
100
44.4 C46.1 C47.7 C49.4 C
Exposure period (minutes)
Mortality (%)
Aphelenchoides fragariae
qiuditylenchus
24021018015012090603000
20
40
60
80
100
42C44C46C48C
Mortality (%)
Exposure period (minutes)
Ditylenchus dipsaci
MO
RT
AL
ITY
(%
)
COMPARISON OF TIME AND TEMPERATURE
NEEDED TO KILL STEM AND BULB NEMATODE
AND FOLIAR NEMATODE
42C = 107.6F44C = 111.2F44.4C = 112F46C = 114.8F46.1C = 115F47.7C = 118F48C = 118.4F49.4C = 121F
![Page 4: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/4.jpg)
EFFECT OF TEMPERATURE ON SURVIVAL OF PRATYLENCHUS PENETRANS AND CIRCUMFERANCE OF EASTER LILY BULBS
y = 3E+10e-0.1755x
R2 = 0.9719
y = 1E+10e-0.1619x
R2 = 0.9691
0
20
40
60
80
100
120
140
160
180
200
108 110 112 114 116 118 120 122 124 126 128 130TEMPERATURE (F)
TIME (MINUTES)
NEMATODE MORTALITY
BULB CIRCUMFERANCE
Expon. (NEMATODEMORTALITY)Expon. (BULBCIRCUMFERANCE)
![Page 5: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/5.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
GRAPE ROOTSTOCK HOT WATER TREATMENT:
![Page 6: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/6.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
STRAWBERRY PLANT HOT WATER TREATMENT:
![Page 7: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/7.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
STRAWBERRY PLANT HOT WATER TREATMENT:
![Page 8: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/8.jpg)
MONITORING HOT WATER TREATMENTS:
![Page 9: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/9.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
STEAM STERILIZATION
![Page 10: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/10.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
STEAM STERILIZATION
![Page 11: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/11.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
ROOT PRUNING
![Page 12: NEM 204 - PHYSICAL METHODS: HOT WATER & CHEMICAL DIPS STEAM STERILIZATION ROOT PRUNING (SOIL SOLARIZATION) 125F - 10 MINUTES 125F - 20 MINUTES.](https://reader035.fdocuments.in/reader035/viewer/2022062500/5697c0301a28abf838cdaa41/html5/thumbnails/12.jpg)
QuickTime™ and a
Photo CD Decompressor
are needed to use this picture
(SOIL SOLARIZATION)