Download - Stevia. workshop ciat-sept-2014
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MANEJO BIOLOGICO DEL CULTIVO DE LA STEVIA
PROPUESTA ORGANICA SANOPLANT
Carlos Anibal Montoya M
I.A. M.Sc Gerente Sanoplant
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CAUSALES DE DISTURBIOS
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MANEJO INTEGRADO DE PLAGAS
RESEÑA HISTORICA
Empresa que nace desde el año 2002 en el Valle del Cauca, en la ciudad de Palmira, buscando producir hongos entomopatogenos que contribuyeran a implementar un sistema de agricultura Biologica u Organica, permitiendo :
1.Capacitar a los Agricultores en el conocimiento y aplicación de Hongos y Bacterias beneficas para una agricultura limpia. 2.Manejo, uso y evaluación en campo.
. Empresa que brinda los servicios de producción, desarrollo, asistencia técnica y transferencia de tecnología a partir del empleo de hongos entomopatógenos y antagonistas para el control biológico de artrópodos en diferentes explotaciones Agricolas y Pecuarias.
Actualmente cuenta con una colección de cepas de varios géneros de hongos y bacterias: -Beauveria -Paecilomyces -Metarhizium -Trichoderma - Nomoraea - Gliocladium -Lecanicillium - Bacillus -Pseudomonas -Azotobacter -Azospirillium
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INVERNADEROS Y CASAS DE
MALLAS-CIAT
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CASAS DE MALLA
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Figura 2. Plantas de Stevia
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AVANCE EN LA IDENTIFICACIÓN DE ORGANISMOS PATÓGENOS ASOCIADOS A STEVIA (Muestra de mayo 06, 2013)
Figura 1. Lesiones en plántulas
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Figura 4. Corte longitudinal en el tallo
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Figura 7. Lesiones en las inflorescencias
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Clorosis Enrojecimiento Necrosis
Figura 5. Lesiones foliares
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Figura 3. Lesiones radicales
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3 4
2
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7
8
9
11
10
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Figura 6. Chancros en las yemas terminales
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Figura 17. Lesiones en hojas
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DIAGNOSTICO FITOSANITARIO
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a b c
d e
ANÁLISIS MICROBIOLÓGICO DE SUELO; A. ADICIÓN DE 90 ML DE ADE EN BEAKER
10 G DE SUELO; B. AGITACIÓN DURANTE 10 MIN; C. DILUCIÓN DE LA SUSPENSIÓN
DE SUELO; E. SIEMBRA
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SELECCIÓN DEL TEJIDO VEGETAL PARA LA
SIEMBRA EN MEDIOS DE CULTIVOS
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DESINFESTACIÓN Y SIEMBRA DE MUESTRAS DE STEVIA
COLONIAS CRECIDAS A PARTIR DE YEMAS TERMINALES EN PDA
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ESTRUCTURAS EN HOJAS DE Stevia
5
6
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12
13
14
15
16
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17 18
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Fusarium sp.
ESTRUCTURAS DE LOS MICROORGANISMOS ASOCIADOS A YEMAS TERMINALES EN
PDA
Fusarium sp.
Posible
Alternaria sp. Nematodo
ESTRUCTURAS DE LOS MICROORGANISMOS ASOCIADOS A YEMAS TERMINALES EN
CÁMARA HÚMEDA
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Posible
Alternaria sp.
Posible
Alternaria sp. Fusarium sp.
ESTRUCTURAS DE LOS MICROORGANISMOS ASOCIADOS A
INFLORESCENCIAS EN PDA
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Posible
Alternaria sp. Cla
do
sp
ori
um
s
p.
Fusarium sp.
ESTRUCTURAS DE LOS MICROORGANISMOS ASOCIADOS A INFLORESCENCIAS EN
CÁMARA HÚMEDA
Fusarium sp.
Fusarium sp.
ESTRUCTURAS DE LOS MICROORGANISMOS ASOCIADOS A HOJAS EN
PDA
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Cladosporium sp. Po
sib
le A
lte
rna
ria
sp
.
Cu
rvu
lari
a s
p.
Posible
Phaeophleospora
Figura 15. Estructuras de los microorganismos asociados a hojas en cámara
húmeda
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Posible
Trichoderma sp.
Posible
Trichoderma sp.
Posible
Trichoderma sp.
ESTRUCTURAS DE LOS MICROORGANISMOS
ASOCIADOS A TALLOS Y RAICES EN PDA
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Nematodo Fusarium sp. Cladosporium sp.
ESTRUCTURAS DE LOS MICROORGANISMOS
ASOCIADOS A TALLOS Y RAICES EN CÁMARA HÚMEDA
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MUESTRAS DE STEVIA TRAÍDAS PARA
CLÍNICA Y DIAGNOSIS
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MICROORGANISMOS ASOCIADOS A LAS HOJAS DE
LAS MUESTRAS DE STEVIA
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MICROORGANISMO EN TALLO DE STEVIA
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MICROORGANISMO EN PLANTAS DE MAYOR
AFECTACIÓN
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a
b c d
e f
PROCEDIMIENTO PARA DETERMINAR LA PRESENCIA DE NEMATODOS EN
LA MUESTRA
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NEMATODO LESIONADOR DE RAICES
a b
Figura 10. Nematodo asociado a raíces de Stevia. a. cabeza; b. cola
Pratylenchus spp
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AÑUBLO SUREÑO
Sclerotium rofsi
Esclerocios en la base del tallo de las muestras
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PROTOCOLO DE DESISFESTACION DE SCLEROCIOS DEL
ANUBLO SUREÑO
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PRUEBA DE ANTAGONISMO
TRCHOPLANT vs Sclerotium rofsi
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PRUEBAS DE ENFRENTAMIENTO ENTRE LOS
PATOGENOS VS LOS ORGANISMOS BENEFICOS
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ANTOGONISMO BUSCANDO POTENCIALIZAR
LAS CEPAS
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Día 0
Día 3
Día 4
Día 5 Testigo
Día 6
Día 0
Día 3
Día 4
Día 5
Testigo Día 6
PRUEBA DE ANTAGONISMO PARA POTENCIALIZAR CEPAS
ESPECIFICAS
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MODOS DE ACCION DE
TRICHOPLANT
Parasitism
o
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CONTROL DE ENFERMEDADES
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Trichoderma harzianum, bioregulador del hongo patógeno
Fusarium oxysporum en STEVIA y otros cultivos
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SISTEMA VASCULAR DE PLANTA ASINTOMÁTICA Y DE UNA
PLANTA ENFERMA
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LESIONES EN RAMAS
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Dilución 1x10-2 Dilución 1x10-3
COLONIAS DE HONGOS DEL SUELO DE
STEVIA
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a b c d
Figura 13. Microorganismos de mayor presencia en el suelo. a. y b. Aspergillus sp.; c. y d. Cladosporium sp.
Figura 14. Penicillium sp.
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Sclerotium sp. Fusarium sp.
Figura 15. Microorganismos asociados al suelo de Stevia
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Figura 16. Bacterias en el suelo de Stevia
Figura 17. Microorganismos crecidos a partir de los
tejidos en medio de cultivo
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b c a Figura 18. Microorganismos asociados a las hojas de Stevia
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Figura 19. Fusarium sp. crecido en los tallos de Stevia
b d a c
Figura 20. Microorganismos asociados a la raíz
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PLANTULACION BAJO CONDICIONES DE
INVERNADERO
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PLANTULAS CON DISTURBIOS PATOLOGICOS
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SIGNOS EN LAS PLANTULAS
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PERDIDA DE SITIOS DENTRO DE LA BANDEJAS
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PLANTULAS CON PROBLEMAS SANITARIOS
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ESTRUCTURA DISEÑADA PARA INMERSION DE
BANDEJAS PARA LOS TRATAMIENTOS
BIOLOGICOS
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SANIDAD EN LA PLANTULACION
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BOMBEO DE AGUA PARA EL FERTIRIEGO
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APLICACIÓN DE PRODUCTOS VIA FERTIRIEGO
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AÑUBLO SUREÑO
Sclerothium rofsi
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USO DE COBERTURA CON MATERIA ORGANICA
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USO DE COBERTURA CON MATERIA ORGANICA
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ENTUBADO CON PLASTICO
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SISTEMA DE SIEMBRA CON PLASTICO
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PLANTULACION CON BASE EN CONTROL
BIOLOGICO
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Fusarium spp.
Phytium spp.
Colletotrichum spp Phytophthora sp. Botrytis sp
Rhizoctonia solani
Armillaria spp.
Sclerotium rolfsii
Control de Patogenos
Trichoderma sp
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T. koningii: 70-90% de control
Aguacate- Phytophthora parasitica 80%
Aguacate- Cilindrocladium sp- 80 %
Citricos- Rhizoctonia solani - 90%
Guanabana-Pythium splendens: 85%
Mango– Colletotrichum gloesporioides: 82%
Lulo - Sclerotinia sclerotiorum: 70%
Papaya - Rhizoctonia solani: 90%
Papaya – Fusarium oxysporum: 70%
Mora – Botrytis cinerea: 70%
Tomate de arbol– Oidium sp.: 90%
PATÓGENOS DEL SUELO
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Trichoderma
Sclerotium
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CONTROL BIOLOGICO
Trichoderma harzianum
( Pythium, Rhizoctonia, Sclerothium)
Trichoderma viridae
( Botritys, Sclerothinia, Gaemannomyces sp)
Trichoderma hamatum
( Rosellinia, Ceratocystis, Sclerotinia)
Trichoderma koningii
( Fusarium, Pythium, Verticillium)
Trichoderma lignorum
( Phytophthora parasitica , Phytophthora capsici)
Trichoderma polisporum
(Cylindrocladium, Sarocladium sp)
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INTERACCIONES ANTAGONICAS
-Antibiosis
-Competencia
-Parasitismo
-Predación
-Hipovirulencia
-Inducción de defensas en el hospedero (IRS)
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TRICHODERMA VS MAYOR CRECTO
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TRICHODERMA PROMOTOR DE CRECTO
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Día 5 a 8 (p< 0,0001)
Cepas 41-TSM-1, T. viride y Trichoplant® inhibieron completamente el crecimiento
de la bacteria, comparados con el testigo que presentó 6.820 UFC/mL
In vitro
Tratamientos efectivos
41-TSM-1
T. viride
Trichoplant ®
Esterilizados por
filtración o autoclavado
En las mismas
concentraciones
0
1000
2000
3000
4000
5000
6000
7000
8000
1 2 3 4 5 6 7 8
UF
C R
s 7
/m
L
Días de evaluación
Testigo aboluto
19 TSM 3A
47 PDA 3A
41 TSM 1
Agroguard®
T. viride
Trichoplant®
Agroguard® autoclavado
41 TSM 1 autoclavado
Trichoplant® autoclavado
Testigo R. solanacearum 41-TSM-1 T. viride Trichoplant ®
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Cepas 47-PDA-3A y 19-TSM-3A
no presentan ningún efecto de
inhibición de R. solanacearum,
ya que igualaron y superaron al
testigo (2.920 UFC/mL).
Tratamientos efectivos
T. viride
41-TSM-1
Agroguard ®
Trichoplant ®
Testigo R. solanacearum 47-PDA-3A
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
1 2 3 4 5 6 7 8
UF
C R
s 7
8 /
mL
Días de evaluación
Testigo
19 TSM 3A
47 PDA 3A
41 TSM 1
Agroguard®
T. viride
Trichoplant®
Agroguard® autoclavado
41 TSM 1 autoclavado
Trichoplant® autoclavado
Día 5 a 8 (p< 0,0001)
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Raíz Rizoplano
Rizosfera
Vello radicular
Fermentación
Biorreactor
BACTERIAS PROMOTORAS DE CRECIMIENTO
RIZOBACTERIAS
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BIOFERTILIZACION Y CONTROL DE LEPIDOPTEROS Y
ENFERMEDADES
PGRP
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BIOMASA AEREA Y RADICULAR
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MALFORMACIÓN DE LAS RAICES DE LAS PALNTAS DE
STEVIA EN LAS MUESTRAS
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DESARROLLO BAJO CONDICIONES DE
CAMPO
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SANIDAD Y ALTA PRODUCTIVIDAD
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CAMPOS CON ALTA SANIDAD Y
EXCELENTE COMPORTAMIENTO
PRODUCTIVO