Guide For Tomatoes

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T O M AT O E S Disease Cycle Gray leaf spot often occurs during the first true-leaf stage of plant development. The fungus remains viable from season to season on infected plant debris or on other plant hosts such as pepper, horsenettle, etc. Infection may occur in seedbeds or in field-seeded seedlings. Conidia serve as both primary and secondary inoculum and are disseminated by the wind or during transplanting. Symptoms may occur within five days of infection. Conditions for Development The optimum temperature for spore germination is 78º to 80º F. Spores germinate quickly under warm, moist conditions with extensive growth in a single night. Optimum temperature for sporulation is 73º to 80º F. G R A Y L E A F S P O T 45
G R A Y M O L D 46 Gray Mold – Botrytis cinerea Symptoms Sporulation of the fungus from infected necrotic tissue produces a fuzzy, gray-brown appearance. Lesions may girdle the stem and cause the plant to wilt above the lesion. Lesions on fruit are typical of soft rot with decayed regions. Skin ruptures and sporulation occurs in the center of the decayed area. T O M AT O E S
Page 1 and 2: Disease Identification Guide For To
Page 3 and 4: T O M AT O E S Syngenta Crop Protec
Page 5 and 6: S E A S O N A L C A L E N D A R 4 D
Page 7 and 8: T R E AT M E N T S Treatments
Page 9 and 10: Actigard Recommendations for Tomato
Page 11 and 12: Bravo Weather Stik Recommendations
Page 13 and 14: The combination of certain environm
Page 15 and 16: Quadris Recommendations for Tomatoe
Page 17 and 18: Quadris Opti Recommendations for To
Page 19 and 20: Revus Top Recommendations for Tomat
Page 21 and 22: Ridomil Gold Bravo SC Recommendatio
Page 23 and 24: Ridomil Gold GR Recommendations for
Page 25 and 26: Ridomil Gold MZ WG Recommendations
Page 27 and 28: Ridomil Gold SL Recommendations for
Page 29 and 30: A N T H R A C N O S E 30 Anthracnos
Page 31 and 32: B A C T E R I A L S P E C K 32 Bact
Page 33 and 34: B A C T E R I A L S P O T 34 Bacter
Page 35 and 36: B L A C K M O L D 36 Black Mold - A
Page 37 and 38: B U C K E Y E R O T 38 Buckeye Rot
Page 39 and 40: D A M P I N G - O F F 40 Damping-of
Page 41 and 42: E A R L Y B L I G H T 42 Early Blig
Page 43: Gray Leaf Spot - G R A Y L E A F S
Page 47 and 48: L A T E B L I G H T 48 Late Blight
Page 49 and 50: P O W D E R Y M I L D E W 50 Powder
Page 51 and 52: S E P T O R I A L E A F S P O T 52
Page 53 and 54: S O U T H E R N B L I G H T 54 Sout
Page 55 and 56: T A R G E T S P O T 56 Target Spot
Page 57 and 58: W H I T E M O L D 58 White Mold (Sc
Page 59 and 60: Syngenta Seeds R O G E R S
Page 61 and 62: T O M AT O E S Variety Description
Page 63 and 64: T O M AT O E S Variety Description
Page 65 and 66: Abbreviation Key: Fol: Fusarium wil
Page 67 and 68: T O M AT O E S Syngenta Resources S

Guide For Tomatoes

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