Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but
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1 ~2 u8 E) d4 a5.39.217.77:8898can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb C/ D* k0 ^- K k N4 A- n% `
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' j' B! | k4 g! c" }4 `How to identify Early Blight
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9 y3 k$ p V: U) q& eSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" v% s5 T/ k3 Y6 R- I: s
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。8 L% x, J; A* e/ X: x/ b3 {- a
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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$ T% P: }0 p3 O5 j4 p% ^5.39.217.77:8898in color and form concentric rings, or a 5.39.217.77:8898, z+ {7 ]\" Y# ?+ ]\" o& D( K6 L
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, , X- t7 f, P0 c* e* J6 c) t
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leaves may fall off. Extensive loss
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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; I: @; j* o! Z" q" }How to identify Septoria Leaf Spottvb now,tvbnow,bttvb/ X# y' q) B- e- R5 c
2 J0 i8 f" W6 t& \Symptoms of Septoria leaf spot also start TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。$ d# n2 @' g8 l2 @
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on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
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4 _" s/ e1 R* S4 X6 ~& B3 ^( z7 {8 C5.39.217.77:8898Small dark spots, the fruiting bodies of the fungus公仔箱論壇/ l C* l/ _& H1 _\" Y
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 公仔箱論壇0 s. c$ d/ }7 o$ Z5 Q9 }
9 M: H# ]( G7 E. {, h# ^4 N* h5.39.217.77:8898and dead. Stems can also become infected but TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。3 E# g) L9 G# P; ~0 N\" }
, o4 T5 J) N1 B8 h8 p5.39.217.77:8898infection of fruit is rare.
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4 v3 p& b$ N6 ]# ^* F9 n& ]7 VTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。How to Prevent and Control Early Blight and 0 A+ s* d/ f, |3 B! L
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Septoria Leaf Spot
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5 ]" F7 v$ i' j7 z: c& c2 pFollow the 12 easy steps below to enjoy a : p# ~& z2 }\" P/ k! S& p% J% t
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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! p8 h1 F) L' w, Z/ \* {* O. t公仔箱論壇Weed your garden. Some weeds,
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/ y: ], p$ c# Q" n- [' Plike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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Rotate crop locations. Don’t TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。6 q4 z) q; ?! e7 q b6 G. B
3 T7 t; @& ^4 a* y* Xplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 公仔箱論壇) g# U' H) o1 f* f
3 a* w9 m$ D. y# h. M4 O公仔箱論壇where tomatoes were grown.! X! B H9 l* ~+ d
5 ^+ K# w4 _1 |* ?+ t# BGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.5.39.217.77:8898" ^# o' h0 d1 s3 s) n! h+ L. z z
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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fungus from the soil to your tvb now,tvbnow,bttvb6 P) `" U% t' |" L2 D
0 P& p7 d0 i( k+ [" d5.39.217.77:8898plants.
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Stake or cage plants to keep them
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
1 C+ I. {! E1 j- q4 F# C% `/ UTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。
# A$ K L, R% M: F Y. S* N公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
3 Q- @7 z* n6 j; Stvb now,tvbnow,bttvb
l4 [) Y6 n- hTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。space above the soil without any leaves. Do not use \" J6 k( ^+ n( k' p
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overhead watering.
5 W# d/ M) ~+ Y8 @1 B: pAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
# E/ C7 C/ t0 @8 N$ | AConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ' A2 l6 A. k* |' [$ g: B
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are , N: G8 P" ]* Z) _) ]* [
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wet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.
1 H; @( e& f, }3 t- ]8 cTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。
& H8 X7 E- |4 Q/ R公仔箱論壇Remove and destroy or throw away diseased leaves, both off the % i1 R) o# P9 w& P/ L( d- T
/ E! D\" a/ N; V1 B6 [( uplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb( a' }# ?; Y/ H3 r
- C8 F4 e% P, B/ l5 T8 T6 b公仔箱論壇enough. If a plant is heavily infected% d; i- H. O3 Y9 R* v
* _ e$ U# c, Y\" g. m: s2 z' k, Ktvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
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to remove diseased leaves should be disinfected before being used on a different plant.5.39.217.77:88987 A. L5 l b T9 n1 [; e
- ^) s) k/ U7 V8 `公仔箱論壇Spray plants to prevent and control the $ s% W7 Y' k. D- F
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ' L, V/ B' H" V5 A/ Z4 D
+ o! d- Z f! o9 z) S! ITVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。GreenCure.6 u% s% i8 C1 ~! E. V' u
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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plants in a garden. Once a tomato plant 5.39.217.77:8898" [* K2 H6 J2 q
# P( {7 X4 @2 N8 a! ais infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇7 W& r% @. T6 W6 d, A) ]
1 L5 J5 b6 U* W t4 W2 d* m5.39.217.77:8898water-soaked spots on leaves and stems that grow and turn dark brown or gray. A white downy growth may develop on the underside of infected leaves. Late blight5.39.217.77:8898 e; L' `0 x& H+ G. Q; p
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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2 w% ^" w$ g! N6 J2 C/ @% i5 P7 i5.39.217.77:8898Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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