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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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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How to identify Early Blight5.39.217.764 Z$ p5 | o$ g1 G
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Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇' t" w+ H; I% ?1 X5 r9 X- w
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 0 _4 T/ f8 q+ T
1 |9 w) t- q ~( X: a$ G- H& Xin color and form concentric rings, or a 公仔箱論壇& \8 E0 \2 _$ E3 f
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 2 O) k( M7 K* G: D2 M* `/ N$ X- I
: O0 j* z! J. ?5 \% e1 Hleaves may fall off. Extensive loss
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# p4 P c- o9 e, T7 u% X/ r5 U( g6 wof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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How to identify Septoria Leaf Spot
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Symptoms of Septoria leaf spot also start
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$ Z' j2 p, d0 Y, _9 ?5 U" j公仔箱論壇on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ( q( W/ Y' |, H$ f5 a' @+ E
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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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# u* `2 E& ?) F2 z# kSmall dark spots, the fruiting bodies of the fungus
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6 f7 e' T0 c7 C. j* ?9 g# ctvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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- e& i' L) u" e: j8 L4 WTVBNOW 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。and 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。2 w. A h% w! O% a0 }3 _
! W* ]' J0 p. w7 [9 W4 \infection of fruit is rare.公仔箱論壇$ c! K7 ?. U, }* P( L% G) W
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; h. Y: ]8 \% I& \( ?1 qTVBNOW 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
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8 N4 t1 A, ?( o3 ]/ kSeptoria Leaf Spot
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Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb\" V3 G& h& o1 J8 x; m4 B* S
( {) C6 ?7 p\" g6 {. U* \long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds,
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1 g. O P: T; y, B" b! m2 qlike 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。; @! C3 l! k# ~) j
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 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。! s8 u. m R% H" n4 N3 D
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where tomatoes were grown.
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$ Y. U- {4 ^+ ?( r公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。9 w0 L1 r; G8 d8 U6 ~) r
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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! \& g& D* E& p5 l }. i. etvb now,tvbnow,bttvbfungus from the soil to your
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plants.5.39.217.760 J% x1 E, q6 N6 i& X9 v% V
9 l, D1 T% d$ 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。Stake or cage plants to keep them 公仔箱論壇( S+ _: g& }! R, x
/ ^* d2 ]; ^ Q: Z4 E公仔箱論壇off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
' k! L, w, ^0 G4 O! {- 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。
/ B3 z! q! A! F" sTVBNOW 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
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! E5 n" ^% @0 l) |# c3 _: ~+ P. F; k: rTVBNOW 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 % I5 z, k/ K: c) s: j1 b. p4 a
' ]/ e; O4 n. `overhead watering. 5.39.217.76, v* Y% l! N/ W3 \- x
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
0 P8 f9 y- F' c' z. C# E" ~tvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow
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6 I7 f0 b/ o, q8 G公仔箱論壇fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 4 y8 K! F1 d9 w, G8 B
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wet. Keep your plants happy and healthy. Weak and stressed 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。+ f! j* P- K, k8 F* N) Z, Z; w
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plants are more susceptible to disease.5.39.217.76; g' Q# x# @' V; p) W: R. e. E$ c2 n
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Remove and destroy or throw away diseased leaves, both off the - ]1 S$ _: m8 k7 r v9 r
4 Y\" |+ i% y. b! Y: d* k: dtvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb( X5 }& W: u# _; I8 \" b/ s
! J: K' `# W' s7 P; m' ^% }: ]公仔箱論壇enough. If a plant is heavily infected
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, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 5.39.217.765 ~5 j: z; M9 _/ f
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to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇8 q( S: q- ]. x$ E4 d6 r
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Spray plants to prevent and control the . T2 _& w# ~! a( \- W% `9 t
2 ~* C( T& e* Q' w* _spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try * ~ N p: ]' W. S+ d, _/ C
# w* M: f _3 W4 B8 y公仔箱論壇GreenCure.
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$ f$ o/ U/ a! H# u5 btvb now,tvbnow,bttvbLate Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ) ]* L7 u5 l, W
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plants in a garden. Once a tomato plant : f0 m6 v% b6 l" K0 M/ @9 S
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5.39.217.76# f8 ^; q- j4 N, `
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water-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 blight
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9 S& ]8 \- g9 Z. W: t3 W can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 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。- L, e4 E4 Y4 a4 R
8 ^7 S. T; G; g( WSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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