標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 1 m$ d3 H( j( G2 t3 N% `4 }5.39.217.77:8898公仔箱論壇8 T$ O3 O! n" i8 J: S
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 3 ?# `- B) D* d/ C& I; P) u4 ]% h% J. [0 C# b
- m" ]$ M1 F, R/ p( F& N; X公仔箱論壇How to identify Early Blight " P) i* q+ d; B2 _- L/ A+ lTVBNOW 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。) X# z! J& e4 Z
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to . @* [& s. @, c. s/ g! y6 F5 Q- z) M 7 @) N( ]/ j/ F, 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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown " p- s$ y1 j8 E, p! l* k+ mTVBNOW 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。tvb now,tvbnow,bttvb, b) T3 Q% }$ G, a3 V0 I
in color and form concentric rings, or a ( t. w k, m5 TTVBNOW 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。tvb now,tvbnow,bttvb# K9 f; @\" k, p4 y: k
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, , P8 M0 \6 ? b& |3 htvb now,tvbnow,bttvb: q& l4 [( \* E P leaves may fall off. Extensive loss % [7 N' S0 ]$ ?! h& n5 d* 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。& k- N: F6 i* n- g: ?& ?
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb+ W& J) D% S9 I" a# }
) ^* u5 p0 j4 {( `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。 4 S/ C2 M' r& \, g$ }5.39.217.77:8898How to identify Septoria Leaf Spot公仔箱論壇! y; R/ l1 O4 b( a! Q9 G
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Symptoms of Septoria leaf spot also start 8 ]2 {5 }% B5 J; B$ e8 Ptvb now,tvbnow,bttvbtvb now,tvbnow,bttvb6 w, {# {, M9 b! w$ U
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 7 f& I/ w! J$ | ' ~: M7 u9 {* ?4 W( \; p" R5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. % m3 F3 J3 `& D& Q ! k5 [7 F" \& t) J! L4 r公仔箱論壇Small dark spots, the fruiting bodies of the fungus 8 y4 a& ~% Q) ~- a9 ?, y( y2 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。, b. W8 P# D) c& w- T6 C , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry tvb now,tvbnow,bttvb0 ^/ t$ _2 ~. h; p4 p# g
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。) x+ ^7 V) j* G8 r' z/ O/ Z
and dead. Stems can also become infected but 3 t1 h! B0 w9 ? g6 o
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 H\" M2 ~- F3 V) x- _4 U
infection of fruit is rare.5.39.217.77:8898" S( k0 S) K' h* c# `6 h
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! G. b5 c4 i2 z1 j7 PFollow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb\" w5 ]$ V' t( a
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. # g. I x- r1 n" q公仔箱論壇5.39.217.77:8898. w/ f; b5 V5 ~1 V% t Weed your garden. Some weeds, 7 S4 V* I# a; n6 u9 ~tvb now,tvbnow,bttvb - w) {! q; ]& N$ t公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.0 U- t# Q2 h: X1 D; F& D
tvb now,tvbnow,bttvb/ D1 J! j" i8 U m+ e/ a Rotate crop locations. Don’t ! E0 s u7 { T3 d9 o4 ]公仔箱論壇公仔箱論壇" }0 \& s/ k$ [
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas + ?1 G& j* Y5 W) [2 b$ dTVBNOW 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。) W& U7 s) ]( A& H% p2 b* i+ C
where tomatoes were grown. ' g6 n V/ p5 [6 ^7 ptvb now,tvbnow,bttvbTVBNOW 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。5 u. E* z0 ?4 V; X
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。6 m& J( _. e* `3 p, g* s5 Y/ z
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 8 b# c) d4 f; h( {tvb now,tvbnow,bttvb $ Y. t7 r- y4 }3 q( m5.39.217.77:8898fungus from the soil to your 9 D: P4 @9 n0 J1 A! @
5 a& U% ^" p# E5 A: `/ ZStake or cage plants to keep them % A- R7 j! `, w" Z3 p& g7 ^+ Z3 w公仔箱論壇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。$ t, r& g# e: I
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and / N9 H; m- h( } e - r- Q1 [- _) W9 T# R. |cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 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。% q6 L, @9 d$ p& n) _% b
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space above the soil without any leaves. Do not use 3 v/ ^# _( L' ]0 q; Mtvb now,tvbnow,bttvb: g# r; M$ l; |
overhead watering. tvb now,tvbnow,bttvb9 c7 ?6 r9 A/ P: `
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 公仔箱論壇8 |% U7 q: F7 c
Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow tvb now,tvbnow,bttvb4 N% e7 o# T3 i; R8 p) X
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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 公仔箱論壇% ~+ f4 `7 `3 l) Q: s
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wet. Keep your plants happy and healthy. Weak and stressed 7 V6 h6 r' S2 G& I1 E% {( j- {8 Ntvb now,tvbnow,bttvb0 }8 x* T' G c6 F$ c2 Y
plants are more susceptible to disease. ! w+ W; G* M7 m/ U! D5.39.217.77:8898 * E( R/ L: z( A6 a5 ]5 ^% i+ l6 R( N5.39.217.77:8898Remove and destroy or throw away diseased leaves, both off the ) A6 l, f+ m\" ^2 I) m\" r5.39.217.77:8898% B# B& d; F) Y* p% q% `
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。7 u8 }: O4 X- U) ]
* _3 a- h9 {- h3 jTVBNOW 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。enough. If a plant is heavily infected公仔箱論壇8 ], @\" e8 H# k( T2 M) z# f6 _
1 K7 L7 A5 t6 l4 p* p: Z , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 7 Y# w. Y; Q( x3 Rtvb now,tvbnow,bttvb公仔箱論壇1 |& s, d$ y& ?( w# x
to remove diseased leaves should be disinfected before being used on a different plant. 9 e6 m0 b# `/ w$ q* p公仔箱論壇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。4 x5 c3 t2 }* R, @; U" |0 G
Spray plants to prevent and control the : f% o( s( z1 ~& `# [ , g8 f. J5 Q% A9 t6 {3 nTVBNOW 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。spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 0 }" `! J4 `1 R% w公仔箱論壇 ; o* x2 r+ N1 Ytvb now,tvbnow,bttvbGreenCure.5.39.217.77:88985 C& O! h5 L, ^5 g$ X
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Late Blight on Tomato Plants! h" ^# s& L7 ~! B0 g* x8 }
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 4 i5 ^) L# w9 m/ _/ E
) }0 f! A3 r5 _; Q! N. E公仔箱論壇plants in a garden. Once a tomato plant . K! p( L! S9 \4 k% {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。 7 [ X, C% m$ `( a& ]$ |& p: k8 ?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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ! R1 w" @$ _" T1 p
1 ]! K$ y/ c: l; x. F$ U3 ?tvb now,tvbnow,bttvbwater-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 # e: \& z' V& Q5 m8 }# wtvb now,tvbnow,bttvb, b- L) q- ^ q1 {) b can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and + S8 X* D( x3 Y" u4 E2 I( |4 B* @1 i5.39.217.77:8898 , L- z( R# G8 g2 }# YTVBNOW 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。Septoria leaf spot infections will also help prevent late blight infections.
