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 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。( `% k) q' Z. O- J% f
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.www.tvboxnow.com1 Z& Q" f( ~/ p C
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) e5 N6 C$ N* N. E: u1 Z# stvb now,tvbnow,bttvbHow to identify Early BlightTVBNOW 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。. Z" E* x" f& w; r+ `! U
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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 tvb now,tvbnow,bttvb0 n; z* ~) Y* w3 N. K
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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 5 u' g6 u! f4 n$ B& T$ V Qtvb now,tvbnow,bttvb 6 F }% t P" {( q) k6 t5 Y0 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。in color and form concentric rings, or a 公仔箱論壇& i+ _5 ?* k& o9 U
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5 i8 f8 t5 p M8 i$ u. @ S; Q' s/ p6 e' t/ D* |4 Gleaves may fall off. Extensive loss 8 \6 i8 b5 b8 t* v* vwww.tvboxnow.com) S J6 H5 _* q) N, q! B$ ] \2 c% q
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇* h* ^8 C! A- S& Q' W4 h
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How to identify Septoria Leaf Spot & M( ]. {# G7 o' ZTVBNOW 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 e9 e. P* t, O* d- J
Symptoms of Septoria leaf spot also start 公仔箱論壇+ P; j( }' C$ b
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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 9 y$ N' x, W2 O, _. X$ u5 `( c6 R: r 0 ~1 B; A" j% c/ utvb now,tvbnow,bttvbshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ! o: |4 \, B, Z4 c' D$ t7 J公仔箱論壇tvb now,tvbnow,bttvb* f1 M6 A/ I. m1 v4 N* b6 L
Small dark spots, the fruiting bodies of the fungus , ~5 x4 O: i7 Z) k3 ]' Y0 t0 B) kTVBNOW 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。 ) Z1 q& k& Q! D/ A$ Z, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry + w! j! [7 z8 Q% G" d9 V: S
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and dead. Stems can also become infected but tvb now,tvbnow,bttvb0 s9 G3 O; A- Q
! Q0 {# i5 o% T3 P% s$ s公仔箱論壇Weed your garden. Some weeds, 2 _( {' M% ?$ z3 s* a6 L3 m- i
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 6 g5 K% S& A$ q# @$ ?公仔箱論壇/ `2 m% [* U$ a1 F/ k1 e. ] Rotate crop locations. Don’t Z, [& Z! Q2 s+ V! [公仔箱論壇www.tvboxnow.com9 g" \, v* B3 }5 h1 X
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ! d; ?8 O7 o4 g) j$ C4 ]www.tvboxnow.comwww.tvboxnow.com! M+ ~+ d6 x1 |) |- h0 e3 }
where tomatoes were grown.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。; Y) o F. \% b: }. k
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.7 r, {) `9 P3 T5 t
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of + J$ N% n3 E! M3 M- K1 d
! l* M* L/ x0 b- a7 \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。fungus from the soil to your 5 O) z& y7 q Q4 \7 Q
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plants.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。' F1 q( f T9 Z, J2 @
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Stake or cage plants to keep them 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。# o- }' l4 y$ w- o, G
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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 tvb now,tvbnow,bttvb* ~6 ]' q! ?$ h, s7 q3 h
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cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of , k# t4 R2 W% A* m, |* X7 Xtvb now,tvbnow,bttvb公仔箱論壇4 P6 _# D$ s; l( b% {8 l+ q
space above the soil without any leaves. Do not use - O) c# T7 [. d: {- j4 M1 j& 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。6 I- o0 V\" f0 K+ d: x0 U
overhead watering. 0 y; X5 e" J6 ~' 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. www.tvboxnow.com2 \9 [0 b6 B; w j% G! z0 X
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 : j* i2 z9 N4 N9 ?7 F [# Z3 _8 V
5 \3 c* @7 y! g+ R3 Ftvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are & r7 f7 @ a1 C4 L' }8 ^ % A6 e8 N8 C" v+ i1 k" b2 I* vwet. Keep your plants happy and healthy. Weak and stressed 7 t4 O; R( L$ t' q9 P' E8 |8 t* ~* f ( L* }+ ~ z' I. i公仔箱論壇plants are more susceptible to disease.公仔箱論壇: T+ e+ t/ }; l P! Y( D' _# b$ v
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Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇4 B$ ]\" v; U( p0 I\" q e
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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。: Y3 f' d: A) K# m$ ?) n
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enough. If a plant is heavily infected ; k3 X6 `5 ~, U6 l* ~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 X, I% k- C- mwww.tvboxnow.com, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used % Q2 v( x, _) H7 _2 r5 h公仔箱論壇www.tvboxnow.com% `, w; T6 u4 _( G( _8 ~
to remove diseased leaves should be disinfected before being used on a different plant. 3 V0 }: e* G- I/ t7 J( n 8 P6 n2 a# n4 }- [5 |公仔箱論壇Spray plants to prevent and control the + B @* i: s. }2 r' S8 U公仔箱論壇公仔箱論壇. n8 n. w) E9 U$ {# D' i0 C
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 4 J0 q$ l* T) Y9 b; X* |' r* B. xwww.tvboxnow.com , c/ Y( K4 r$ V8 H7 y$ W, s- ~公仔箱論壇GreenCure. . ?- B, Q" `/ r- b0 `tvb now,tvbnow,bttvb& l( y) C4 ?) \- |- }$ f' |1 r
& W, ]1 G2 i1 _2 ]+ d2 g; U7 pwww.tvboxnow.comLate Blight on Tomato Plants ; P& ~2 c* l: Q# p& |4 ~公仔箱論壇公仔箱論壇( M! B2 E2 Z( g" T; M
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato * I& T$ `3 ~/ T2 f
8 n" b+ \# |# U1 o+ ztvb now,tvbnow,bttvbplants in a garden. Once a tomato plant www.tvboxnow.com" l- ?7 [6 @" u* r+ l0 k! f- f
/ ?* w' m$ S" E( qis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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。$ N( ~1 m* \3 ~; d$ C
' x; l; X' v; `6 u+ j& `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。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# C0 V+ m' ~# v w
tvb now,tvbnow,bttvb& n/ u& ^( ?0 ?2 n2 g can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb: ?! }# S$ |: R* P; P
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Septoria leaf spot infections will also help prevent late blight infections.
