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 # E6 S4 g2 h* i2 E4 ^
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. , s# `) p- O3 ^6 A7 E' n7 O 4 r5 a9 b: `" |! A公仔箱論壇4 O, s: F( }( E1 ^% C( n7 I
How to identify Early Blight- D) {8 T& F: s
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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 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。: C) G6 i% G, o$ 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 5.39.217.77:88989 U+ o9 B0 j* N) h9 z
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in color and form concentric rings, or a 公仔箱論壇) J$ p6 _: j) \( o+ x& U( [
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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。, E9 R+ ?! Z% J$ p; w K
6 s6 i4 t4 |+ g5 p4 r: |* S公仔箱論壇leaves may fall off. Extensive loss 8 B# e* ]/ I& q0 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。 % k$ q( B& z# ^tvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit./ m$ G9 T1 [8 P0 w ?$ e
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How to identify Septoria Leaf SpotTVBNOW 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% H# H3 j6 Y& u9 S- g
, V" h% S8 e# G( p+ \: XTVBNOW 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。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。2 U. l" M0 E; p: {( S; Y W G
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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 公仔箱論壇- R# i' s, m; O# g
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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. 公仔箱論壇4 H7 v: W U7 {3 s( F+ }2 d K2 F
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。, [5 g9 c6 O' C' w
Small dark spots, the fruiting bodies of the fungustvb now,tvbnow,bttvb/ ~' ?9 M9 h' f9 i0 S
tvb now,tvbnow,bttvb+ {7 z\" I9 A/ F$ X , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 3 ]( }) K' f, v0 v5 ~( J& j5.39.217.77:8898+ M( \( @; ]" u( o, s5 U
and dead. Stems can also become infected but tvb now,tvbnow,bttvb) A- z6 Q1 ?- ?6 C
8 Y* q. j& Y3 C# aSeptoria Leaf Spot 3 i* Q4 _: e: |& G. _7 j. c) OTVBNOW 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 j$ c5 j5 r9 R2 ytvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a 7 W/ \# m' Y2 }) n
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ; v( O# o \$ B) B+ }0 I % }7 V: j% H: }公仔箱論壇Weed your garden. Some weeds, & X+ N4 n! J( J) 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。; R2 R+ ?4 l7 }; u- P4 c5 ?
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:8898 U. [" V/ \1 z0 ]: i& D$ R# F
- G+ P8 s$ z8 @+ X) ^# ?( gRotate crop locations. Don’t 公仔箱論壇6 r6 y( _3 ?# @8 C# C5 m: z3 D4 ~
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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 4 S t/ a5 E4 V2 l# [
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where tomatoes were grown. 4 Y) m; A8 R* H & N8 N; @/ V8 IGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb" y! Y# R$ A( ~/ f" `2 c
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread 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。! ~/ \" Y F: j, T- N* S
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fungus from the soil to your 2 y4 v/ U0 Q2 S& G$ n; _
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plants.tvb now,tvbnow,bttvb- e5 T& Z4 ~+ l2 z% O1 t4 C2 B5 H
# o& Z) ~2 y( [/ F3 Jtvb now,tvbnow,bttvbStake 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。$ d, T2 n# O, c6 |6 d/ p) s4 P$ H
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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 ' G) o$ V. T. u& c" ~ ) h f0 W6 e( _! A* Ctvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of & l4 A; O* I' [$ U' H% Htvb now,tvbnow,bttvb 3 `: S B; Y2 m# ], W7 D# 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。space above the soil without any leaves. Do not use q: k9 @4 S7 p# y, N公仔箱論壇* ~4 x/ p% l: {) ~8 u
overhead watering. - w. g `: g+ u& q5 {+ e$ f( a2 Btvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. - A: g( v0 F! E4 T9 M) v( ~0 a9 K
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 2 \' L# H$ \0 K% g2 H. a7 Stvb now,tvbnow,bttvb T* O, \6 z1 d- ^# Utvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 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。/ w+ F+ e/ P f: Z' ~3 Q
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wet. Keep your plants happy and healthy. Weak and stressed y* p+ J7 Q% U6 XTVBNOW 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\" N9 K m. T( z; k/ O/ P' fplants are more susceptible to disease. 6 c, B% S, W% o4 k7 M6 V5.39.217.77:8898TVBNOW 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 |8 m/ l3 K4 D- a7 C
Remove and destroy or throw away diseased leaves, both off the 8 T8 K9 t5 V7 Q6 i( Y$ N$ Utvb now,tvbnow,bttvb- O' H- b8 k7 Q6 n! `9 k
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early , k0 x3 B8 h ?4 h. R4 Q/ l5.39.217.77:88986 C% N6 P; l2 d! i$ q
enough. If a plant is heavily infected公仔箱論壇& O9 m I6 @- e, I
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& M6 e1 `! P: F# [\" l , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 5 v% N9 M. c0 I P' 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。5 \+ a8 h4 r- }/ C
to remove diseased leaves should be disinfected before being used on a different plant., N j `( N" J( i( X6 M% n+ C* i
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( k# m, s3 R, E. c" K
Spray plants to prevent and control the ( L* p% h |5 \: E- ~. j . F/ L4 k! M- ^# b- N7 s, \0 T; jspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb$ x. P& R2 ~# K0 ], ^
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GreenCure.( x" |& t3 i+ s5 ]9 i- [
" i' q" ^ f" W, r# n$ ^8 f F5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 0 O0 f: P3 M o3 n2 r% d0 N( z2 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。) s# |/ [3 w3 h( Q' f9 }, \7 o0 x plants in a garden. Once a tomato plant " i5 G' P1 }4 V; v9 K2 `% |$ \$ }公仔箱論壇5.39.217.77:8898. E2 y g! R/ I" r( I0 y
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb8 ~! y* A& w7 e" \9 L$ a4 {
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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 2 W2 W4 Y; I8 f& f$ S4 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。tvb now,tvbnow,bttvb* b; Z5 \4 J) a, X* B5 q, s) r can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and % C% k9 h7 n2 T/ h0 f: q
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Septoria leaf spot infections will also help prevent late blight infections.
