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 ; W9 h- Q; o- U# `5 R X3 ~3 Rtvb now,tvbnow,bttvb5.39.217.77:8898; J# w) i. U c3 Y' {
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. / i- F# p0 g- c3 }# D5.39.217.77:8898 ! n! Q7 m3 {( x8 A6 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。5.39.217.77:8898$ I% D5 f2 d' r: _2 [ L- j
How to identify Early Blight 6 y& V3 M" g6 f' B: 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。 % r% J/ f2 Z) C: m8 ^3 S+ Ztvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 5.39.217.77:88980 h, q/ f6 b4 {# G8 W2 F/ [6 c) m7 E- V
4 m H* B- r5 j9 w' Rtvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown % c/ [' w6 L/ m) m, u A* X e* m8 hin color and form concentric rings, or a % p( U3 c, ~5 v& k8 K6 H y, Z! H! Q2 O# g1 kbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, : U! f4 Q! 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。 Y3 |8 L5 U) H I J+ w5.39.217.77:8898leaves may fall off. Extensive loss 5.39.217.77:88982 s* n+ g; g' ^2 k7 n# x. a
/ H. g8 J3 Q( B9 s- d. e/ Fof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb& Z$ ~3 b8 H: o; y( M8 D* C3 r0 j
# L5 Q+ i: m# z2 ?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。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。+ }% g% a8 p+ R" W* h8 w
How to identify Septoria Leaf Spot2 x% ]' Q) ~+ v8 B
5 K3 r. t+ f" n2 W, [Symptoms of Septoria leaf spot also start 4 e2 O0 k" H% W! \0 J) I8 b 0 W+ f; [1 w& f2 Q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 % d) x4 {2 z' L! S& T7 [3 [% g公仔箱論壇公仔箱論壇3 s; Y8 Q, b, J+ V3 Q
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. I8 a# Z3 O) Z: ztvb now,tvbnow,bttvb0 T9 N; F% d2 A* l
Small dark spots, the fruiting bodies of the fungus% ]) C! {0 t W5 C l7 l/ h# Z
# v5 N9 Y& B9 `6 Z6 p& h , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 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 i+ h% m( q! V0 \* ?- t
8 ~: u3 ^7 m2 l. o _# S5.39.217.77:8898Follow the 12 easy steps below to enjoy a : u. I' F/ S9 r+ X* W- g6 ~$ 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。tvb now,tvbnow,bttvb; S\" U, N a$ q; b
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.- P$ K2 h W, U! p& J) K
, S: K' R8 s4 F( K4 ] Weed your garden. Some weeds, 0 b; Y5 C1 y3 v+ T/ D
公仔箱論壇( U: T# ^9 P/ F) V8 U4 ~/ }
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. : h$ _9 U, t( |: @4 U2 q. w公仔箱論壇 4 A1 ]( D) b7 c' ?& _4 r0 f& W5.39.217.77:8898Rotate crop locations. Don’t 5.39.217.77:8898) m& K# n3 u }7 B0 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。/ h4 r( w+ o8 H) ^: w, N, O) i8 B
, z9 G+ Q2 ^1 G& X公仔箱論壇where tomatoes were grown.$ l0 J7 X7 X0 T0 D+ l$ C9 t
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.( @1 G( Q/ B! J
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇# d2 |$ a& s+ F! u( m& r5 b8 u
0 J4 |" g& p! rfungus from the soil to your y% W' @6 D5 `$ O/ M& |
( \2 R. F0 D& e: H* z5 _6 m; Rplants. % N& \& q" A9 N. D% T6 k: J( E公仔箱論壇 ; V: A, g0 V* T* ?- a. X$ pStake or cage plants to keep them / t) @. C+ {: {+ b3 J) m: b. [
" y* _* r+ a& Ctvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 公仔箱論壇" }1 a" ~+ R7 @
/ m1 P1 h: m$ ~) \% T5 V( qtvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 公仔箱論壇1 F" G, D z ?# m+ n
5 T4 s/ w! M7 J0 X0 D5.39.217.77:8898space above the soil without any leaves. Do not use . ^+ ?4 a. I) H: _0 V) Itvb now,tvbnow,bttvb公仔箱論壇5 O) X- @2 \% V' A/ y
overhead watering. 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。1 {1 ~" z* V% Q% T) K, e* C
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; G8 {1 V# I0 C' S' S8 ?. p9 V
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 " a, F7 t9 o# u T2 J1 v$ L1 ?6 x4 v, F8 v
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are . ^. A D- ]3 g: z9 b( E公仔箱論壇公仔箱論壇; z/ F, J4 y, |( [
wet. Keep your plants happy and healthy. Weak and stressed 8 ~7 P& j. ^$ j' g J; K- y' ttvb now,tvbnow,bttvb 9 S6 \, h( ~. D; [6 ]# n6 B5.39.217.77:8898plants are more susceptible to disease.* r. b6 l5 Z& c Q2 _
1 Y( p4 a/ U/ G+ P/ gTVBNOW 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。, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used I3 z# @9 I) K& t" M! E% p . P h$ j7 y8 H: y公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.. I; @" u$ N# M l- R. U' k
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Spray plants to prevent and control the / D0 [; x$ c* l1 Y% f% o' Y; S' v# y: r! i6 i @) M
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ( r. Y% u) M: M% P0 P; PTVBNOW 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 J9 A/ a2 f8 V" T! N$ o
GreenCure.公仔箱論壇4 h. m6 d2 y: X x3 l5 b2 l, `7 W
公仔箱論壇" C9 g4 e) N# Y; w; S; O+ _
3 G6 j4 V5 }& Z6 F f [+ _* q5 |' K& ~公仔箱論壇Late Blight on Tomato Plants) f& y" l: d5 ~
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 4 O% Y) e, y5 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。 y9 |: p( W; ^ _+ vplants in a garden. Once a tomato plant # O' o' }7 B A, v# ]5 q! a5.39.217.77:8898 & K& ]) G) n* g5.39.217.77:8898is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, : \. S1 i! Y y- E H% p/ 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。 + q! A; g/ j5 r# {$ [5.39.217.77:8898water-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 blight 5 [- V9 o- y* B8 u. 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。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。' G/ h/ C' E# k/ ?( S5 c7 O can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and $ O% E' q/ ^: T; h# L1 p3 B
5 J5 S2 U/ @5 B5 x. s' @; p5 [tvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
