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.tvb now,tvbnow,bttvb: R+ p8 M" d* T) v5 s5 u* S4 `
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* } @2 |) N4 F$ y! ]How to identify Early Blight
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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
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* W1 H U# \$ ]8 ~/ v& 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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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in color and form concentric rings, or a
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5 P. E& m4 h; O0 i( s( O
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leaves may fall off. Extensive loss 5.39.217.76, k% d7 l' s9 @
, C$ f! `! C: H( a* \, v+ H$ B) g: \公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb, G, u A I( `- {6 g
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9 L& @# N; `) n9 xHow to identify Septoria Leaf Spot公仔箱論壇8 G# l% s# G3 G- U4 l* o
/ }9 l0 X& M9 x8 [. nSymptoms of Septoria leaf spot also start
1 @' n; @+ {6 o) Y公仔箱論壇5.39.217.76# ^2 w3 B' Q& m* \
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
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$ v9 n( Y6 Y/ v+ ^- S* S% e公仔箱論壇shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 2 T8 i$ \; l, z+ |7 H' e
/ C! U% G: i& P% T/ R* }" h9 \; f/ p; E公仔箱論壇Small dark spots, the fruiting bodies of the fungus5.39.217.76* S# [% W/ s\" O
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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and dead. Stems can also become infected but 5.39.217.76 @6 o, L( u N
( L0 x1 n# s- a; [* ninfection of fruit is rare.
* [! s5 z! H; r- U0 k S0 \5.39.217.76TVBNOW 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 o8 v4 m2 f' b2 w
/ m2 M6 ?& Z! K" t公仔箱論壇How to Prevent and Control Early Blight and ' c/ v' t& d7 k; G! f
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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a
5 }' H4 \0 Y# g, p. X\" C% 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。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 i: O. r1 S1 C/ H
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, 公仔箱論壇3 v: V/ Y) R+ C7 X( \! ?* \
2 h% b4 I/ V" Vtvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.+ w" V0 k# \! k7 @5 L6 ?% L- _0 ]
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, z$ \% O5 y+ o
Rotate crop locations. Don’t
0 J; h; T* o# ?; E5.39.217.767 [/ b1 [" M7 N2 s% p, ^" ^1 K) v$ Z. h
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb% `- j4 T/ z6 W7 `" j- c( @
8 N( M4 n9 O8 X) I5 ATVBNOW 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。where tomatoes were grown.
% f8 R6 F3 v/ @4 n* d3 p6 r. Y+ F( J公仔箱論壇5.39.217.76/ {# l; Z0 @6 k, k: ?. V0 W3 P2 W( p
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.! Q5 \) S+ Y& H5 U7 `* B$ o0 L4 t
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of * J: N& T* _ I/ i v1 a4 M/ f
5 X; H+ j! A+ x7 l9 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。fungus from the soil to your " a7 k9 z, G$ r' m; F( J
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plants.
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$ ]+ l' w0 y5 l' gStake or cage plants to keep them
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: l0 u4 U! a" K: x( X; v& Xtvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes 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。* p* C+ _' T' v" u3 O0 D0 z @9 [, g; u
- i4 Y5 W7 M: s @0 E* Z: mcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 5.39.217.76$ ^ M# @; _% }) |* |* v
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space above the soil without any leaves. Do not use % J' E0 z- V* [7 y, Q
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 t$ s0 y# d6 i8 Y0 M
overhead watering. + E A" u- T0 C( a* D: s/ u/ ^
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
+ e7 ?" [$ L P% m公仔箱論壇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 5.39.217.76' v+ o1 A. v* b- y1 b
; ~$ L. ~" d0 {! jfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are
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" Q8 g' d( n1 a) K" _& {wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb- b! K2 i( _2 b
3 ^! A3 f) O7 {tvb now,tvbnow,bttvbplants are more susceptible to disease.公仔箱論壇4 N1 s1 {' Q2 N3 s
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Remove and destroy or throw away diseased leaves, both off the 5.39.217.76+ |9 {7 s: `. q
\" n+ f3 O/ g. B5 ^4 f\" R! aplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ) V7 w6 A7 c5 ]; F
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enough. If a plant is heavily infected
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' U3 j: ]' }' o; W\" A/ |5.39.217.76, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
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to remove diseased leaves should be disinfected before being used on a different plant.
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. C. k' _2 B/ T+ ~" Q. A5 g. 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。Spray plants to prevent and control the
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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0 Y) C* A N5 d( |8 C! o公仔箱論壇GreenCure.5.39.217.763 @- w% b. h+ c. K6 C% X
9 _/ y3 x! B: }5 }+ ?% Y5 X; _$ Y- }公仔箱論壇tvb now,tvbnow,bttvb- G3 u& g/ C5 p
Late Blight on Tomato Plants
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2 i+ M% ?; u1 I4 d) Jtvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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% H! N* I9 B E w* Y- W, Aplants in a garden. Once a tomato plant & t6 ]2 a8 ]1 O& F
z7 l$ g+ o5 G" W6 D公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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' Z* L0 A/ D# z8 C; ?: h' k公仔箱論壇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 blight5.39.217.766 i; o, H5 w4 d9 H
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
# H8 D/ c3 ~8 j5.39.217.76TVBNOW 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。8 X, a8 G3 o6 x) P! h" p
Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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