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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0 C. v1 d) J, | X: Qcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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How to identify Early Blight) ?. X; |6 M% Q' \+ y! p
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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 . W( \, k- A! V: @: Q
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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 公仔箱論壇6 z7 R5 V8 |1 {2 R8 z5 J
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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, 5.39.217.76" z- v3 z D9 j" e3 W, Z$ O
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leaves may fall off. Extensive loss 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。: t6 m& i, C. i9 Z! i
8 b, H \9 R! n/ h3 b0 I9 F& o4 u( [of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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: b- R6 Y& x4 E j' wHow to identify Septoria Leaf Spot5.39.217.76& p- X7 E/ h- v- b Z- H
4 J/ N4 T6 @7 \' S4 C6 OSymptoms of Septoria leaf spot also start * P8 h4 U+ N3 d4 i) [" W
7 G4 ?; c& Y$ v) \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。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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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
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Small dark spots, the fruiting bodies of the fungus
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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 ) H* T# y: c4 f
4 N v\" [( h! t2 G1 `: f5 {/ 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。infection of fruit is rare.
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, Q. O( x- Q ~0 `How to Prevent and Control Early Blight and 5.39.217.76; P. ]' I0 O% u7 i0 T; d; G, x/ n V
$ M- t) n' ]\" ?' N7 FSeptoria Leaf Spot
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( [+ n- Z2 s8 \4 X' r! ?Follow the 12 easy steps below to enjoy a
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.5.39.217.76( @" |+ o4 R0 D U
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Weed your garden. Some weeds, + h7 |4 r. W, U F! o4 K; k" ]5 i
% w8 W9 f+ i! {" qlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.' q; ?) d I9 |( r! G
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Rotate crop locations. Don’t tvb now,tvbnow,bttvb7 v# n% `/ u" S0 E' `; ]" h
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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 公仔箱論壇) W! ?$ M3 F" ]6 O3 g
5 d# T: f+ F, z9 i6 f6 ~where tomatoes were grown.公仔箱論壇, C9 X/ M y% { v/ Q1 `( I
5 o# i# \* `& F& Z3 h" m) M1 uGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
$ `* c. l2 f5 u e+ }2 Z$ L5.39.217.76Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 7 b7 g7 Z7 T2 w' m
* R3 G! S5 Y9 ?0 Afungus from the soil to your
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5 i( ]5 t8 ~$ C; ]5 L$ k$ i5.39.217.76plants.
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Stake or cage plants to keep them
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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
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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 公仔箱論壇' q. T8 h0 a' y8 W8 Y0 [
) a. [: ] i h% uspace above the soil without any leaves. Do not use
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* P' N! C* ~* `4 ?9 O6 _8 ~: B( h! ?tvb now,tvbnow,bttvboverhead watering. 2 P" [0 y; y1 ]0 G# w0 r- F2 Z
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
7 T2 B- }7 ?, Q0 G- h, s5.39.217.76Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 公仔箱論壇& y, g8 s0 x3 u% \
1 [7 f" G/ |- m5 m2 i! m" e4 Ofungus 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。" R; q. C6 |5 U
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wet. Keep your plants happy and healthy. Weak and stressed 5.39.217.767 Q2 ]( x8 T; n, E4 k6 g' K$ J+ | [
$ j! T5 ~1 A$ x: y7 L8 ?5.39.217.76plants are more susceptible to disease.
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# H9 F* _% [( d4 Y6 X+ E. B5.39.217.76Remove and destroy or throw away diseased leaves, both off the
- v+ \; y1 N# Z. @4 `2 ]\" 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。
; Y+ |\" Q, L1 {2 z. b\" 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ! N/ G, i$ O8 N, N9 `+ _
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enough. If a plant is heavily infectedtvb now,tvbnow,bttvb; D5 W8 o3 M% S$ E+ r$ P
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, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 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。/ B7 J8 J! u9 l& T* v
. I5 ~% w H7 B9 u0 v) M1 F4 ^- W: fto remove diseased leaves should be disinfected before being used on a different plant.
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# V0 o+ O, r4 O* Z; ISpray plants to prevent and control the tvb now,tvbnow,bttvb) g; k' f7 j) X2 \8 B1 i$ l- y
0 A; [7 ?, `0 S# f& u+ r/ h5.39.217.76spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 5.39.217.76 o7 y, o& t' {3 u0 Z
1 A' N1 s! @5 m; _ L9 n( X+ M# S4 Ztvb now,tvbnow,bttvbGreenCure.tvb now,tvbnow,bttvb6 `. ^& K8 G R2 k2 T
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. x, G( w; w) q) {! ~% s1 z& b B5.39.217.76Late Blight on Tomato Plants
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8 q: g3 L6 t6 Stvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇3 y0 \5 X+ X d3 U
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plants in a garden. Once a tomato plant
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5 X& n! ]* K1 @7 [4 j6 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb; ?2 r$ y. t; G& X
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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, x: {! `6 v( ^
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight 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。! b- S# h- ]$ ~, C; k
- ~4 N( w7 w& Q% V" x4 l# c2 q: e5.39.217.76Septoria leaf spot infections will also help prevent late blight infections. |