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.
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# n, A2 U, B: y5 `* G5.39.217.76How 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 5.39.217.76, a X* a1 n: v. h$ D
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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
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; X8 E- U3 T8 y( \4 k3 Btvb now,tvbnow,bttvbin color and form concentric rings, or a 公仔箱論壇0 d: W7 r P% p\" m) w
# y7 k5 E f6 M+ Ytvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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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。6 h6 A8 p5 X6 K5 q( I7 o) f
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
5 S4 a% k6 k( _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。4 E& G/ R; O7 |: a! Y
3 W9 I& d4 x+ A) {( 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。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。; _# g. V1 ^% M+ ~% \# d% x, w
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Symptoms of Septoria leaf spot also start ) C! r& t( C V, \
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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 5.39.217.76+ A4 c& S* ^ W
' Q7 }. Q% J1 [2 r9 z' \shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 6 b& k S7 {: [. w) ^) Z
5 J+ T1 ~2 c. E6 bSmall 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 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。0 R# p, d' E3 y# ~, S3 {# L F
1 O ^3 `: \) p4 C- w+ I: ^5.39.217.76and dead. Stems can also become infected but
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infection of fruit is rare.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 Y; a. E) i+ g
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How to Prevent and Control Early Blight and
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- B' A: w, I. p7 O' U0 XSeptoria 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。8 V; v) S' f' @# M) U
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Follow the 12 easy steps below to enjoy a 5.39.217.76) U+ G, z7 d5 i; I+ e' o* j' H
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, tvb now,tvbnow,bttvb/ z2 [8 I2 C, J# Q9 c2 ?
3 q# o( t( r3 r& ~公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.! l' Z O3 z' f5 D
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Rotate crop locations. Don’t
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: I& L- N+ o; y3 B. p. xplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb6 @8 B7 V9 c; |
/ {- d! o1 L8 @* V5 ewhere tomatoes were grown.
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; W3 L. N% h2 ~5 y3 R1 x, b& z) K5.39.217.76Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇4 v& B$ ^7 z8 N2 P4 {& H
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.76% v0 {+ r; Y, E2 B x
3 I# o$ v' X( ytvb now,tvbnow,bttvbfungus from the soil to your 公仔箱論壇( D6 x: Y& ~+ Z
1 |8 Q6 [" i: [8 n公仔箱論壇plants.公仔箱論壇) t2 X$ m$ @/ a* m7 g2 ~8 P8 v7 R* p0 M
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Stake or cage plants to keep them 5.39.217.76( Z. P0 D$ S* @+ W
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。( j6 b$ l& P1 E8 C
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
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* `- `$ E1 g# F: k8 qtvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use 5.39.217.76( K! I7 Q3 O$ L; p# f0 i
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overhead watering.
5 ^& e9 P* G' J2 Y7 }1 ?Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 7 c& C' c, n% v3 y+ k2 q
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 ; y1 g, G) {4 u9 N
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fungus 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。& s3 P: |6 Q7 A+ ^# G
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wet. Keep your plants happy and healthy. Weak and stressed \" m\" S- S7 y1 b5 j1 Q
0 ^; T; G( T+ {3 @6 N, {! Nplants are more susceptible to disease.$ r" p5 A1 @/ z' }4 q+ {; r
9 k( m- w+ R$ Y4 Z5 ]# W公仔箱論壇Remove and destroy or throw away diseased leaves, both off the ' z+ S- a; f W/ F5 U; U
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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enough. If a plant is heavily infectedtvb now,tvbnow,bttvb/ G; M5 z3 ?, r- i
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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
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" O/ l# [* O6 G# a3 }公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.
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( I1 r/ ]' E8 B- r# Y+ O9 ?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 公仔箱論壇) m Q6 H* f% C. [" \
* e3 [. |' a1 Z# G: tGreenCure.
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" {( d: V) {; |- Otvb now,tvbnow,bttvb公仔箱論壇0 _) T3 K5 J( Y+ N9 S
Late Blight on Tomato Plants# c" X6 C4 m X) ?) g* K8 l! }
% m% u; D/ v3 Z8 ULate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。( {$ ]! q9 H: \' R8 t" M
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plants in a garden. Once a tomato plant 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。; ~6 |6 v) K: S/ K% n& w6 f
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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; o$ v4 {- G3 M* x4 ~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 blight5.39.217.76) H% Q2 T2 M- J% Z
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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0 B! K$ }: v8 [3 G: G2 l$ 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。Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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