[生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants

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Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇# ]. p' g" L9 J& t  k2 V

$ `# n* p7 n& Q# 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。can 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
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1 a; Z! T, p4 [7 ]# wSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇- A. i" P* b5 T/ k$ G: ~

# S" {1 g4 `+ q8 J' e5.39.217.77newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb/ s3 p3 N4 r% ]7 w4 y) K
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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,
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leaves may fall off. Extensive loss
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5 t" ~4 E2 h2 s4 H: `: _/ S7 q5.39.217.77of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇' K4 I" w& ^9 f# t
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5 ]% g- ^; K" y$ a: J2 ftvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot
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. x& c7 u$ k9 V" z1 _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。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。) {* C0 E1 l, j5 v8 E' D# O5 u& \

$ k5 j8 L& q* G0 U% l5 i: Aon 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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' P: R. i$ N! U* q0 ^1 }shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. $ V8 {' B$ {% K8 q) a* r3 ^
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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 5.39.217.77- O% ]% O& z) P) g
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and dead. Stems can also become infected but + G' P& J3 z$ n: z2 Z) Y& c

9 P1 L* q1 R! k/ S# k5 Iinfection of fruit is rare.
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0 i) w2 U3 a5 G% M! Htvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and
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4 \/ L! r# Q$ g5 ^2 t4 NSeptoria Leaf Spot公仔箱論壇8 R/ V" h8 N  ^7 B& I5 f, V8 S& d

) Q. Z& C0 u! p& L6 }: l( p; CFollow the 12 easy steps below to enjoy a 5.39.217.771 l. g, s9 z) f9 U& c$ e6 X$ h; C
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.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。# o7 U7 I2 x/ z

8 ~1 f: b3 M- X: 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。Weed your garden. Some weeds, tvb now,tvbnow,bttvb: ^6 y& X9 F( ~# V
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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1 R1 K9 v" Z# n2 p. [4 p: S0 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。Rotate crop locations. Don’t
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/ ^/ F: ~6 F: o4 ~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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas
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where tomatoes were grown.tvb now,tvbnow,bttvb9 Y4 v5 l" A7 ?5 ^! h! h7 ?9 z
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
4 U* U' n3 t8 h% {公仔箱論壇Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb, b3 j: ~' g3 h/ l1 @

5 F) e: n8 g0 ]4 u$ l: k$ K% m5.39.217.77fungus from the soil to your 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。8 ]. W" w: O% G2 v
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plants.
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0 _4 k0 Y3 K! p; k- a6 Ftvb now,tvbnow,bttvbStake or cage plants to keep them
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9 m0 g; z* C9 \off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb! C3 U. W7 |) T# r5 T
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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
3 l1 S+ A  |* m) HTVBNOW 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 w& p! r- j  @+ mspace above the soil without any leaves. Do not use
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overhead watering.
6 D4 d  J+ d8 _* \3 Y5 h公仔箱論壇Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 1 z1 y0 d0 B; j: y8 ?$ ]
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
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) E# h% \* f, h" [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。fungus 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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wet. Keep your plants happy and healthy. Weak and stressed
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6 }+ ]7 {4 h( s\" R, h/ j4 ]4 e5 y5 |5.39.217.77plants are more susceptible to disease.5.39.217.77, d9 [% v" Q1 ~& b; F$ x$ d
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Remove and destroy or throw away diseased leaves, both off the 5.39.217.775 T( t* }$ ]0 j) a7 r! S1 y

( P  u4 C' y9 y7 tplantsplant 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 infected公仔箱論壇. _7 M: l( A: N- z0 s4 H3 y
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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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. {) c8 F3 |  e% Q5.39.217.77to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb& A) {0 Z& A, ]# {' ^) x
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Spray plants to prevent and control the 5.39.217.77, |7 g8 Z- B& g0 `) M6 h+ k* S
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.
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8 M, w5 D/ b  X  \4 A& s5 Z0 K公仔箱論壇Late Blight on Tomato Plants
$ s  n0 l& n+ {3 W- O2 A7 z7 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。
  d" `$ w6 j! v/ Y+ f* ]% 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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7 ^) ]7 V: r* R0 Y& \; p% c8 P5.39.217.77plants in a garden. Once a tomato plant 0 h" F( W8 i  q  h
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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。' L0 d0 _+ V5 T. S2 i
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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 blighttvb now,tvbnow,bttvb' ^6 F$ V- f% [% S8 m) w

/ t8 q. o1 G0 R4 ktvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 5.39.217.77  o( Y9 G( X5 a; C" a5 C! u

9 P2 ^' r4 t# O* E# ySeptoria leaf spot infections will also help prevent late blight infections.