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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" [: p4 a* a& Q) u( J- ycan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.4 [# j( w( u3 P
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. S! C0 r* h8 HHow to identify Early BlightTVBNOW 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。+ z/ D- `% ]1 D8 \$ L Z/ N
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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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/ d, ~$ h7 I0 r8 P- f+ r- E+ Yos.tvboxnow.comnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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; e) \' ]+ ?; c9 A4 Z8 w9 Y. i
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in color and form concentric rings, or a
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\" O9 R2 d* N4 j$ m) w: G5 ybullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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。% C. m" \% e: M. \
' a7 L$ E% W, _4 D1 u% D# `公仔箱論壇leaves may fall off. Extensive loss
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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How to identify Septoria Leaf Spot
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# Z9 r* [8 T/ `; `! H& s* ~Symptoms of Septoria leaf spot also start
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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
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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. . b" c; R2 E- d
3 U5 l; s+ }1 P3 ISmall dark spots, the fruiting bodies of the fungus
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1 M' T8 P; ]# I# l, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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j2 G: E n4 k$ [6 b+ C4 }$ bos.tvboxnow.comand dead. Stems can also become infected but . m& f( _4 E; m+ |+ u5 |% U
) B/ i0 w5 x( ^! J) Vinfection of fruit is rare.
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How to Prevent and Control Early Blight and 公仔箱論壇) k0 Y3 q2 @/ h1 i: R9 `5 @
2 |0 j: L3 d6 V4 S4 c0 l\" Vtvb now,tvbnow,bttvbSeptoria Leaf Spot: f6 g1 B4 a* p, A/ J4 G* A
, t6 d. a7 c' y+ ?, T# ~ J1 lFollow the 12 easy steps below to enjoy a os.tvboxnow.com% o5 Y3 D\" T/ P2 N0 Z# W/ @3 O1 c
; l8 V* C) I* E8 L1 z! l2 ^. Dos.tvboxnow.comlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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4 E( X* y0 p5 @2 d7 z; a! q: fTVBNOW 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,
$ w8 t) z0 M% X- B. \- 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。; C9 o8 ?8 c; ?( W
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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9 D8 e9 o& o9 h) x" k3 j公仔箱論壇Rotate crop locations. Don’t
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! h2 b/ ?( I! L8 A5 E* f% ?2 a$ tplant 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.
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.os.tvboxnow.com& @$ j T: G$ S8 H- q
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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fungus from the soil to your 公仔箱論壇" U' K, b. B- f; J0 k( J2 C" W1 `
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plants.公仔箱論壇1 ?+ v9 x& V' }
/ o% b. I2 A. q) u1 u* ~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。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
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space above the soil without any leaves. Do not use
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overhead watering. tvb now,tvbnow,bttvb3 Y" h5 A+ G) `3 \# m1 I+ M/ K
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
# T6 @4 T0 F) u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 tvb now,tvbnow,bttvb* K2 D# k5 m3 t8 ?% x
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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
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& |; |9 e1 K7 M a2 iwet. Keep your plants happy and healthy. Weak and stressed
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3 g* { f* A1 n1 N& otvb now,tvbnow,bttvbplants are more susceptible to disease.
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6 p/ W" V) y% y: s) t% N+ I+ Y公仔箱論壇Remove and destroy or throw away diseased leaves, both off the 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。, v% `5 K- u# _$ E1 T& ]8 ^
( v: n0 p( d( |9 P0 b3 w8 Rplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。# c- ?% w6 L7 S0 m0 c6 B% E
8 S# {. g. @9 T" Q" l- d7 Genough. If a plant is heavily infected0 a6 Z9 V' i6 o- h) U5 d
) K# S% _5 j. W* ^+ Q公仔箱論壇, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used os.tvboxnow.com# E& c8 x. I& X, x# j
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/ S/ p6 V4 ?6 H7 \+ G3 z
to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇' W# e X0 I( o7 d3 P2 B& L
! z' J7 E2 n2 p- [/ N- t5 s2 i! 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。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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- e0 M9 i+ H% {0 a! lLate Blight on Tomato Plants! T: ^4 c. A" i# {+ R0 i# ~
6 c. }# f8 d6 c& f公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato tvb now,tvbnow,bttvb H. i8 R, d9 y D4 B. \
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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。9 G# m+ e" d& f; P) {' U2 s; Q0 H
: t D" Y. {6 b! `; q( @7 DTVBNOW 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, 公仔箱論壇" @ M" z5 j! W- w3 M
7 ^% y) a, c. A' y9 ?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公仔箱論壇, r7 J& r: y0 V, P
* G\" Q: a8 B- U2 t- Gtvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and / O, _8 G a& v: S3 M, a# X
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Septoria leaf spot infections will also help prevent late blight infections. |