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* i; c2 @" ^3 T/ k. I4 ^4 ^
n0 N1 f6 x( w; Z' l' Jtvb now,tvbnow,bttvbcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.77! f/ R# k; ?, V# \; k
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How to identify Early Blight
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- Q+ E) K8 P5 U6 x2 v- M7 E7 rtvb now,tvbnow,bttvbSymptoms 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0 i, k) S; }2 }# O
1 m7 G: d1 B- i; P) R$ |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3 L5 Q( x3 @3 K& t; b! T; m; B0 ]# R
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in color and form concentric rings, or a
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* f% H# m6 N+ }, }- |+ ^' Lbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5.39.217.77, h: p( l/ C5 t
4 X4 ?! w. Y6 K L' e6 |leaves may fall off. Extensive loss 5.39.217.77. n2 `' @! g6 y( h
1 V% s3 Y# g/ H5.39.217.77of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb5 y/ G5 U& h4 k; P
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How to identify Septoria Leaf Spot
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. W' z8 a1 v; \' |. V5.39.217.77Symptoms of Septoria leaf spot also start $ [6 _4 E! ?- n. J7 N% t8 w) z
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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 5.39.217.77$ j, W: I5 T/ z# C2 Q- k, Z8 i
5.39.217.77% \/ }7 W' v0 X
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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; M' `2 f k% p9 g; F% [* btvb now,tvbnow,bttvband dead. Stems can also become infected but
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$ J% Z* c+ Q$ {- v0 T% X! einfection of fruit is rare.
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/ w6 G4 j. |4 n1 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。How to Prevent and Control Early Blight and 5.39.217.772 }2 q7 f7 v$ ]0 T' b3 }# `4 q
5.39.217.77% S9 S+ N* W& {$ {) { g: S
Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a 5.39.217.77* n8 c2 m# x9 S f+ V
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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。* U' g- w1 i# p3 K4 W3 }3 |
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Weed your garden. Some weeds, % C7 w' p" [+ I: Z; Z
* ]# n4 _9 ?- N2 @8 ]公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.1 l/ l; g5 i* C( A) ]2 k2 o
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Rotate crop locations. Don’t 公仔箱論壇+ g' Q: h0 B9 F" _
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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 5.39.217.77& C; L0 [( {( g; q; i# p1 L0 v
, l% y7 `% e& Awhere tomatoes were grown.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 b+ ?/ @+ R( b M. o- R* h, e: ]% w% v
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.* K5 s6 q* v0 `
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇& h% \/ ]8 f) S
9 @% G" b8 N5 ]/ Y2 M. Ltvb now,tvbnow,bttvbfungus from the soil to your
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8 T9 ]/ h+ r$ D, mplants.% }8 k2 d' w) r
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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 / s2 n$ A x& O: e3 C7 `; O' n, b
" @: C$ L$ j! A( k! N6 F( 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。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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3 |, w& E1 f1 G. }space above the soil without any leaves. Do not use 5.39.217.77* [. F\" i& Q. E
0 S5 w! o1 e3 c: B Doverhead watering. 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! t- b2 u7 M% ?( }
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
. O7 J; m, L# h; \: M" V8 ^/ }tvb now,tvbnow,bttvbConsider 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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# Z3 h8 j: U. v# {# h# k$ r: }5.39.217.77fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 公仔箱論壇# p- J0 E, O2 D4 H9 I+ c7 J/ \7 |5 H
0 I$ h9 ?% k5 Jtvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇) [& e) j; |0 v$ y
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plants are more susceptible to disease.5.39.217.773 i* F- p) c0 a+ K
2 T4 m: a* J n: {$ A& FRemove and destroy or throw away diseased leaves, both off the
6 l; p% F9 a! Z1 a. Z; `2 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。
( z) Y- b6 H. W/ b) P7 J4 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb, {! N( D/ T! _2 Z. C
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enough. If a plant is heavily infected
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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 5.39.217.77 U' \! g/ H! D8 p7 e1 P
" `$ c0 |0 }# Y8 F4 N7 q" L; k5.39.217.77to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb4 q5 `; a; i: H
7 m) S3 p2 q3 c& {5.39.217.77Spray 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 ) U; F& B# N- Q* V. x1 i
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GreenCure.公仔箱論壇5 a$ k7 r# R- I
tvb now,tvbnow,bttvb- Y. m0 q" w* }& D: S8 ?$ W
7 J$ \9 W* v5 ]) yLate Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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; y6 S% _5 C5 B9 u; c3 t9 ^+ h) 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。plants in a garden. Once a tomato plant
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, , c& p! _& [4 D2 F
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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
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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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7 @" _' Z3 c3 l# z9 m7 \# \5 D+ ~Septoria leaf spot infections will also help prevent late blight infections. |