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

Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but ; `# P! M& V7 G( B: g" w8 J
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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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3 w" S* S+ m8 @  I( h9 ?, 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。How to identify Early Blighttvb now,tvbnow,bttvb9 z' f0 a( Y- r4 s/ w8 r
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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 R+ @2 x1 A! d( F' }4 C

, t% o7 U0 k5 R1 g公仔箱論壇newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb1 m+ t, M4 R5 Y# m. B# k3 H! X1 i5 h1 X

. A3 [" [3 k& d5 M. E# Z1 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。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, 公仔箱論壇# S6 T! L9 B) j
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leaves may fall off. Extensive loss
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0 f: Q* g, d) z! M" Rof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.5 u7 O' `6 {  B1 l1 e- R

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$ {6 G  j: ~/ C/ R0 uwww.tvboxnow.comHow to identify Septoria Leaf Spot
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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 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。3 ^( \$ n6 o/ c6 L, _
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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. 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。( Y7 e6 p% U: z4 h

* I3 v" [, ~/ x' l' Z) zwww.tvboxnow.comSmall dark spots, the fruiting bodies of the fungusTVBNOW 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 A$ d# `! K. {: ^( u8 [

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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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9 E- u7 ^8 E3 o* Yand dead. Stems can also become infected but 公仔箱論壇7 Y  O  {, ]4 G
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infection of fruit
is rare.
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# G- ]( p- ^% `9 _6 r; H) K& ^公仔箱論壇How to Prevent and Control Early Blight and
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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.公仔箱論壇! |1 z3 l$ L( _# c6 W8 @

* o  r* ^! P& [8 k. W( N公仔箱論壇Weed your garden. Some weeds, 公仔箱論壇! w8 {9 Q/ I% D

* w$ W7 ?  I- W: @; p公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.www.tvboxnow.com: C% r# t" i- M
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Rotate crop locations. Don’t
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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 4 c  h1 X  T4 [) z. y# Z
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where tomatoes were grown.tvb now,tvbnow,bttvb! i3 c1 B: R$ ~7 S

2 t* f0 E1 E, q2 p2 x. Q" ^2 o( n2 {www.tvboxnow.comGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.5 {, d9 j% H* n/ L, E1 n
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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+ |3 `# c0 v9 s- O6 ?fungus from the soil to your
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# g# ?) v- X! ctvb now,tvbnow,bttvbplants.
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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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* L2 e) @6 t2 \* g4 Q+ W9 w$ Pcages. 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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5 x; W2 _$ T7 `$ C9 {# Xtvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use
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, q5 m) s! j1 \1 Y4 P$ b  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。overhead watering
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Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
1 X( k( y6 I, ^1 }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 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。7 }& ?6 `& d" G; ~+ u( I+ @
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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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wet. Keep your plants happy and healthy. Weak and stressed
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* n( s\" U1 V8 M* Y  m2 lTVBNOW 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
are more susceptible to disease.) r4 k/ i2 ~! l/ v& ]) s
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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。\" b6 x3 ~! [2 m! D: y7 X
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plants
plant and any that have fallen onto the ground. This may help stop the spread if caught early
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; R; i3 E5 ?8 G4 I1 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。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
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1 K+ N( F# P# l4 T4 `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。to remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the
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Commercial fungicides are available. For organic gardens, try 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。1 H& m- Y% M9 T2 F, {8 ^
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GreenCure.公仔箱論壇0 h8 V; R( i: ~- C, K) `( I! i, \

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Late Blight on Tomato Plants  P5 G7 \; t1 z( x
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇, e. ~0 k0 K  M" X/ N
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plants in a garden. Once a tomato plant 9 M1 ~: G' a4 p( V

2 G( O7 m3 s/ j; z. gwww.tvboxnow.comis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, www.tvboxnow.com6 c6 v. t$ d& e4 X" `% D! H
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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 tvb now,tvbnow,bttvb2 ~6 \- g! r) {8 k8 Z7 a4 b, ?9 ]
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Septoria leaf spot infections will also help prevent late blight infections.
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