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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 公仔箱論壇7 L- S# S& U4 q

3 }( x! J0 E2 H0 g* 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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' d/ }+ `9 r9 S. S$ dtvb now,tvbnow,bttvbHow 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 ' Y/ B, t- T+ E& i! n7 ~* l8 n( g
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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 tvb now,tvbnow,bttvb# m' T/ f9 e* w/ d3 s- a0 O  C7 c

6 E" p! U# L) L% [+ iin 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 公仔箱論壇& K. V) i0 g, ?& Z/ u& g

7 c$ S6 x# A* y0 v4 i  ewww2.tvboxnow.comof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.7 z* l' k1 N/ r8 Y9 J8 E" _: }

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/ i8 u9 {; d/ L% Z& Wwww2.tvboxnow.comHow to identify Septoria Leaf Spot
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% V8 e0 Y7 h2 O) b) [/ S$ 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。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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1 A8 e" s, \- a6 X+ |9 B# jshape 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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% V: l0 u7 q/ T! b公仔箱論壇Small dark spots, the fruiting bodies of the fungus1 v9 F' i/ |, g5 Y

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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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; Z3 D+ H7 K. V" a9 |5 e$ 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。and dead. Stems can also become infected but 7 f) Z3 Z( ^2 s' ?
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infection of fruit
is rare.! Q, @& n4 x& E, G2 x" i; x3 Z
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9 T  u& E" G/ |3 ^' }; f( bHow to Prevent and Control Early Blight and
1 {3 m1 x# p\" a/ g公仔箱論壇& p# q2 m% P7 X$ g- ]+ r8 l- W! a
Septoria Leaf Spot

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: X; d# ?$ |; p1 }9 Z7 M% y/ c* Qtvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a   e! Q- z7 E6 u. b* c
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long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
3 o3 ?  T9 m% c( p# f公仔箱論壇
2 i+ _7 H: p7 V0 M" ?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。Weed your garden. Some weeds,
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/ _8 }  M# B+ G* D' A% K3 ^1 rlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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Rotate crop locations. Don’t 8 w2 n  _  e  ~0 b2 O1 Q
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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
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where tomatoes were grown.公仔箱論壇* e5 D: Y% H( N& K7 ^8 d( B/ ~/ m& T
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
7 H$ l$ h' M3 s, atvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb! A- A: J6 V7 i* K* J

; m* d! ]3 e3 N0 b9 Z1 F( ?7 |% [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 from the soil to your
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plants.
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4 ]5 m, u8 ~$ y" w- s! E公仔箱論壇Stake or cage plants to keep them 3 F' ?) C+ ~% s- Z8 O' u' u

$ E$ [& Q4 }' O. F9 ^公仔箱論壇off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
/ E/ x- p- y+ X! E* k7 bwww2.tvboxnow.comTVBNOW 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。' y. h3 ~/ D9 e! T1 V* p; |% j5 E. g
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 ?9 o# ?  {& N) ospace above the soil without any leaves. Do not use 4 z6 e' G, I9 a/ R) k) E2 q

+ {9 P\" S7 U* v& r7 ]* G* j4 d公仔箱論壇overhead watering
.
' h1 ]. R% h  e1 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 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 P3 q0 K, |; i, f& i8 v
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 公仔箱論壇! n9 g* V; ~7 J9 Q5 \8 \& B
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。' M1 P/ z7 O  w" \1 q' p
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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) j! M! G) m3 ?: u! s5 Q, l" ttvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed
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/ v* X3 ^% a% ]公仔箱論壇plants
are more susceptible to disease.% k4 K2 [6 G! [( c
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Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇1 F5 p$ N# O$ h  q6 ^. s

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plant and any that have fallen onto the ground. This may help stop the spread if caught early
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- Q! y: q7 e* e& m公仔箱論壇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 公仔箱論壇! r2 D/ a7 f3 t* ]* \0 O- H; z
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to remove diseased leaves should be disinfected before being used on a different 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。! K: ^6 y! c# A& c: Q1 v

, {) v; P" P& _9 j6 ytvb now,tvbnow,bttvbSpray plants to prevent and control the 公仔箱論壇' E* L* H* }! H% f

1 E. S! W& i\" D\" X7 utvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb+ R/ [  n9 `5 I: X! U
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GreenCure.
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Late Blight on Tomato Plants
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2 T7 Z, h# M1 W+ ^: f0 \5 s- r$ Mtvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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6 k1 f8 Y7 d6 \, L. vwww2.tvboxnow.complants in a garden. Once a tomato plant
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( r( _8 K; n) |) W( k' G6 d! T公仔箱論壇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。- w+ d+ i6 S% e# o9 ~, \

2 s& b4 U9 T; |* k1 JTVBNOW 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。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/ G+ w3 a3 R/ n% a

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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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. G# s8 s& [% p( V8 }2 `4 QSeptoria leaf spot infections will also help prevent late blight infections.
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