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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 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; k/ y* R  O

) K) h% V% U1 F% A% B8 M) W) s公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.! M3 A$ E7 n6 N
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How to identify Early Blight$ Z" K' P, e8 v  Z' k2 ~

( q4 a" _, ^' S- k" Q7 A! P公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb% k- t" P' W( S5 P  o, ~4 y1 ?0 M$ s/ E/ B

  z8 G4 `2 O; A: Y' y8 [newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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in color and form concentric rings, or a
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4 D! l: q4 b8 D1 p# d1 o' Ktvb now,tvbnow,bttvbbullseye 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。7 [6 z  g  I3 b) B5 C& x6 U

2 C# k/ Z0 \& Rleaves may fall off. Extensive loss # l, g: l  j( y0 A2 p, e5 |8 H

+ k( X8 n! w$ iTVBNOW 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。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/ Y! I3 ?/ Y/ o' H6 j4 J/ }

# t7 m( d3 n: F: R2 G) cwww3.tvboxnow.comSymptoms of Septoria leaf spot also start www3.tvboxnow.com; ?6 F) z! H# ?, b+ q+ E

4 S7 P8 z+ B% Y" l3 m, ~tvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 0 c8 j+ K( Z9 w8 f0 e* s/ H

7 ]. H2 {( h. E7 U1 Kshape 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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9 {, O$ Y5 S* ]( W8 H& gwww3.tvboxnow.comand dead. Stems can also become infected but
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\" W# C7 W1 |* @\" c) finfection of fruit
is rare.
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How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb- h: k: R3 f/ v, p! v& }: q
公仔箱論壇# I1 i  J; i* |  i0 I
Septoria Leaf Spot

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9 r" h' ^% u1 }) NFollow 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$ b. a' Z. t( B

' k1 r: I1 E: zWeed your garden. Some weeds,
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7 s$ T  O2 _( B1 ptvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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/ v3 {1 P/ V  i6 X% j# |. d9 {www3.tvboxnow.comRotate crop locations. Don’t & Q5 k0 p6 }8 I+ h

; Q! `- [7 Q" @www3.tvboxnow.complant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 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 B6 ?  K! B. m2 P' q

  a% Y& A- t; p# V6 ^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。where tomatoes were grown.www3.tvboxnow.com& g3 i) ]$ T4 D: b6 A1 I( h9 l/ k  {

/ r0 @8 Z. X& n6 x) ]. [4 T+ ]9 eGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
# b: ]4 Y( }/ _4 V$ T) }3 \2 ltvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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& e: L9 p  H5 ?) G, b6 htvb now,tvbnow,bttvbfungus from the soil to your
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& C7 s8 A3 h4 j1 Oplants.
# j3 ~; _7 J- w; _% h" G公仔箱論壇! [! t- q% j0 V0 i& j
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 公仔箱論壇  f  {7 [9 z' E, U
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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 公仔箱論壇+ J6 v+ f/ v2 |' p: ^

' n2 s& e5 Y8 Z  c公仔箱論壇space above the soil without any leaves. Do not use www3.tvboxnow.com- R2 G6 v) y* B\" y! C- ?$ I3 T
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overhead watering
.
: M' F) U5 Y( f9 U: R7 b6 B& M! \tvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
* V: d: n4 E; U. ~" u2 _8 Qwww3.tvboxnow.comConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow " u1 E" n8 ^  h- t5 f

0 S" d$ p8 j6 r) m) c) w( Bfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are + M7 t7 ~. m  n
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wet. Keep your plants happy and healthy. Weak and stressed 6 ~6 {3 z( e. K. Y4 W  U
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plants
are more susceptible to disease.www3.tvboxnow.com8 D3 q7 g, u) U+ C2 _3 }

2 V) I" e  f8 y0 l/ O9 {  Utvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the ) o5 M2 p# T2 o4 ]/ w9 {

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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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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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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。2 i& l9 p5 l& t3 ?* \" v" k4 G

6 e: H3 B- e8 v公仔箱論壇Spray plants to prevent and control the www3.tvboxnow.com* i5 k: a7 Y/ w4 U) K9 a+ \

# L& f7 Q# t, C% A0 rTVBNOW 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。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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Late Blight on Tomato Plantswww3.tvboxnow.com: Q% Z& z; H' T* a6 @$ a
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato + Q6 Z  Q- E5 `3 @5 d8 |: d
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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。" k2 Q7 t: ]' t8 Z4 H$ e2 Q9 N
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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& N7 Y! i* }& c( kwater-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 blightwww3.tvboxnow.com4 `# A2 X/ j4 m
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 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。* k6 Y3 q4 y5 O# @. B4 H% h

8 [" R$ G- a" k% l- C9 p7 Awww3.tvboxnow.comSeptoria leaf spot infections will also help prevent late blight infections.
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