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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 0 w' }% l" f% q- e* p
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.www3.tvboxnow.com3 D( e; _8 @7 ~( F5 a
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& |1 h! f- x- f- [5 U; Iwww3.tvboxnow.comHow 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
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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
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in color and form concentric rings, or a www3.tvboxnow.com! _. @6 L+ ^( m

. s( |% t9 k2 w$ B# D3 K) Zbullseye pattern
, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb, r! P7 ]' Y5 m" `9 F+ f' x5 {
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leaves may fall off. Extensive loss
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3 c  o7 ~9 T; B/ H4 p: ]公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.www3.tvboxnow.com; Q  X9 H# J1 f( z5 r, S/ f
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/ X+ D9 ~8 V2 K; y, 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。How 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
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# U7 Y! R+ o2 p- |( z9 O+ Nshape 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 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。$ p. T% `! V$ J- Y. N4 X

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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5 d5 E1 R. G: q) y$ d1 h& L
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and dead. Stems can also become infected but tvb now,tvbnow,bttvb% X. Z/ A! P8 J8 G5 l6 j' Q

& }! d$ q: k1 |& |0 YTVBNOW 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。infection of fruit
is rare.- V7 H: ]( ?8 r* R! e/ [* Y

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How to Prevent and Control Early Blight and
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Septoria Leaf Spot

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- F. O) Q# F% k7 ]- U/ m/ s公仔箱論壇Follow the 12 easy steps below to enjoy a
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' @& M: K+ R' s- D5 w3 `. ATVBNOW 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。long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, tvb now,tvbnow,bttvb2 P# {( X- t, k% a% U; M1 S2 E; `

" L! ]; {: o8 w$ E! Xlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.3 x4 m5 L3 m+ V/ a7 [. [7 E

7 ^1 L1 V- S! X4 o. Y: m% hRotate crop locations. Don’t : V0 ~7 b3 f' J3 B6 V8 F0 v; f0 D
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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 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。' l: C* ]1 R# Z- Z  B- M
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where tomatoes were grown.
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8 J& f) j& H# ~+ b( n3 K/ o公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.1 S2 b7 G9 T% K6 h2 L5 G
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# \; g4 K9 x0 ~

6 n1 e0 G8 ^/ c1 D  ~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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5 r* I6 A5 T# ?6 q* _8 s; Jtvb now,tvbnow,bttvbplants.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 v0 }; ?" i& ?5 V/ ~6 U2 X9 }5 q
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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 www3.tvboxnow.com: D7 \5 e1 v( V* z# X
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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 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。- B# @" ^8 @( C% h' b* d6 h
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space above the soil without any leaves. Do not use 公仔箱論壇0 X6 M. j6 h* B\" O

! [2 {, Y+ z' u2 joverhead watering
.
) X5 I% k+ Z; gAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ( @; N& L% x+ _5 N' M2 M
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) G$ I! F  t) `( d# w9 g, b' m+ p

9 c8 l/ H' w6 ~" vfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " [1 z( C3 V) s: U% I) i

  d* H2 A  h; R* _  _  O& o9 Iwww3.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed
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are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the
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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 tvb now,tvbnow,bttvb# U' b) s& J+ |% T% r1 T# h  L- S, {

4 V6 ^/ R' x7 n7 ~& @tvb now,tvbnow,bttvbto 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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( [+ {4 }3 S2 z$ P! _/ cspread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try 7 `% V. \& ]/ M: k4 P4 O. y
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GreenCure.
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, X1 g) d# i, s+ H6 V0 q- z2 u3 z公仔箱論壇Late Blight on Tomato PlantsTVBNOW 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。( R6 e9 _* z# P! f
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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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* ^2 j: z) S7 V! x7 w; U- ntvb now,tvbnow,bttvbplants in a garden. Once a tomato plant
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7 K! x* |0 E) q$ N$ u5 ^www3.tvboxnow.comis 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。2 n. S& x8 _  [7 Z1 I+ A; N* x

; q( H/ N' `0 w. ^3 Uwater-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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! Q( t) P7 ?+ T, WSeptoria leaf spot infections will also help prevent late blight infections.
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