標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: 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 8 V/ L: M' j1 z& x, ]
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。4 b. |! w+ m! d3 V, J! a$ _! U7 A
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas., m, o( @' R4 m6 [: B
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How to identify Early Blight ) p/ T# [4 l7 J6 Z% E+ ptvb now,tvbnow,bttvb t, J- ]1 |+ ?% Z& SSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to B8 r& D' Y- k# j/ ~5 o D4 ?tvb now,tvbnow,bttvb公仔箱論壇9 c1 s: t/ j! s
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown + ^% Y- x! k9 j/ L
+ \7 ? Y. ~, e0 |% 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。leaves may fall off. Extensive loss 5 V4 o# e7 L0 z. b1 O" z7 I公仔箱論壇 4 o0 A, \6 T2 O2 s6 O公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.8 _9 U. ?# l, I1 i
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How to identify Septoria Leaf Spot! F! }# g! w7 Y/ L/ G$ V: h
* A% _2 o8 v8 {, O4 |3 c( H o公仔箱論壇Symptoms of Septoria leaf spot also start 8 ?' C( v1 h$ { p+ _
7 A4 F6 s$ h W1 [- c7 I, t% Qon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change - M2 _/ t$ Z0 O% Y$ K5 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。 8 z4 h3 d# O- V7 p" Xshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ( p" t" k! G8 Atvb now,tvbnow,bttvb2 u' x1 l2 P( r
Small dark spots, the fruiting bodies of the fungus \" \# M9 g% L' |* D1 ]$ Y- T : n7 ^! Y6 D- A2 c, M5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry tvb now,tvbnow,bttvb0 ~) b+ ~8 c/ E+ a, `
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and dead. Stems can also become infected but tvb now,tvbnow,bttvb8 F3 f( ?\" M7 f( x+ e& A8 Q4 d
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infection of fruit is rare.tvb now,tvbnow,bttvb. ]' o! w# Z1 _; }1 V# P
公仔箱論壇/ y- I4 \* A6 J# p: t; }
; E2 \' h; N# o$ w' v公仔箱論壇How to Prevent and Control Early Blight and 5.39.217.77:8898 l\" m1 t\" k, p1 ?
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Septoria Leaf Spot- x7 `1 H) E. [
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Follow the 12 easy steps below to enjoy a ) i\" L9 R* Y$ J2 ^$ I, Z5.39.217.77:8898公仔箱論壇6 Z$ v% j: q\" E2 t* y
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 7 c: j: q( e4 y' R% K" c" 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。5.39.217.77:88980 T- ^( N# ]- V0 E% a1 V9 k, T Weed your garden. Some weeds, 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。9 U3 Y- ]5 k+ V i) M9 d
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants./ c( ?5 Y- [7 X3 O3 h
tvb now,tvbnow,bttvb, \( }# b% ?/ G/ G Rotate crop locations. Don’t . Q* e: _7 J7 y$ a" |6 Xtvb now,tvbnow,bttvb ! l& d3 O# T$ [. G- g6 _2 @( 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 3 \/ n8 ]7 H/ L* N* o- y5.39.217.77:8898TVBNOW 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 D3 x2 t) X" z$ E1 C$ p
where tomatoes were grown. 9 V/ ~/ ^% _$ h# A8 o2 R" n/ Ttvb now,tvbnow,bttvb . [* ~$ o* e7 s7 A# A1 l公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇+ w. ?. d7 u9 ^4 b( t" o; B3 a# T, J
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of % x% v) b9 }! E2 uTVBNOW 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。 4 F1 t8 E) g h$ B' p" C5.39.217.77:8898fungus from the soil to your tvb now,tvbnow,bttvb: S: G r4 Z% v2 m
. D9 c8 |& o) j0 wtvb now,tvbnow,bttvbplants. 4 p- n# e7 [. x ^# ]5.39.217.77:88987 m. T' P4 y! t# I- O/ g7 ?
Stake or cage plants to keep them tvb now,tvbnow,bttvb8 m1 W, M- h+ O- f5 ~
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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 / I1 E6 d5 y+ o5.39.217.77:8898 9 q8 M( t2 c( p* v5 K, B公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of * q6 A8 C/ e+ i' v9 E % e# R$ Z8 T9 K$ K9 ]1 S. Ispace above the soil without any leaves. Do not use ' l0 H\" u( t @& q: BTVBNOW 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。5.39.217.77:88985 Z8 W! C+ ?( I
overhead watering. 7 }$ T4 M* g$ @% uAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.77:8898% I0 z# W+ z, O/ g# m) E- L9 ]
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 4 g: z8 v; C* ?2 s' Htvb now,tvbnow,bttvbtvb now,tvbnow,bttvb- B( w8 J; C( t2 O' D
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are - x& _: s7 ^% H8 l, T6 r& e8 Otvb now,tvbnow,bttvbtvb now,tvbnow,bttvb( E& {( N8 W' `, |9 O5 Z+ s
wet. Keep your plants happy and healthy. Weak and stressed 5 h9 B6 G7 k W) Z- U2 B3 m , i6 F7 `9 x9 W9 p& s2 M. w公仔箱論壇plants are more susceptible to disease.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。8 o* v4 x* u# w7 Y2 x" s5 o
/ m; ]4 e# y0 |- I2 L. i- s7 S5.39.217.77:8898Remove and destroy or throw away diseased leaves, both off the o/ n$ |\" n1 E$ |/ j) |1 _
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ! U" B a0 R" q8 y* @# l
# }1 S c& ]9 r+ c) B公仔箱論壇enough. If a plant is heavily infectedTVBNOW 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。4 u9 O$ ?2 O% O6 c$ c0 G6 R
公仔箱論壇, {3 }. c. m |' H , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used ; Y! j! f8 g5 bTVBNOW 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 v- S) |# y2 U4 _! [& tto remove diseased leaves should be disinfected before being used on a different plant. & x* S" F. x7 S: `6 [; n公仔箱論壇 & \( P6 Y' d3 y J; K3 uSpray plants to prevent and control the 9 b: v, H% }5 |; B! Q: l' p公仔箱論壇 : `# {2 u2 H- e: c3 ^+ S\" r\" Kspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇* J5 B4 o0 F' K) D: H
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GreenCure. * R8 i' L$ X5 w- Z $ q- D' o6 K$ e0 rtvb now,tvbnow,bttvb* I. s5 |, X& R$ l- s7 X$ m. _
Late Blight on Tomato Plants - {9 ]- F$ a! _; D) B: A; \9 ^; e公仔箱論壇 , y& }+ p' D) _& a5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 1 X1 T* E. |% D6 X: |
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。 p6 }* N) P5 J! q6 f4 F4 b& I' U plants in a garden. Once a tomato plant / @8 c' c, N3 P+ `+ g
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, . l: G, m3 o5 C% I: y& \5.39.217.77:8898 ! A8 K- J/ l9 h* v! Vtvb now,tvbnow,bttvbwater-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$ U5 [! ^! X( d7 l
4 R# B. Z\" P: b/ V9 ]! @tvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and / C, M4 b/ ^" h$ b公仔箱論壇公仔箱論壇1 _+ y: k8 g4 A
Septoria leaf spot infections will also help prevent late blight infections.
