Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 0 H" O4 V! z- d
. ^) G6 I7 i% y5 b/ MTVBNOW 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.公仔箱論壇1 N2 [8 L2 n$ X4 v& [
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How to identify Early Blight3 X, f6 U# ^! q* ~9 l
! W) |6 D' O6 h0 L2 t z9 W( }: ]Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 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。' S; C1 r$ ~" a% y' S6 B4 G2 @, I5 _
' R- \4 e/ G! d6 e8 Vtvb now,tvbnow,bttvbnewer 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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bullseye 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。: P _4 C- E V
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leaves may fall off. Extensive loss 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 C! a! S' x6 H3 H3 i0 e
2 d) y/ ? \, i( a u5 e公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.7 u5 B4 M b# V# s7 }; g1 ~
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How to identify Septoria Leaf Spot
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Symptoms of Septoria leaf spot also start 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。! H/ b2 p% }9 w9 u( Z: A- p
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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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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ) n G4 [2 @1 ^# V8 {
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Small dark spots, the fruiting bodies of the fungus
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6 X# `5 _( g* c& S! ], will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.76% t5 u! L0 O1 J% H
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and dead. Stems can also become infected but
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infection of fruit is rare.tvb now,tvbnow,bttvb" q+ A. A k6 `# p
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9 N2 c) R- u# ?8 n @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。How to Prevent and Control Early Blight and
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Septoria Leaf Spot* R5 c8 Y* V; C7 a1 n: j0 V
+ {( }3 [3 z4 e; l( k& dFollow 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.5 ^( i# n5 Z5 o+ q
! |7 k, Y0 p7 d/ MWeed your garden. Some weeds,
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato 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。# s0 n7 i/ B+ x% _
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Rotate crop locations. Don’t $ P, [9 y- l8 b* w
- y4 ~9 g# M3 Y9 v0 a. s) j+ Jplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb: z# K: |3 n% Z) n9 c$ w
3 F: }0 g- X& J/ E5 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。where tomatoes were grown.( u& D, L- y9 D
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
# G8 P8 s. l# B+ U8 K: |$ GCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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fungus from the soil to your 3 m+ c, j1 F) _* f+ d8 r- y
7 d' ^* u8 y9 M. ]tvb now,tvbnow,bttvbplants.公仔箱論壇* T: ~) u5 U) a$ s/ \9 `& _
2 \ U: i- P& K 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。Stake or cage plants to keep them 公仔箱論壇* Y. E! V6 x4 @" ^
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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 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 Z" c; a* w) K. U4 t( Z
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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 ) A0 E8 ?+ L" [. y3 C9 R _! P" P
: Z& a$ X$ O4 |/ i r; }3 Espace above the soil without any leaves. Do not use
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overhead watering.
- d ]3 s3 r2 q- B: etvb 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.
$ y6 z" C) C& M# o& q9 `1 E$ L5.39.217.76Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow
/ T/ h. B: E' w3 F# z! 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。
* k' o3 o( {+ C8 s& k公仔箱論壇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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! F% m' O/ {; f! c( i( @wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇/ d3 d* t: m/ Y0 s/ K8 D
4 w3 m, M# ~/ m, u\" @( i) l1 Iplants are more susceptible to disease.6 U! y' K$ x2 d# d
* D' w2 U) t0 X" [3 o E9 gTVBNOW 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。Remove and destroy or throw away diseased leaves, both off the 5.39.217.764 n& q2 a$ X6 f7 d
7 O2 W% D, h6 V! P, m, g公仔箱論壇plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early , r9 x. h; `# o. o
$ n$ l5 e% l5 h! H, Z: @tvb now,tvbnow,bttvbenough. If a plant is heavily infected2 j7 G9 k# A% T$ a4 G
$ p1 o1 p, @5 F5 @, 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8 q( f6 R4 v% |3 R' m
% _# P* }9 m$ N; g: e0 X6 ?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 4 L! L& ?% V0 X B/ X
0 N* B: T0 l) E$ x- m. j% V5.39.217.76spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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8 ^, X; D& ^* [$ A6 ]$ q% P" {GreenCure.5.39.217.766 C; d% K: t; u! P; K- w
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9 x& c, T; v5 t8 @/ Q1 qLate Blight on Tomato Plantstvb now,tvbnow,bttvb. P5 j+ g: m0 Y7 f9 v2 C
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato tvb now,tvbnow,bttvb6 |5 d! Q+ \2 P) D3 y7 `* H5 q! X ~
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plants in a garden. Once a tomato plant 7 Q$ Z" d% Z0 Q( p: c7 G; V
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5.39.217.76. | ^" F/ J! r7 ^0 c
1 @- |( z8 J: Y. K6 A3 p公仔箱論壇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公仔箱論壇\" B0 E p5 `\" e
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and % o( U' {) x8 ~. x1 z9 _
( k+ j- A- e* `9 ?. h$ K5 f$ X. WSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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