Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but % L' E# n. e" y8 N
2 P( \$ p' Y- O. k5 M8 itvb now,tvbnow,bttvbcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.os.tvboxnow.com8 [, v) @) p5 O7 ]8 G# m5 m
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1 t6 ?1 C1 p0 Y9 _8 `6 }$ ~& i. IHow to identify Early Blight
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6 ?% v8 k; d& J/ D; Cos.tvboxnow.comSymptoms 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。. e9 [/ |! P8 }& y' y+ H# v
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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 6 a% h1 }6 f8 `) \
6 w! Y" c% \& J/ E; I' s3 uin color and form concentric rings, or a os.tvboxnow.com' d7 J0 |$ j+ W$ p* d- p
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇4 O- ~! w3 x0 n$ L
' b; K4 \ \+ Q- ^3 n2 I公仔箱論壇leaves may fall off. Extensive loss
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: O! G0 Y6 l; j0 ~2 Kof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.. X3 \5 c$ x! z8 U% L, [9 U# R
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- }4 B. I: u: n: C9 @How to identify Septoria Leaf Spot
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) t4 Z3 l. I/ v! K3 nos.tvboxnow.comSymptoms of Septoria leaf spot also start
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+ @$ n, F8 ~4 ?! L- DTVBNOW 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。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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7 L3 w s- e$ F1 Lshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. , q. Z$ p, f6 [- k2 B! Y
; i$ T* q/ E+ ^1 x- a" s( B/ zTVBNOW 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。Small dark spots, the fruiting bodies of the fungus
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: V3 l( F7 { _5 @1 @5 d( ttvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry , a+ y+ d2 b8 w+ J$ D
# K+ x' w; W: N8 A6 {tvb now,tvbnow,bttvband dead. Stems can also become infected 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。2 V5 E: M3 j9 x. s2 N# ]2 U
1 q- X. ^; K3 }$ J0 V: jinfection of fruit is rare.公仔箱論壇) y% G) ]. H+ @: Z' n0 K
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How to Prevent and Control Early Blight and
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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a
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L5 R, e) Z; U' U# @os.tvboxnow.comlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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8 `. [6 P' s8 {$ \# C/ |# B* N0 }Weed your garden. Some weeds, ( O: ?- R: }& h7 f
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like 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
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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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2 R: Y) L! [( @ |5 \& `where tomatoes were grown.
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" }1 X: b: B" F6 c/ T公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
. A0 f, E% c' D9 U5 i& XCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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" ?& X' N; e! |* o0 D( C4 A# |) v/ _os.tvboxnow.comfungus from the soil to your h6 B h- X# c* n
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plants.
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Stake or cage plants to keep them 公仔箱論壇' w h* X( D( \) Z* M% r+ m' U5 g
4 X, p4 L' {) R, K$ c. {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' j* |0 \' F( L) U/ B
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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 tvb now,tvbnow,bttvb9 z0 ~$ u5 m$ `8 l* {8 D) I
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space above the soil without any leaves. Do not use 公仔箱論壇& P9 C1 A9 ~$ b8 d
! t. }\" b7 i5 n f7 ^7 I公仔箱論壇overhead watering. tvb now,tvbnow,bttvb q( r+ t/ p; F! W) [9 G
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
7 w. |* v& l2 M( {6 P( @/ `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
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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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wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb$ \( W: @$ L& U) Z- z' W# M
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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。0 [/ ?: z, m( y( a; u% L. D
p3 g% }( }/ G5 k: ztvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the
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7 ~* A* c1 ]6 e+ wplantsplant 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 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。' P9 s/ t\" v( ^9 j3 D
* t6 a x( o. Z# x; G, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used tvb now,tvbnow,bttvb8 K- I$ K" o5 U! U: J, I
& y# B( j% M( }) Bos.tvboxnow.comto remove diseased leaves should be disinfected before being used on a different plant.+ P* `0 t& J3 |
$ \. B/ o2 y1 Z. _; l* h# VTVBNOW 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。Spray plants to prevent and control the / L2 [* Y/ M1 e1 _: w) L
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb3 i& f& z. l8 E: s6 @& M: y: A1 p
; J2 K- }- u7 Z$ ros.tvboxnow.comGreenCure.
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Late Blight on Tomato Plants公仔箱論壇 b% t [. ]: r
) @% y, l. ]6 Y# t% Sos.tvboxnow.comLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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plants in a garden. Once a tomato plant
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇9 D$ g n' A! _% _+ B/ |
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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 blight8 c! B' S0 Q3 V, @; t3 \8 u3 X, H* C
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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。# O+ Y. b9 k# e; U! k
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Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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