Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but
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, H- D& X% {9 a$ ?9 R H8 Q$ eTVBNOW 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.
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0 _) I0 @/ E# i; K6 w公仔箱論壇How to identify Early BlightTVBNOW 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。' ~# a' U: O n5 }* z
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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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' J: a1 S7 p9 B/ b1 t3 fnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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_9 P, o% Y1 z公仔箱論壇in color and form concentric rings, or a 2 P9 l1 y, }1 z, }( n
2 A) r\" e+ J0 R3 |6 M, f2 ztvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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leaves may fall off. Extensive loss
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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
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# j$ @+ f3 \) |4 ]7 L) w" 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。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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shape 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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6 R2 ]! ~( i$ Z# ISmall dark spots, the fruiting bodies of the fungus公仔箱論壇. R0 w/ u, B4 [
- G) u' x( s, z9 {8 @# 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。, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
6 N. b; S* H7 v: R, f公仔箱論壇2 D7 b" `: F; v% T. x0 `
and 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。. f- b( N/ b; ^$ U2 n
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infection of fruit is rare.tvb now,tvbnow,bttvb; k% t7 B+ h. X+ o
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! q. e/ ]6 ^# A+ `8 ^* q" s; 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。How to Prevent and Control Early Blight and
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Septoria Leaf SpotTVBNOW 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 D- x; Z& _# P! I5 t* z: ?$ C# A/ e! y
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Follow the 12 easy steps below to enjoy a 5.39.217.76# Z- M n% L0 |( r+ d, q# G9 y
6 F) w1 Y7 m% u2 j( Klong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.公仔箱論壇9 o4 K& g, l7 e- H) K
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Weed your garden. Some weeds,
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x! Y% C& K# |& w) Xlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.+ K! R# s" _" i+ _+ R
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Rotate crop locations. Don’t
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/ L1 t3 s* K5 Y7 V# ^plant 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* |7 @3 K" w' `! ?% `( X3 M
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where tomatoes were grown.
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, b/ R _# B) }1 F- K* FGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
+ f% s3 a' p I* x# K) o% 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。Cover 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 1 n5 E) D. v% ^+ e' \" L/ P2 r! Y) B
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plants.
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Stake or cage plants to keep them * [( ~% q' b" z7 i/ _- k& B& H
* x1 S- H$ g/ g6 g* gtvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb! E3 @7 F3 Y o5 c4 H D
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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
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space above the soil without any leaves. Do not use
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7 l& n6 ^6 L* N5.39.217.76overhead watering. 公仔箱論壇- P/ Y) G- z) P
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. + j, q# i5 X( g3 Y3 s
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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0 q) ]7 u$ o7 n" s7 ~tvb now,tvbnow,bttvbfungus 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
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plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the 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 u- y: k7 C. g4 ~
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 0 _, R3 N$ p) W- r
; E/ H5 K% |% N$ X# n* 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。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 公仔箱論壇; t, g. R8 w6 E4 T, Q* o
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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。( d; U5 d$ O. z5 f: i) `" Y- m
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Spray plants to prevent and control the
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7 H: E$ d \- C* v* Q& _) t5.39.217.76spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 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( O9 F8 y- b& |; `7 N1 w- S
+ n1 ]- ]5 K. N5.39.217.76GreenCure.
7 \$ D5 ~6 I. k( htvb now,tvbnow,bttvb公仔箱論壇- I" @) X+ `5 ?5 Z9 N/ V# ^+ B
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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。; j( w1 Y4 l X- u! l5 f- D
# e# y! u% z. j( B/ m5 _ L, g; ]& Q公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato tvb now,tvbnow,bttvb- e) _" `3 L! c% _
~" h; h4 d: X7 }9 g' x公仔箱論壇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。+ t4 e r3 ^! J/ d4 {
6 B) p- ? M/ m, B! O, g8 \5.39.217.76is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇5 J$ A+ E# B2 A: W5 Q
8 b; r9 t/ W/ C' q3 _% ]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 blight5.39.217.761 h2 a6 C3 m& q4 _
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 5.39.217.76* q. {. Y& H2 u. c( T3 i! O
" H/ V) F" O$ @) m; O. e& Y; s4 [& z公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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