Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇, n9 M5 S# [1 G0 w/ [
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can start at any time. Infections can occur anywhere and are most severe in wet and humid 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。0 D: I+ s, t4 {( v
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+ m( i- ~4 I: N9 i9 THow to identify Early Blight5.39.217.77:8898& ? R% j1 C# H: a( W5 L9 u7 @
_& t9 u8 C- F3 k" jSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb) y2 \' t$ M/ O4 k3 i0 M! h
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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 0 I" L8 [0 S' r0 A1 ~
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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,
1 m3 G, N# {0 d6 k3 C! ~4 ]公仔箱論壇公仔箱論壇: \- h! K2 z7 M, n$ ]& I' x: `
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。0 [5 |0 o+ D! S) L
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇% }/ e/ m( U! }; L& a( l/ A
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How to identify 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 |% M2 {; H( c/ a* o$ f
! f, y( |9 U& o) T% k5.39.217.77:8898Symptoms 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 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 w8 j, Q# r3 s# P
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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. 公仔箱論壇+ Y) q7 {3 i8 C
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Small dark spots, the fruiting bodies of the fungus
9 U5 X2 A% m5 A\" Z# }) t- L公仔箱論壇6 ^- t2 ^) ~2 ^6 m& G4 {2 e
, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 6 q( q9 ~) \: X8 l
6 U/ k! g3 {8 q: |3 J6 Rand dead. Stems can also become infected but
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8 \1 p1 r) f& e7 X0 }infection of fruit is rare.
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# I6 N- T# } Q" s+ ^tvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and . v t% Y% u8 j& L$ L1 S6 n; P
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Septoria Leaf Spot公仔箱論壇1 {1 k. }. g/ V* o; L
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Follow the 12 easy steps below to enjoy a 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 f' e& Z5 W% c
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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# ^4 F* p6 J: @! l, ^Weed your garden. Some weeds,
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. O2 E/ c5 q* S" rtvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb, G2 P" W* p z* V& _9 K- M
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Rotate crop locations. Don’t tvb now,tvbnow,bttvb( X4 i' t- ]; J. O% M( a3 W1 u' q, Z
# q# l. {+ g, P3 A5 |5 Y1 Vplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas + d7 n% q) u+ K/ b. z; Y: z
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where tomatoes were grown.
+ s/ {7 G9 T; P# U: A5 Wtvb now,tvbnow,bttvb公仔箱論壇: K8 e* b$ u/ E6 G1 B6 \
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
4 |$ V: L( u7 V `+ }* Utvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 9 M( a! ^( g: S' L( r/ b+ v
8 x# F# z8 y3 ]- W# ?0 u2 |& Rfungus from the soil to your 6 D: ~6 L; z: v9 h C" N8 V* F
, L+ Z; G5 K! ~, A: hplants.
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Stake or cage plants to keep them 公仔箱論壇 U# k9 V! ]! i+ g6 q4 f' }
& G) t7 }4 `) F5 }) Q: [- yoff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and & W/ {- R: \. M* Q& }$ z' K8 K* i
" H4 C' b9 t3 ~7 V2 Z! [tvb now,tvbnow,bttvbcages. 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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& _4 E) K& C. N s6 ? RTVBNOW 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。space above the soil without any leaves. Do not use 7 q6 z4 T0 V9 W5 ]
$ g- b$ G7 A- \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。overhead watering.
) M" s# b9 }9 {! W' I5 }3 n3 VAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
" o# p) }! |, V# Htvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 6 K" Z, j! y3 h* e
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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 / A; C l$ _' ]8 p: k
# H0 @% q6 Z& a6 @: O4 jwet. Keep your plants happy and healthy. Weak and stressed
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! i# q+ ?! T6 K+ H6 Dplants are more susceptible to disease.0 _* J8 _! a' F u& X
! Q0 H- g; F% r s6 K( B* L( L公仔箱論壇Remove and destroy or throw away diseased leaves, both off the
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- `# b+ w' d. t$ J k\" @\" x\" a公仔箱論壇plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 公仔箱論壇+ R1 R' Q5 n7 B1 Y
8 P& v: z4 d1 [- d: j+ S4 itvb now,tvbnow,bttvbenough. If a plant is heavily infected公仔箱論壇2 w: z' M: n4 ^0 M; B0 t' C
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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 , Z4 i. k, H9 P1 c
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to remove diseased leaves should be disinfected before being used on a different plant.5.39.217.77:88987 `. y' g6 l( D A8 U
: `8 X2 B7 A4 X; c& n8 W& o2 ~tvb now,tvbnow,bttvbSpray plants to prevent and control the
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spread 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。9 @& X8 x/ h! a4 h+ F! r7 U
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。! t! _' }$ n2 m5 b
GreenCure.
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Late Blight on Tomato Plants
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5 e6 o7 u( I. ]# h0 K6 p2 k5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato , u4 o3 ~ w& b7 {" Y" `# j
9 U. ]' q4 D+ 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。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,
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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 blight\" C! \+ | G\" `8 G) Y
1 |& s\" o% E% |\" Etvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
/ c8 B- d3 I; h$ }$ \( R9 y! ?7 _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 j; t. ]* S3 ^
Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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