Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 5.39.217.77:88984 J9 K" z2 {$ A- }. I
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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5 b( S$ v" [ b1 rtvb now,tvbnow,bttvbHow to identify Early Blight
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0 C. J1 h1 a% _8 O5.39.217.77:8898Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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& V8 Y; }) D) r2 Q* L: G& c4 fTVBNOW 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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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 C% F. N- D# l$ C* L$ I6 _
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in color and form concentric rings, or a , o: N! Y- x( m o: s
$ s+ D4 \1 z6 J. M: { P公仔箱論壇bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇& j. S2 n( n- H4 p L& u0 Z* F
# {- W: r T+ g8 m$ _. 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。leaves may fall off. Extensive loss tvb now,tvbnow,bttvb9 N2 H7 U% e( G- s0 X( G
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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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. S3 |# g- ]) Z1 u7 I( V( T6 U5.39.217.77:8898How to identify Septoria Leaf Spot
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1 l3 t/ }: R3 ^4 L* Q5.39.217.77:8898Symptoms 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
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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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Small dark spots, the fruiting bodies of the fungus
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\" t _. \$ v1 m X5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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8 @ P7 h5 G/ Q- Y4 A' x3 Rand dead. Stems can also become infected but
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infection of fruit is rare.tvb now,tvbnow,bttvb. O- @2 y) b$ z/ @
5.39.217.77:88987 ]' q: Q- j$ T6 A9 F, x8 [
" Z4 Z/ ?1 N/ X$ g3 K公仔箱論壇How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb6 V. r2 ~8 U$ u7 E6 f$ A& p
. P) Q2 w( _9 P2 T0 o$ XSeptoria Leaf Spot公仔箱論壇/ V. ~- E% N9 _& p- m$ N8 I q
$ s1 |* v. X6 V6 j9 g- gFollow the 12 easy steps below to enjoy a 公仔箱論壇, ?% d1 `1 y0 j; U7 T* l
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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2 x" k: h7 A* A! k# A6 _, }6 i5.39.217.77:8898Weed 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.
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$ B: p3 ?+ V/ k7 ?- _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。Rotate crop locations. Don’t * J4 C" O/ W$ R, E K
* \! x+ S/ o2 [6 W/ e a2 V1 E3 STVBNOW 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 公仔箱論壇( A, D. A3 U6 x* q4 C5 J& }
( i/ I$ L+ |# y+ A U( k0 |& \where tomatoes were grown.公仔箱論壇/ @5 k: M. T, T- J$ d4 E
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
6 x1 w# y! \( m: f7 \% Q. Y6 LCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of / @+ T- G. ]8 C; b+ w t
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。$ m! ^# D/ M; U9 A3 j- G
fungus from the soil to your 8 v5 v& X# b1 v, v
$ b7 C3 M% a" v2 e- J: V5 Z9 otvb now,tvbnow,bttvbplants.
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Stake or cage plants to keep them 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。, H5 y! E+ F# a9 W, n1 t7 t0 o9 o
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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
6 v. U" Z" k' G5 A* e5.39.217.77:8898公仔箱論壇* K# g2 i6 e b/ ~2 K
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of ; D7 h. Q7 t+ C3 F
5.39.217.77:88983 z! Z1 ?) u6 H o6 \2 Q3 P
space above the soil without any leaves. Do not use
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overhead watering. 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。3 ]% l% q& {- g0 @6 {; ?
Avoid 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. Y8 ?+ ?) z" v* ]- D& b
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 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" e9 D9 a" F; b
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wet. Keep your plants happy and healthy. Weak and stressed
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' G- M1 }7 ?+ |& tplants are more susceptible to disease.
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: u, @4 j4 v& D) Atvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the tvb now,tvbnow,bttvb! M5 C$ _- d% _8 B2 f
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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1 K" E j1 A$ Xenough. If a plant is heavily infected+ n2 o' U/ w% a3 w% y1 X9 Y$ m+ i
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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
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" \9 ?7 I" j* G0 g/ i _tvb now,tvbnow,bttvbto 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。( v+ }0 _- t4 Q8 \) b# M, E0 L4 J
% s6 `! G9 z% k& H) \4 \tvb now,tvbnow,bttvbSpray plants to prevent and control the 公仔箱論壇% q& D# H, x& C! q/ X3 l9 K
( E: M; d% U6 J1 \) {7 Utvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try # h* v6 S, D) K+ R) Q, u
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GreenCure.
& [7 K* E* O4 l& Y( h; `' Y5.39.217.77:8898; q1 s V0 [4 U8 u% c% f; u
7 Y+ K. `- v0 X) n) Ztvb now,tvbnow,bttvbLate Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ) q( K0 A$ C5 l
; T0 m( S- z: x; p& y# q" y公仔箱論壇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, 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 q1 c& [9 ?: ^( c3 a5 F
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。: z/ N6 m. |3 e; Z3 ]5 `
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% A3 m: T# [5 ]6 Y4 Y- n$ Z- S
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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; I$ k5 p* q# c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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