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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( W- |$ b, @0 G公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.公仔箱論壇# d3 p5 A1 L$ |5 D) e, z) d
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* w0 z3 s, z, L$ R+ T3 j6 o公仔箱論壇How to identify Early Blight% `/ r' d, E+ Q K9 S
4 m# _- W7 ]7 O z2 ]9 h公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
* R5 {5 ]5 H [' b, h M5.39.217.77:8898
- b! a8 H# L0 [' 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。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。5 Y/ j3 r R, M! M4 D- a
) l1 L" u! A/ e* k1 vin color and form concentric rings, or a 1 ]1 f6 W0 g& n. E, D0 b
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb! j0 l5 G8 i0 E; M
/ \$ s; i& }5 U2 H' l' \9 rleaves may fall off. Extensive loss ' l( m1 z' g, t9 L( u
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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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$ C! ~! `2 |8 VHow 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。+ d2 ]9 F7 F7 f5 \( I! q% u
/ r' A4 S* y% P% E9 A: g5 V7 rSymptoms of Septoria leaf spot also start # T0 ?" y+ K$ j) e5 E+ u4 w
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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& C) C& \/ p5 S6 E$ M' u+ }
3 ~5 [/ H& j4 Y$ ^; b! H5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry , S, ^$ n1 N$ N, y
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and dead. Stems can also become infected but 5.39.217.77:8898\" w! Z0 t/ g6 [, F0 w
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infection of fruit is rare.tvb now,tvbnow,bttvb4 {8 H# \& [. E2 P% D, n0 f7 y
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M2 Z7 _4 q# c公仔箱論壇How to Prevent and Control Early Blight and + M1 [- f+ t. N: }4 F$ U
8 V5 R$ J\" }. F8 _& ^' k! b1 aSeptoria Leaf Spot
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Follow 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.
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Weed your garden. Some weeds,
/ B1 q: ?- x% T' N0 M: y) 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。
3 | l' D: I. M) 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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3 c% e) p$ f, D' j: T: e0 [Rotate crop locations. Don’t
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; K' _( R! _9 g* `+ @公仔箱論壇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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$ p8 B3 R" M5 l6 A, 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。where tomatoes were grown.
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇6 ^! A ^3 P$ L' X
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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" r1 I1 w2 u+ j1 R% jfungus from the soil to your % E! c& C4 R! E
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plants.公仔箱論壇$ n3 k$ _0 @ j$ e7 K
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Stake or cage plants to keep them tvb now,tvbnow,bttvb6 g5 |9 Q* U! X, Q6 p
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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 tvb now,tvbnow,bttvb/ e a, { Y2 v; f1 G) \
: }' d, u/ @- b% F' } Kcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of tvb now,tvbnow,bttvb0 i% q: K$ N: l, @2 S
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space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb2 r8 A& }: f, h
5 q0 c7 f0 C0 r, N1 D) o4 s f公仔箱論壇overhead watering.
) j% f' o. |4 H! H/ J% I/ HAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
4 R6 Q7 L m$ [3 Z+ AConsider 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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6 N0 y- f2 ^& N8 k6 i0 r9 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。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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5 W6 e( C5 ^7 x% P1 ~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。wet. Keep your plants happy and healthy. Weak and stressed 0 h* h4 `' C4 h2 c( J7 Q( l# @
- I( |+ h; ^ t( x, Dtvb now,tvbnow,bttvbplants are more susceptible to disease.5.39.217.77:88984 M6 N$ a/ R# G) }/ _. d5 u' Y
' t! b2 N* Q+ y$ F. I9 sRemove and destroy or throw away diseased leaves, both off the
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early - v$ |; h5 @' g3 b3 P3 ?. k
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enough. If a plant is heavily infectedtvb now,tvbnow,bttvb7 E( M c9 V3 g
. O9 z+ b3 t) r, s- C1 y8 g- {! g, 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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/ P2 E" `4 s- b$ m/ @9 w' b& }5.39.217.77:8898to remove diseased leaves should be disinfected before being used on a different plant." f, Q T1 j6 k! Q7 d7 [& Q( a5 [
2 M/ Z& h# s) I3 C! y( U公仔箱論壇Spray plants to prevent and control 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。% i0 O% k' r- v\" p
$ P* e. _6 H- M4 ^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。6 h9 b2 m, \5 f( G' @
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Late Blight on Tomato Plants5.39.217.77:8898, K; q3 X% k: O( w( [& R" q/ x
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇: [' @5 c' a' Y( ~
9 ~7 E3 j& X$ E- F- Uplants in a garden. Once a tomato plant
7 i |0 b9 {8 [, v1 _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。
- B& A1 P+ v% J! c, a7 qtvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb8 o1 Q7 n% p3 ^
1 X- v. i; @4 ~- a8 s) R5.39.217.77:8898water-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$ ]1 U, w ?3 w0 U
2 @) u1 M1 {* C公仔箱論壇 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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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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