標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but ( s& U) Q6 K; |# N) t7 M9 [tvb now,tvbnow,bttvb , y4 \% q6 l, ~1 i* q0 c, G$ P& j公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. " f/ h6 y. a& P5 U0 o* NTVBNOW 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 C; I' w* p# S2 g, o7 s$ x
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How to identify Early Blight * u, Q2 X- b8 X9 _" \" xTVBNOW 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。tvb now,tvbnow,bttvb& K/ \5 X5 h$ }. F
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 5.39.217.77:8898: }2 h/ y$ d* h9 F
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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 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。# y$ T- k S% i, b
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in color and form concentric rings, or a ( z/ r, I' R2 C公仔箱論壇6 S+ V% O$ h: d/ l2 x/ Z
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 0 M; F4 d( z0 Htvb now,tvbnow,bttvbTVBNOW 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。 y1 L( u* Y9 B/ v leaves may fall off. Extensive loss . F9 J2 f9 N9 X; m+ j9 n1 {5.39.217.77:8898 + Y9 E, o k0 G+ C8 Kof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ( c( D4 R ?! h公仔箱論壇 ' R. S4 d- U2 [: }; }4 N0 @* Q$ l8 W6 u/ P# X) Y8 \+ q V- x2 v9 Z
How to identify Septoria Leaf Spot公仔箱論壇, o- u `3 b. C4 L* s" t
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Symptoms of Septoria leaf spot also start H( l6 [2 t* N1 l0 x* ~* T& y5.39.217.77:8898 : N& g2 B3 Q& I' j+ e5.39.217.77:8898on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change * Y3 F, y% z! f* j$ k) V9 [+ ~公仔箱論壇 0 |* |- {/ l9 w* `& Z2 l( \shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. L! f' R* U% W, f6 @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。) t8 z: { ~$ u( S3 D
Small dark spots, the fruiting bodies of the fungus公仔箱論壇* a- }- ?8 N* h% h
tvb now,tvbnow,bttvb2 F3 ]! H U* s- z' j5 Q4 V , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 3 Y" P$ _" t1 e1 U% n( @( z+ @- v
# u/ g- |0 E5 Y+ {" b8 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。and dead. Stems can also become infected but & T. l) B& C4 ^; v% b
2 M4 a: D i& {% |4 b# 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。Septoria Leaf Spot 6 @, N" \1 x6 m. h- ^; f0 m* C" b8 p: R1 I3 `8 X
Follow the 12 easy steps below to enjoy a . w& n d. L1 y; H8 F6 @2 f公仔箱論壇 ! S9 T) O/ a8 H$ b: l5 [3 a+ olong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.1 D; n/ y: X& r2 o/ z! t0 V" |
tvb now,tvbnow,bttvb. X; k* L; U [" p! l Weed your garden. Some weeds, ' x2 X% Q# _, u" Itvb now,tvbnow,bttvb ( k/ F$ k' t; L- E F6 f' t5.39.217.77:8898like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. % I1 G3 w1 ~9 c, i' P公仔箱論壇 8 ]; X- \/ \8 ]3 m; @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 3 ]7 F7 U7 V; A' T公仔箱論壇 * b; E: x" |6 l' P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 . x9 z! {5 y# \$ M公仔箱論壇! p* U' H1 t. D
where tomatoes were grown.& }: r# ~( L+ w/ r! T
& N, x2 \; X m9 x- t- y8 s& Ftvb now,tvbnow,bttvbGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇9 J2 X( B$ \1 L) W
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of + H5 [/ _! v( K$ d( W, o) A. a6 Y9 {7 E# m R: y
fungus from the soil to your 6 t6 K5 k% f$ i" H7 v# W5.39.217.77:8898* T4 y, {( b5 w% Z: t$ u: O0 w7 C6 f
plants.tvb now,tvbnow,bttvb8 w% p7 X' F1 R& {: P
. e( |! X& Y$ ctvb now,tvbnow,bttvbStake or cage plants to keep them 9 x2 r- j! s! @$ b8 E' b
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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 m# A4 T6 m) k# |. \& ^2 R; J
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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 G" d7 R+ k0 p" e/ ltvb now,tvbnow,bttvb% l8 c# ~! B6 X" E, |* Y. _; b
space above the soil without any leaves. Do not use 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 `# o) c0 f# u\" d, f
! j# n6 x4 ?; B0 U公仔箱論壇overhead watering. ! Z) w1 r' N' W$ l3 f. Qtvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ( @( O( j3 B2 m- }& t
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 ) e, L$ [0 y( C1 x8 s
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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 1 v' V. g; O3 S% A( \ * Z; M2 B1 ^% u& {% ^tvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed 5.39.217.77:8898/ E1 G, I% k6 K7 l7 M. v; t' }\" C
0 T7 g5 f9 }$ |% H& `+ b4 r7 oplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 4 O. W% e8 o( v# |7 t
% O y8 U/ G7 B: }' _) |公仔箱論壇, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used + u( r) q! F- c- \5 a0 L3 P! 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。 1 M- ~5 ]2 U; Y [! C; c5.39.217.77:8898to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇! P2 t- z7 T$ ]* W3 H& ^, ?: E' C
( \- @: d0 X) G7 ~6 u3 h公仔箱論壇Late Blight on Tomato Plants 6 |( y2 F% q4 O. j/ v( l! BTVBNOW 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。& I o) W2 ]# E' x
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ! P3 ?* m4 M* s. R2 g+ }7 M
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2 b1 e( o5 L) I- n. xis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 1 B" a1 M! d: s4 m" c1 k* G公仔箱論壇 9 Q X/ Z" e7 b" j; R7 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。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 blight5.39.217.77:8898. f# S; r/ F' V5 ~5 p8 m5 o
, n4 m# `; l+ u% [6 i( [9 `; Otvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and : Z9 q6 g- b7 W! J6 P, H
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Septoria leaf spot infections will also help prevent late blight infections.
