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 : O! M1 M& ]. X & }$ C# r7 Z( V8 \* q( Zcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. - W6 E G. \6 g QTVBNOW 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。 + c8 j; H! G( X. k9 W) S( c' U* ^0 @* ?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 T' ^6 @. I7 q1 yHow to identify Early Blighttvb now,tvbnow,bttvb; s7 M" N2 l. V0 i
/ {3 `- s. K! ~" u' x" V+ \5.39.217.77:8898Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 1 @! r4 k) q$ z
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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 公仔箱論壇7 R5 M2 y5 n* v* o* o _: m
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in color and form concentric rings, or a , E\" Y o. r7 {9 z5 y0 P
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 3 y1 \, W) P# u4 ctvb 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。8 v R0 M* s" {9 o; A, z) j leaves may fall off. Extensive loss 公仔箱論壇# K4 G7 ]; _+ w4 a
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.5.39.217.77:8898$ ]7 S( O4 q" Z0 i/ p: R8 U
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How to identify Septoria Leaf Spot公仔箱論壇: m, r& y: |6 Y1 A4 ?; X% @
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Symptoms of Septoria leaf spot also start 1 C) B3 [+ R0 O% P$ V
# X5 z5 i9 m8 ?' Gon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 4 e3 a9 g6 s: d, {4 U5.39.217.77:8898 ) ]" e2 [% q# H# t公仔箱論壇shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ( ]0 E) [4 z. i6 ]$ 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。 / L* k+ r0 F2 l" @) Q% v: @! XSmall dark spots, the fruiting bodies of the fungus - |, m: _$ _& Z5.39.217.77:8898 8 U7 U. @7 f |2 y% 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。, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.77:8898- k# S Y. z+ {' i, g+ U4 D4 b
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and dead. Stems can also become infected but tvb now,tvbnow,bttvb- Q3 k: ~' _% ~& l
% e' b- ^- L2 O9 ?- m5.39.217.77:8898How to Prevent and Control Early Blight and 公仔箱論壇0 J7 j: m5 c# _& b: I0 a
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Septoria Leaf Spot5.39.217.77:8898) i7 e. `: p; P3 Q b5 n( |& o; P
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Follow the 12 easy steps below to enjoy a 4 I! X1 S. K' [; Q8 Ptvb now,tvbnow,bttvb# t* H' k/ o: @
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ! l" U, n; ?& |" X4 J6 J公仔箱論壇 " z. \) \7 c( ~, G, w+ \4 p, \Weed your garden. Some weeds, ) m. y7 j$ @# n& P$ ?" ?0 ]/ |# `! Z' H3 D
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. " z+ M! \ ]/ Q2 w0 \' ~0 N4 h* e, \ Rotate crop locations. Don’t tvb now,tvbnow,bttvb3 {4 R6 T$ m! S D- t
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 1 H9 D: y6 T9 u) r9 g# O* v- P& a' ` G
where tomatoes were grown.* L" s6 m" d' U5 j
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. O! m; s2 Q. t: P U, o" ~& P公仔箱論壇Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of P. J1 ^" C _: P8 A: p5.39.217.77:8898 5 W J" m2 ?6 R, ~' y/ D( Efungus from the soil to your 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 y3 D( \2 x( t$ R& w* W. K9 w
' K; n* k( T9 ^ ^公仔箱論壇plants. " c7 n% i5 g! R4 M& D# g, f1 @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。tvb now,tvbnow,bttvb, ]* Z8 d. I. o; }/ D3 G
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。9 A+ Z8 s% M# k
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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 * h+ d8 Z' [' v1 N& P3 c/ b6 e, F" tTVBNOW 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。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。/ W4 [1 G t0 I4 b4 [2 a
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of ; q( E7 y. z- p8 Etvb now,tvbnow,bttvb # g* `" @' W2 I" p- Ltvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use 5.39.217.77:8898/ I, E! O\" r* @1 E3 I' t7 }
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overhead watering. 4 f3 _8 N( Y$ F0 [* _5.39.217.77:8898Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. " W$ Y! y2 |6 v" d( rtvb 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 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 [! Q" _5 a) z1 ~% Z
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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 8 d% p- W3 C! B: k$ r% ^# C5.39.217.77:8898 7 q% t. p7 s: {7 j/ t1 j- e6 b5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed 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, x. T. `: o
9 R5 x3 b+ l) r' p p公仔箱論壇plants are more susceptible to disease.0 p: V1 P, s! W* b2 h
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Remove and destroy or throw away diseased leaves, both off the 0 C& g- z$ R Y
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 4 J0 [! X7 d* d. B( x6 A1 ^+ M3 l. j @" {. x0 B2 A( M8 v. q+ B
enough. If a plant is heavily infected 0 P& @! X# y) J8 u\" Z4 e ) v: [- w0 d8 [9 J- q, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used " ]. Y" m$ n9 jtvb now,tvbnow,bttvb0 l$ j5 H4 t% }4 c) Y
to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb* G5 F: @' H5 \1 o
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Spray plants to prevent and control the ) v/ ~7 ^1 B, ~2 Ttvb 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。+ n6 O# A' c: b2 h7 N3 q
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try / u) ~* o7 g5 I0 M! M) 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。9 ^9 T1 k/ B3 e2 [0 k8 Q( R
GreenCure. / e/ j. I8 r1 P4 hTVBNOW 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。公仔箱論壇3 l9 _5 c A/ k! f- x* K! `
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Late Blight on Tomato Plants; c; E1 ]4 Z5 Q
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato % R- I9 e" r. S% F5.39.217.77:8898TVBNOW 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 o/ W4 z9 f: ^/ e! A# V plants in a garden. Once a tomato plant ; D8 x+ D2 L. e5 [) d/ Q6 H5.39.217.77:8898tvb now,tvbnow,bttvb7 h4 A- }7 x5 N
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 6 F6 u' y+ c) T) b1 ~$ u J1 hTVBNOW 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 ^/ f Q3 o b+ k5 ^5.39.217.77:8898water-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 6 O$ p\" h; N5 v* M / ~7 G, p0 N) L$ P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 0 j& {* t9 i* {# a3 @8 i/ A0 x & x b- r5 G* X6 o5 P1 [Septoria leaf spot infections will also help prevent late blight infections.
