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 - Z" M. z0 n; Y o" O7 r" U公仔箱論壇" f6 V; H. u2 o# ~9 |
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. # ^9 ^* D4 [ c- w' ? % }% {/ x6 L2 @) h公仔箱論壇tvb now,tvbnow,bttvb( l- f) v7 g1 h9 [8 _ p
How to identify Early Blight5 O& w* B" e: w8 B
0 V, h. ~7 X1 U. ntvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 5.39.217.77:88984 a4 V) c, e7 o
; p- w5 i- s# D: m* u% ytvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 4 x# s6 Z- m9 g4 B7 E/ P! ]7 t7 u2 k
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in color and form concentric rings, or a 公仔箱論壇) ~' I- h. Z: n2 @, i' ^
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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 J$ D3 b$ y* Z- _# ?3 X1 M
6 j3 \: h4 A" C3 ?, b+ A公仔箱論壇leaves may fall off. Extensive loss ; h: b/ j& r. l! @! p9 t/ l6 u5.39.217.77:8898# D0 h9 I9 W! f' F& j' S. b: O
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. , y' s8 C2 L$ U9 Q, s5.39.217.77:8898公仔箱論壇: h3 F' F3 V! ]+ k
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How to identify Septoria Leaf Spot k3 a- J- O2 V& y
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Symptoms of Septoria leaf spot also start 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。$ p2 t, a2 D1 V2 b& U
( v& ?3 H4 a: S公仔箱論壇on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change " x; @4 }. _6 D2 @5.39.217.77:8898# C/ c. H# y1 a5 m% N9 N. o* q! N
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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。" a. T Y. A0 ]/ L
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Small dark spots, the fruiting bodies of the fungusTVBNOW 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 \. @ s1 g4 ?
4 b5 w, @5 |* q( F! B' Z , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ( T* L$ g0 h( V9 l4 l; N" l$ C0 N5 @* }0 {
and dead. Stems can also become infected but $ K8 n9 G6 W g% Y
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infection of fruit is rare.tvb now,tvbnow,bttvb N4 _, g8 L$ e: r* [$ u' ?
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; r; y8 t1 o" Y0 D& Y+ ]) cHow to Prevent and Control Early Blight and 5.39.217.77:88989 T7 Q( {7 b, q1 h' g) T+ Q
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$ c. b. D- x$ L. D& L
Septoria Leaf Spot 3 S0 |/ K$ @7 `6 s 2 S; J, [1 H7 x) ]6 r; ]Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb; \7 I) v* E. T
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ) X- m" N, u: ~3 ?# V2 x( P4 v( `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。1 S1 F. g9 a V. R, g Weed your garden. Some weeds, # P$ p, \6 r" e N9 p5.39.217.77:8898 6 O! ~/ [! u/ |2 U! C) hlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.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。; N2 @+ s. }2 p1 G R
tvb now,tvbnow,bttvb" e* f/ }0 a! F# @+ s Rotate crop locations. Don’t % o+ @2 W5 K- j3 G9 E2 L5 o3 @# c! b
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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 ) j4 J. z# a) n5 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。 $ I( D% f6 k& i- Z$ p; i( H公仔箱論壇where tomatoes were grown. $ H5 F, m3 m, b1 r ( L: T; k8 L% M' h" k9 R: vTVBNOW 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。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 4 o" e* w" @" X4 utvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb9 H" [: K" U/ X4 }/ p$ A5 g
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fungus from the soil to your % w9 l( {9 E& ^" N3 r2 w5.39.217.77:8898 / k5 Y6 R( a. t3 X9 A1 z. }& pplants.' [8 b/ D6 ]3 b+ G) U7 r
/ y8 g6 A! u" Q) Ktvb now,tvbnow,bttvbStake or cage plants to keep them $ l1 ^0 R5 W$ h ( j4 Y* x2 O3 Poff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ( p O- P% D& I! ^公仔箱論壇 2 R0 X% }9 W$ Q7 x6 L; A. icages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of : `# E* b9 n8 S$ n' r
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space above the soil without any leaves. Do not use 公仔箱論壇. E# A E3 B7 N
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。$ a: s% K0 W$ P' s4 i
overhead watering. tvb now,tvbnow,bttvb5 `% T! v! a# T2 j4 l# z, I
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5 {8 c x; L* `! 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。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 5.39.217.77:8898" J( S6 `4 M9 q" `( C; } A- N/ r
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。$ ?* J b" p% d
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 公仔箱論壇" J' b; z8 d$ e# M2 _( V
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wet. 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。$ a3 O, C Y0 h+ Z
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plants are more susceptible to disease.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! R7 d1 C) _9 `
& @ w6 t. n. {4 [5.39.217.77:8898Remove and destroy or throw away diseased leaves, both off the ; u. J) R* i( u) x公仔箱論壇. h7 ?: ~# t! v1 Z8 {3 n
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb( v& h: {( ]) K4 L' `5 T
4 Y o$ @: v1 f& t. `公仔箱論壇enough. If a plant is heavily infected 1 c5 z9 ^2 ^% K8 G. p5.39.217.77:8898 m& S; m) \- C! x$ v , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used , m: t8 ~4 ~6 K- B+ f4 s' WTVBNOW 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 r) W: ] @% l) b) B1 Nto remove diseased leaves should be disinfected before being used on a different plant. 1 C; [( J7 s. E5.39.217.77:8898公仔箱論壇% c) i6 ^% E4 n7 t/ e1 `
Spray plants to prevent and control the , X\" @) W& q; p( z, o. r\" gtvb now,tvbnow,bttvb0 D% W1 Z# T3 _; ]2 @$ C
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try " v$ U: w2 Q! o& |* b5 z/ D# d3 l3 y0 y, ]- {1 T9 l
GreenCure. # M/ ^2 y% j; 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。 6 z) T( @: b0 n* Y5.39.217.77:88984 @3 k' s3 a& c/ Q: A( o; s
Late Blight on Tomato Plants( k) }# G& N7 a# P; r
" ~( f5 F/ C/ H' G: 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 7 J W: F: \+ g6 C- ]# r* X0 d$ X5.39.217.77:8898 6 ~0 T, M( i6 X9 C8 c" yplants in a garden. Once a tomato plant 公仔箱論壇" U) N/ u2 k- I+ Q1 L) m8 r
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, " }, e4 _9 Q3 v7 {7 ~9 H& k : L0 C& l, S' @# D: c5.39.217.77:8898water-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 8 f2 K& J1 A+ i* w, h6 ]/ B2 W3 Z5 I\" I3 X9 D can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 9 T/ h. W7 }& {* s% vTVBNOW 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。 ) O8 j2 |! g. q* L+ h. ntvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
