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 9 v' C; r3 Z; W% {) Otvb now,tvbnow,bttvb 7 f2 L# w7 X2 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.' c5 X7 N5 J6 n3 [6 i" L
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How to identify Early Blight) a" f9 T* O* a, ]- n
* i2 E' r; A" |* w0 h, gSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 8 y! L" d/ H! z- C1 t" \4 _
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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 , _& j- {4 t; S i* E: r) ~1 v9 N公仔箱論壇 + m: X E5 h+ p/ G( 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。in color and form concentric rings, or a 4 T0 a& c! M) i: ~5 C1 n\" j, etvb now,tvbnow,bttvb t3 }- ] }2 {7 Z/ @+ m; V5.39.217.77:8898bullseye 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。; R: D% p9 e. U" G3 z8 u) ?; d
; P6 ]; ?9 L" G1 E+ Q& i leaves may fall off. Extensive loss $ b+ k% c( R& \1 l: O) }公仔箱論壇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。, D, s6 G0 H0 k W
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 9 N( o; P# D) |+ O: e: j& v5 b4 k. @ 1 ^; N. p1 @& ctvb now,tvbnow,bttvb + M3 i& H N# K0 }8 d: f$ Q5 V3 U5 _& BHow to identify Septoria Leaf Spot : X) u, L! K$ ], H E G/ z2 k, z! H- x2 g0 M1 ^% `0 M
Symptoms of Septoria leaf spot also start 1 \) J9 |! L. a8 C7 S" A$ k4 q公仔箱論壇9 X j2 K& K( }! k1 O" X
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ! {# v& V, u b公仔箱論壇 b! L/ N# Q3 }7 Q7 B5 ?' @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. 5 N$ s. v9 m0 Y5 g" b, J8 [. n& p/ [& c# i
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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。5 ^( @# R- z: k& a% w7 Y
tvb now,tvbnow,bttvb$ d' c( L# A( \ , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 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。- s7 f+ D3 {4 Q- _ _$ z
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and dead. Stems can also become infected but 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。7 \: U z) o* t
7 r% T; `& D( a0 a+ Vinfection of fruit is rare. 7 \9 f' G+ u0 x/ Atvb now,tvbnow,bttvb , N. i1 u. ]' X0 v! G0 ^3 LTVBNOW 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。 , B1 [9 B2 K3 S5 G8 K) i5.39.217.77:8898How to Prevent and Control Early Blight and 公仔箱論壇\" z. N3 P$ Q- C4 \7 ~
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Septoria Leaf Spot公仔箱論壇# W# Z2 |- {: V& T: T1 l9 ^
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Follow the 12 easy steps below to enjoy a 1 g' i) @2 E+ s$ v \" p' f2 x\" B\" j& V# T# {long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.tvb now,tvbnow,bttvb3 N, m/ z4 W8 i% T7 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。( c4 c/ {/ T; d2 ?, C. Q& } Weed your garden. Some weeds, tvb now,tvbnow,bttvb' ?4 ]; \! w+ Y$ q) R, t
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.9 t+ L2 T; [. h
3 a2 ^* d8 b% M6 S) Y+ l5.39.217.77:8898Rotate crop locations. Don’t ( T, W5 S2 G% p g& f; H) h- W, L7 \& T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 公仔箱論壇 `. X! _ B5 }! O! M& y* [1 h
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where tomatoes were grown., g) u5 d2 F4 _
0 e" W" V7 ~8 ~1 k# ^公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.- b) s/ A e* _ k
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ~- `$ A! f7 k! ^5.39.217.77:8898( W& T9 ^9 ?; x# I1 l
fungus from the soil to your ; ?7 \ U" T, O
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plants.6 ~8 h1 D& w; f3 i
1 j& N# A. A3 h" O2 l公仔箱論壇Stake or cage plants to keep them 公仔箱論壇3 Z3 `" J6 w) V( E5 P, q. S
$ U" h3 W) F* j5.39.217.77:8898off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 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 b) X. L2 q! G
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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 2 A C- |( }( r+ a) V, ~- ?& gtvb now,tvbnow,bttvb! e' [. C4 Z+ y" F7 H
space above the soil without any leaves. Do not use 6 R. Q7 I/ ?( g5 p & r% x$ Q3 t, m7 O# j( gTVBNOW 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。overhead watering. 0 ^5 Z" [+ C. I
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 公仔箱論壇: Q" f' [* h, ^( I/ w5 |, j
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 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 F6 C1 p& G( K0 V0 ]1 o" g
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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 tvb now,tvbnow,bttvb- t- F$ w8 ?/ C, A) n
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wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇5 r8 t: ~1 A8 Q/ U
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plants are more susceptible to disease.公仔箱論壇. a# s( L6 t& x. G( A# h
( k0 x8 v) T5 G& G# `: N- \1 L5.39.217.77:8898enough. If a plant is heavily infected: B( \ E: Y0 ]& R6 Q' [, R
5.39.217.77:8898, H! q! r/ q+ R- _# d; X% l8 _% U , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used . C) U9 L* Y! t1 R* J9 W. 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。公仔箱論壇2 R5 v6 M/ i' x
to remove diseased leaves should be disinfected before being used on a different plant.5.39.217.77:8898, W' ~1 M- B& O2 Q& p! G1 I
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Spray plants to prevent and control the 7 d6 ?2 a5 j' Z3 S; z# l5.39.217.77:8898 . s) T; W( k5 t$ M: {; 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。spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 6 Q6 q/ Q0 P1 q7 `- V! ltvb 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。 Q; ~! g" ^, ^, x$ U' h
GreenCure. 0 \7 j* R$ R3 K$ Q; c 6 ^+ A' e6 {% C6 n, j l$ H5.39.217.77:8898/ T: Z; ]0 e* i/ A; E6 z
Late Blight on Tomato Plants$ h+ d0 b9 v& J& M9 }
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato / V, D& ?+ u; f% t* K; j' h w + U3 x; M" e- O4 R, ~( Nplants in a garden. Once a tomato plant tvb now,tvbnow,bttvb2 D& I+ e" M" K. ~2 ~6 V
5 k& w3 y3 `8 z0 G6 a/ v1 {: p公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; X5 O) F% f/ p% y
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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 % k6 ^8 a$ Z$ X; N5.39.217.77:8898 8 W+ z g; c, H; l+ A X; Q9 J can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 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。+ c4 Q( {8 J. m/ O0 z9 s! z* S
; |3 m3 m' W& e8 Y* {/ q: ]tvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
