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 ( i5 o% a; t! A4 A* Y5.39.217.77:8898 1 L7 ]# `% c* N公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. ( C$ |+ f- o8 x4 Z2 r K3 N5.39.217.77:8898TVBNOW 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。+ n0 _7 c, N0 \' ]. y
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How to identify Early Blight , ]& h4 ?$ D; I" G1 ~# I& c / N( ? s) Y/ m/ p8 ~5 f1 x CSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 9 H; S) y3 a. Y% j1 K
* T( L1 U# }$ ~/ ?$ J1 D. P9 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。leaves may fall off. Extensive loss 3 M6 |4 H1 s- M- jtvb now,tvbnow,bttvb 9 y [& w/ R, _5.39.217.77:8898of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇5 v. Y: k' @- `+ Q" g& B
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 y' n, U' ^3 I4 E; a3 h
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How to identify Septoria Leaf Spot # ^2 p/ \+ v) C/ O) t# _6 ^9 Q公仔箱論壇 m: r" g% R: Q" ^5.39.217.77:8898Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb' s. Z0 f$ p" m5 U0 ?2 @! n- e" P! I' Q
: P6 h0 v2 f; M" 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。on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change " Q. _( }( [5 |公仔箱論壇 ( t" {+ t) c% `! s7 X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. 7 a6 \6 V5 ~9 g) C k- ~7 f; c
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Small dark spots, the fruiting bodies of the fungus 0 x) A. K\" w+ I0 `2 D* [% ~\" N- Q5.39.217.77:8898tvb now,tvbnow,bttvb! k1 g) \' H+ o i7 h/ Z4 ^9 J , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 3 E4 |7 u4 R/ c' o3 h8 h- X8 l
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and dead. Stems can also become infected but 公仔箱論壇1 m6 @1 Q- j1 X- @\" v2 D: n
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infection of fruit is rare. ) r* ?3 N5 Q2 H( Y0 |: Stvb 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。: b) N' K0 \- R4 Z! ~$ D' [: P( ~. H
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How to Prevent and Control Early Blight and + o; y% O- s4 h. }9 N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。9 S6 O\" T5 {' U/ l) P$ r
Septoria Leaf Spot ( u' {' e* q& sTVBNOW 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 D9 f2 d7 |) j8 c& YTVBNOW 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。Follow the 12 easy steps below to enjoy a ' r) I2 m) g7 {1 G1 \0 `! N. u- 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。$ v4 S( H8 J\" ~% X/ q; i1 }3 c
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ) E* d* p9 J8 d3 |5.39.217.77:8898' ?3 t0 I; E7 J! h Weed your garden. Some weeds, 9 \6 e& T9 c- K公仔箱論壇% n0 {, }; N2 ~( w0 y, K5 p ?9 _
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇 Z& y: ~3 O1 }# f
5 T" S0 z$ k0 g( U Rotate crop locations. Don’t 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! D3 c B2 ]* {
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。' U1 Q$ H" d7 N9 n, C g( j
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3 q& j+ q3 _! l- N; P' q
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where tomatoes were grown. $ D w0 l; o8 f0 C 3 E$ s# P K2 ] q, W) S6 NGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。2 q, x) p; |# [9 k1 C0 Z
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb( e6 F F O, Y
& P! I* h0 R# o8 u9 q8 w公仔箱論壇fungus from the soil to your 5.39.217.77:88982 N. l; q; @9 j9 a
; L7 f$ L) F& X8 K9 ?& f# FTVBNOW 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。plants. / p. m4 A% \* T: @# E 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。 # L4 z$ J' I/ W9 ]0 \Stake or cage plants to keep them $ U) S. z" P1 m# b. 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。 1 f0 i C5 m' C+ jtvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb5 r% T/ b4 o: }( C
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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 " o0 X) i5 C, l1 ^
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space above the soil without any leaves. Do not use 7 I- \0 H0 z. U4 ^3 v* i4 B
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overhead watering. & v6 F4 c' Q& m* r& S& YAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 9 J. y( T- N" x) c( B
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 0 c1 i7 D/ X( r% S9 Q! P/ T
) [8 T# ~6 k- m5.39.217.77:8898fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5.39.217.77:8898& y/ g3 j2 `* J
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wet. Keep your plants happy and healthy. Weak and stressed 5.39.217.77:88983 m3 @1 q( W% W9 H1 F
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plants are more susceptible to disease.tvb now,tvbnow,bttvb+ e& o! f5 M8 c6 o
. X* w+ A b9 _ x7 y, k0 ]tvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 5.39.217.77:8898; B& d$ k I# B4 r
' a! o) Z( ?. f( W' f- l+ j. G9 A公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant. % G$ u b! {7 n, Q6 C4 V1 g B' p# G1 ?8 q( Q
Spray plants to prevent and control the / u' w1 J3 E, L4 C) ]0 l8 s8 n% {1 O
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 2 {! v' I* h) e! C0 z3 C* p$ o3 \2 k公仔箱論壇: }( y# Y1 U0 u8 i2 z" ~3 L
GreenCure.公仔箱論壇6 G( Q: `3 W5 q- ]& K0 F
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9 `3 K) B- z3 P! r& rLate Blight on Tomato Plants @1 h% S$ U8 C0 T5.39.217.77:8898 " h( I# A3 z# q% y) P5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato , }0 W4 L4 P* j/ {& |, {tvb now,tvbnow,bttvb 3 T( u2 l/ l: W; O5.39.217.77:8898plants in a garden. Once a tomato plant 2 d7 `* b9 u5 B5.39.217.77:8898公仔箱論壇) v, t5 B6 O5 S [! X$ W/ U( ?. O/ B
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; M7 a6 X' S! x$ v! L3 X8 ntvb now,tvbnow,bttvb: w" Z# u# K% H9 T2 a7 O- c/ z z
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: [0 k) p% N\" n1 l+ U, |% A\" G5 s5 r
tvb now,tvbnow,bttvb; m% W) ` g1 U7 c$ _ can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and + v1 }4 U/ }2 w T8 t" G3 I5 Y p6 E5.39.217.77:8898 & _$ c- E; [( e' QSeptoria leaf spot infections will also help prevent late blight infections.