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 * G3 I5 G9 ^& E; \" 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。3 @8 _- X; _) H9 f6 A7 K
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas./ ]! W- g1 ~9 Z$ N
/ Y# u' h, ^3 u7 m, b* G h( p( O5.39.217.77:8898 : P6 Z( v& z& |" y$ PTVBNOW 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。How to identify Early Blight5.39.217.77:8898" j) X- \; g. \' w0 ]6 o9 A
5 z+ W6 l& j k0 E8 z3 ]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 5.39.217.77:8898. u" z6 a$ Y1 X8 S" |
1 v6 K/ k6 U, T公仔箱論壇newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 5.39.217.77:8898 _& X: v2 `: T- o0 }- ^: f
6 E# t- r: @7 N8 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。leaves may fall off. Extensive loss , n" `. _+ T0 V# ?- x, `" j
9 V# k' m3 K" F, r4 Nof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ) E+ r1 Z2 [) S4 z* ntvb now,tvbnow,bttvb2 p$ s) c6 O+ H- y
* K4 D* c) {5 } ntvb now,tvbnow,bttvbHow to identify Septoria Leaf Spottvb now,tvbnow,bttvb" D8 d8 L6 n5 @' v( v& l2 H
0 b7 s: R- r% f( ~3 v4 ZSymptoms of Septoria leaf spot also start % h3 z7 X; h* T0 y) D4 i# 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。 . J/ N8 ~0 } |0 @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 ! ]2 C$ Y3 B# {. L3 ?
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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 1 ~# F ~( w8 i5 V/ C( T! u
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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。( A1 J# }% H9 P# Q
% P2 S# }) g( U0 Q, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 公仔箱論壇% N) b3 W8 s b* r [! s) @9 M
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and dead. Stems can also become infected but 5.39.217.77:8898& B4 W% R! y3 K O\" {7 [- z6 d& l
* Z' ]2 L! d6 _; H& L5.39.217.77:8898long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.5.39.217.77:8898$ F) @* l7 M! G: ?" 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。$ G2 q/ [: Z5 ?5 Y/ k Weed your garden. Some weeds, ) n9 v! x( K* `7 v: ?3 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。 : B% k3 k* a; v6 CTVBNOW 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。like 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。. Q3 w1 p4 W1 U
5.39.217.77:8898/ W2 ]6 N* \+ q y$ B0 m) r M Rotate crop locations. Don’t 9 B& G- b1 L2 L+ {( L+ Jtvb now,tvbnow,bttvb5.39.217.77:8898 i, {& l1 T/ j4 ?, P4 Y8 L k
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas % v+ V9 C- I, q& V+ ?5.39.217.77:8898TVBNOW 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。$ ^5 E7 b ]! r
where tomatoes were grown. y y3 q: E5 x2 \* S+ }( g |0 ?
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 6 k% s2 Z$ f7 H1 U- j8 Q! c- C+ DCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇9 _ Q3 A. l9 |. K7 H+ o8 ]
& `( ~1 j8 [* q3 V! otvb now,tvbnow,bttvbfungus from the soil to your tvb now,tvbnow,bttvb+ A7 [: j& A- j7 @- L- l4 F
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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。, C; T" R, u) v. o* I
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Stake or cage plants to keep them tvb now,tvbnow,bttvb( w N2 x% z; s- s
; a* E% v( a roff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and # `) ^0 c- F" k
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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 # @" ?( I# G* `! V+ `6 I5 E
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space above the soil without any leaves. Do not use F+ U# [; r/ Q' h& Z + P$ E0 a2 D. Q) q6 Ctvb now,tvbnow,bttvboverhead watering. ( \' w4 s/ g1 q. h) 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.77:8898/ z: ~2 O5 t2 }4 A
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 tvb now,tvbnow,bttvb: B( @: { n8 h, P
" Y1 Z x% X7 B" 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are * ]6 I7 R1 A; T5 g) ~& h0 g$ \# g, \5 m
wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb* ? G+ V# \/ g
tvb now,tvbnow,bttvb- b2 e7 @8 u+ z( M3 [' F
plants are more susceptible to disease.% R' i, n' |* d* Y
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Remove and destroy or throw away diseased leaves, both off the & P9 m8 D6 }9 P3 Y$ [; M' i5 Y5.39.217.77:8898* _* T& r: p8 y& E: q' s, q
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early . d% P1 {& x( n% J/ Z `2 E4 d5.39.217.77:8898TVBNOW 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。0 B4 c7 j" [. I% X4 p. C: M% Q
enough. If a plant is heavily infected5.39.217.77:8898/ l% W% a- |% {% p7 t+ |$ |; j
5.39.217.77:8898( i\" `- ^. ^( q2 O , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used ! f1 b- e9 s7 N" ~; t: n V公仔箱論壇 ; k _ i9 d. C7 o$ U7 c公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb4 F- [5 }2 e( N2 z! W& L
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。; A1 u+ L4 W r8 X! d A2 W
Spray plants to prevent and control the ( s3 i2 b\" {+ B+ q3 s公仔箱論壇4 b8 K& m: Z% o$ ~- i6 l# j
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try - w& w$ H" V5 j9 M, W, g
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GreenCure.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 k! n) m. W0 ?& ~
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公仔箱論壇4 i4 p Z6 e4 L. k; A3 d8 @
Late Blight on Tomato Plants4 L9 Q N# \8 ?/ I# ?
% s' O# ]! h! w+ N9 K公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato * y- R; ~$ o- k( t) E
公仔箱論壇* |' R1 l# l% \9 }9 z' P plants in a garden. Once a tomato plant 5.39.217.77:8898: ? ]) N% p4 W, a
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ) b9 x; N q: y" N
; S$ o3 e& s1 B7 t" Mtvb now,tvbnow,bttvbwater-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# c7 ]3 ?6 R/ T( H
5 o\" b/ e2 K' V- p5.39.217.77:8898 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。6 A/ l2 D$ L9 J8 o
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Septoria leaf spot infections will also help prevent late blight infections.
