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 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 a5 w' ~: N, O5 O- {7 Y' U
; T( H8 r W$ v, e. i7 F9 p+ Tcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.( \$ b0 e' p. v2 l
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How to identify Early Blight公仔箱論壇! R4 Z- l4 q# Q% H& \
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Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ! t7 \* ]+ U* I' G3 B. a1 j2 a% i
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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 E! p, D3 b! r5 F) S+ k5 R0 F; rtvb now,tvbnow,bttvb/ l( Z! G! K Z- O( ]& ]! e
in color and form concentric rings, or a 1 e- p# r4 c0 }2 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。0 h% @* _9 ]' @' e3 @+ M
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 6 E9 _; g1 Q- F P, A2 j公仔箱論壇 \3 ^7 r7 n: P; q% U% r1 G/ Y" N公仔箱論壇leaves may fall off. Extensive loss 公仔箱論壇) A$ `4 d. K1 ^8 Z. S
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 7 z' |8 v! S5 htvb now,tvbnow,bttvb 1 S3 y- c8 e0 ?+ g6 W# X8 ~ 2 @+ g* n- T" M" G/ Mtvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot ) k. J9 G, {* b+ ftvb now,tvbnow,bttvb: [ B' T+ H/ w) R6 {( f8 k( Y
Symptoms of Septoria leaf spot also start $ i C! u& e( G! S$ q0 ^; I! \2 _ _
& g2 J3 `+ R" }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 & u7 y( A& o- ^$ g
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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. ( e5 }$ }6 E/ i& y6 O7 H & e5 x. s' k! c) U, X" p* M) @% i- 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。Small dark spots, the fruiting bodies of the fungus 4 k. m& M' k, e/ Htvb now,tvbnow,bttvb ( B: a0 ~4 Q; m, A q' S, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ; u$ G0 B: v5 A8 q% ~ y$ S公仔箱論壇 & R G9 G, q6 i' T0 e0 v3 G公仔箱論壇and dead. Stems can also become infected but 公仔箱論壇$ {& z3 `* ]\" o3 m2 S8 S; P) _0 Q
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infection of fruit is rare.5.39.217.77:8898& a e" e" M: U8 r& D `
/ j* r' y* F! W& c2 rlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 6 o# ]6 g" 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。5.39.217.77:8898' {; g7 r" k, _8 l. B/ p( ] Weed your garden. Some weeds, 0 P9 I! L# ^5 u0 [: G# n; w# Q 3 o, D. h3 K: w Y+ Elike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. * w/ U6 \: ~* X! r) P& M / G- g( Q- s% T7 Z" ]% Y) a9 ]5.39.217.77:8898Rotate crop locations. Don’t ; z8 `% q8 d6 L. v$ a2 k
+ t5 D" |7 |- 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ! l; ?! ?* M, F4 o( F
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where tomatoes were grown. * c( E/ D, `, n9 j+ ^9 C& n7 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。3 _" R, F9 o* d( E5 b& W8 w
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. : i2 j6 y% T7 \( B9 \. h0 w& Qtvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 3 N8 _2 C* D# j3 m$ 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。0 F! J/ }8 Z: g+ ?
fungus from the soil to your * D3 |) s6 U3 L' S" 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。 F$ s; K& [+ c% S& J. r+ Tplants. + {& P) R8 p0 d/ e公仔箱論壇公仔箱論壇# W* r6 W4 S0 V; u: |7 D. N$ G# ^. U
Stake or cage plants to keep them " T+ I3 F/ {. i" W3 t4 J/ j& C6 K0 N! v公仔箱論壇 7 t0 H+ H8 d# Atvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 9 d8 \; i( \+ L" [1 A$ ?9 N公仔箱論壇公仔箱論壇7 ` j8 }3 C2 y! k, \
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 7 S' l: X1 V& V" T0 S/ }公仔箱論壇 # T$ L- {; u+ Gspace above the soil without any leaves. Do not use - |6 Q4 Y: d+ z7 ?- U* 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。 0 E5 T6 O! r6 Q& X' z2 T6 eoverhead watering. 2 l7 ]) u2 c3 P! r5 }$ @. A0 U* ?Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. . c" j) B6 l7 D: Y8 K2 LConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ? @# y' j* g- c( k4 a ?$ w 2 I4 ?8 g; w+ R" f9 Hfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " E' F a& V3 W7 n; \7 |4 ?5.39.217.77:8898 2 j# B: Q3 \" \8 h: Ztvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed * o5 y/ `8 X- B0 @/ S; J
) u* Y, E3 T8 w- M0 @tvb now,tvbnow,bttvbplants are more susceptible to disease.! Z+ x' v* c; g9 c# v# ~" H) ? O
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Remove and destroy or throw away diseased leaves, both off the ' P. I; Q% }5 t$ d4 etvb now,tvbnow,bttvb公仔箱論壇( o9 u! ?! }7 A6 E) ^3 A
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb1 T# N6 n# U) N5 l1 s* S
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enough. If a plant is heavily infected 5 q' }0 N. ^5 Z9 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。) Q9 e$ \; N0 S' h- a , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used % e! ~) ~$ x: `: |1 ktvb now,tvbnow,bttvb ; X0 _9 a; s# n4 \9 n o' Z3 Z3 |to remove diseased leaves should be disinfected before being used on a different plant. % U! P" B0 d% f) A$ u$ g" O+ kTVBNOW 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 A0 f$ C2 o( q. X
Spray plants to prevent and control the * V0 k- Q& n7 \5 E; Q5.39.217.77:8898 - F# L1 k6 \3 B5 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。spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try * } Q. j& T; Y : E4 N- i5 U7 \: m4 NGreenCure. % L& O+ x X9 {0 K' W `/ p" }" n0 _ , h* T$ l( n2 f+ E, x# T1 Otvb 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。$ I% J+ h4 i7 i, a3 @) f. W
Late Blight on Tomato Plants5.39.217.77:88988 m4 c, y' n4 v( M0 e# t. \0 C' q: n
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato & C5 {: o0 ^$ H2 f- H! _$ o! ntvb now,tvbnow,bttvb+ P4 m& G2 K# C( M2 m, S/ x$ K: [& g plants in a garden. Once a tomato plant tvb now,tvbnow,bttvb" H8 @( X& H* @- l; H9 ?
/ V* Q7 }3 y/ ~+ A4 ~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, 0 ~9 E1 Q) C5 m6 N) o5 Ktvb now,tvbnow,bttvb ' z b6 {. F6 Jwater-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 blight4 [/ c2 I* k, m
7 h0 k7 G# X/ k' Otvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and $ N9 ~' i; g: E N) L, S2 c M1 i8 s* H4 u
Septoria leaf spot infections will also help prevent late blight infections.
