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 0 C0 P3 X& h, m4 u5 S/ Ktvb now,tvbnow,bttvb5 M: @& H2 j& x W4 b
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. & H- G: T, z3 I/ J9 G: U" X公仔箱論壇( ^% y( f3 D) T& S
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How to identify Early Blight5.39.217.77:8898+ P, \- r3 Y2 H; z" n
0 C3 M4 }( [# x- [' r0 A# T5.39.217.77:8898Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇- P" K7 F' W. S4 W) q6 k
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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 % L% z) y( R+ ]9 E7 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。4 \) \) Z: g8 H
in color and form concentric rings, or a * K! v4 ^$ ?2 Q+ v3 [% }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* H& J3 e1 ^& Q- b! m/ t5 t% D
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, ! o6 i* O5 x7 e \$ K6 Btvb now,tvbnow,bttvb, V' w( ]! _# H0 s, J leaves may fall off. Extensive loss . I7 c* r: x! {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。, t1 q- s, E" t0 V' \& Z- T" u
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. " t, A' t2 v5 C1 K( Q: Z( d公仔箱論壇5.39.217.77:8898) V% l( u( u, ~, i2 S8 V2 a3 r h
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How to identify Septoria Leaf Spot \0 p8 `2 ?# K) vtvb now,tvbnow,bttvb 5 `+ P. P* s. l% ~6 B$ r9 i& K5.39.217.77:8898Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb8 u+ ?; ]5 B' U# F) O
6 Y5 P7 g/ t- ~! H$ R+ Ztvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change $ r7 J1 w: V. G9 T" D5.39.217.77:8898. P% C+ v4 ~- y( i7 O, d! b
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 6 R$ H$ s' T+ s% b% l1 ]( E
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Small dark spots, the fruiting bodies of the fungus , M) ~2 Y; s# c( ]) U$ C3 ~% h7 c3 R7 v) n, a , 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7 Q" R0 F" O; y# l
' ]3 O$ E6 u- ^tvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a ! |) ~. B; x/ g1 z1 B- s+ L$ g , z' \5 W/ _* Z o) ?( Dlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ) v$ D P1 o* ~& c" I( F( a5.39.217.77:8898 - e& G+ }, v2 j* C0 l公仔箱論壇Weed your garden. Some weeds, 公仔箱論壇1 s% f0 ~0 z a) _& q' F/ }6 Q' ]
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb7 }. N/ C8 C! j" M5 k$ f$ U
' s1 N0 T& c6 Y( z; L8 ]) A 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。Rotate crop locations. Don’t 0 v! t" ^- _& [tvb now,tvbnow,bttvb: @; l' @; Z* V5 _
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ! |9 J) U; @- W) I5 L8 S1 M+ Q) o3 Z4 n" a, H5 q
where tomatoes were grown.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。: o0 X2 j" @1 x1 ~: j- H d4 W. _1 L- U
! d& U6 i5 ?; {) ? t5.39.217.77:8898Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 1 F6 x" k0 y& Q5.39.217.77:8898Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb4 d: u1 g$ c6 l$ s
% n! t4 D7 g% P5 s. qtvb now,tvbnow,bttvbfungus from the soil to your 公仔箱論壇: T2 f5 a# w8 v! n: l- w
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plants. - A, W7 D/ u0 g1 G# c, d, wtvb now,tvbnow,bttvb ' F: \$ c4 }1 o* }Stake or cage plants to keep them X0 D, q2 R! V/ B6 e- ?- C- r1 f0 m
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 6 h+ t/ |" O' ^9 [4 G, }5 S% Btvb now,tvbnow,bttvbtvb now,tvbnow,bttvb4 t. L2 m( N7 W4 q/ u! d- `
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 2 P) q3 v+ R( c c1 p* 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。 ; S4 B% x4 o+ e2 y/ JTVBNOW 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。space above the soil without any leaves. Do not use 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 {, | W i\" x# r\" @9 O/ h
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overhead watering. 2 t: c( a9 p& }3 ~ W公仔箱論壇Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. tvb now,tvbnow,bttvb& s' f) H2 Y" G* u4 w: |) G' 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 5.39.217.77:8898- @$ o7 N# \" D. G D
; I8 ?8 Y. f2 B4 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5.39.217.77:88983 ?: T, k. Q* f8 z% n* `1 g# ]8 ?; Z
tvb now,tvbnow,bttvb5 g9 V9 C& s8 q8 U$ q4 O
wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇/ U: k4 |* q( N3 E+ u# i3 \; W
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plants are more susceptible to disease. 4 {5 w G, V5 L公仔箱論壇 5 k+ N. Y1 W: r3 M6 Gtvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the 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。( m0 f$ L6 M$ P, f
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 5.39.217.77:88983 v) I" u" ^4 p" b% v! X
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enough. If a plant is heavily infected1 w\" c, K, c7 J
1 \9 ?# a& }, g* o7 K) q$ j , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇9 F! v& J \$ c$ m" M: ?
/ [) v: ^ V1 hto remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb: y2 n- G) _! C6 ]8 ^; K5 m
3 |/ m$ V. Q& g% I2 B4 n5 M1 E6 s公仔箱論壇 , ?& M1 }8 c- j ^3 Y, _8 XLate Blight on Tomato Plants : U8 b9 \9 B* X0 o9 K$ {公仔箱論壇tvb now,tvbnow,bttvb" S3 W# R5 A: E' K& t( n9 L$ x
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato tvb now,tvbnow,bttvb7 \0 L' C. C4 |# ?5 C/ H
& t& P; Y% m, U plants in a garden. Once a tomato plant ! w4 p/ z" l! [, [5 O. ]: Ctvb 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。4 ^& f& S: X3 k- B* L! w7 A9 w |
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, % X- r/ J& h3 Y( y$ [. r5.39.217.77:8898 & d+ X) g. m5 [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。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 A9 Y' J C' P
tvb now,tvbnow,bttvb6 T7 R) D8 X: n5 W/ T5 E can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ) z, v3 k6 c& K* P& p6 i( j. `& _ 8 V+ }0 n4 h7 I1 I F' ZSeptoria leaf spot infections will also help prevent late blight infections.
