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 5.39.217.77:8898! d0 g( B& L- T, L" `" C( ?/ t4 f
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 0 Q# N& l6 y$ P i+ U+ u1 ~. 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。: b, {( Q7 ?% v/ M; c$ Q
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How to identify Early Blight y8 R' o& |) E
2 k. q: x: {. Y1 h3 e" h公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to # R( V+ z8 T 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。7 R$ a* f) l) K7 ?, g! _
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown " }7 R- n; A( p6 F 5 h% N* Q+ P) }1 s公仔箱論壇in color and form concentric rings, or a 5.39.217.77:8898; \( v. U( V& k4 i+ q\" [% T
2 N$ k2 F$ @, Q! z& {- 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。bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, $ p2 a: W2 m& U- @+ Jtvb now,tvbnow,bttvb " u' D8 a9 J7 g4 o5.39.217.77:8898leaves may fall off. Extensive loss 5.39.217.77:88985 S9 R q/ w+ T0 b5 K8 z
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 6 ~' Z; P8 C- Ftvb now,tvbnow,bttvb ! m8 q: R0 G7 K3 M# o7 G q公仔箱論壇 & }- j8 }2 t0 qHow to identify Septoria Leaf Spot. y8 `6 P) H7 g. W$ L' j, e
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 ]+ d4 @5 d; Y4 q( ?, l7 `
Symptoms of Septoria leaf spot also start 公仔箱論壇: p6 a/ w% t2 G% ^4 n
" [, q( Y }$ r+ J: R7 f8 ~on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 9 J2 P. l/ [4 V, w, I5.39.217.77:8898 5 `) i. O/ v9 f* w4 b2 D rshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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 b" t* P% j" J6 T( n
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Small dark spots, the fruiting bodies of the fungus. u$ t( l' ]+ X( d9 b$ |5 v, P
' o5 K. m\" l' b5 E& G , 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。+ _ J. M" F7 ~) T
5 D( O: a& J5 M# a \- f' h+ v5.39.217.77:8898plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas - u! C- ?$ I; u" A9 Jtvb now,tvbnow,bttvb + T* J: n: N8 Xwhere tomatoes were grown. 8 |- d4 ?$ a. q3 itvb now,tvbnow,bttvb公仔箱論壇" Y. E' ^) h8 J9 \. _
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. & Y$ c2 s O2 Y, H0 r, P; @& y1 m' 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 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。- S9 |) ` F0 B2 a) ]6 a
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fungus from the soil to your : F$ h) m% u) g1 E- m3 HTVBNOW 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。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 y( r# i, M% y" ]; I- h. K
plants. & \7 v1 F6 V0 T6 b, c; {. g" {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 T1 v8 F6 L( o* x" k! K' D5 ^* 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。Stake or cage plants to keep them 5.39.217.77:88982 y3 b, L" b; k: Q8 v
) s4 I1 [# {& v" ?" J! R& t- \5.39.217.77:8898off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 0 A+ E+ l7 z' a; D5 X 4 E1 F/ ]" x7 }( b2 z5.39.217.77:8898cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 公仔箱論壇9 k+ f' \' ?; i5 F. v; f4 u8 F r
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space above the soil without any leaves. Do not use 5.39.217.77:88985 i7 z) w) n* I. P
4 r9 ~% h/ N4 ~* K- u7 w: Q! P0 uoverhead watering. 公仔箱論壇$ B' O2 i! N" D% p. d. A9 M+ H
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. + B# b, }/ }" }. atvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow + `* L" [% X1 w5 j$ D
" \8 Y9 W% L; o) N, 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 + K. V Z( q- o+ N3 k+ x5.39.217.77:8898 2 x: g1 F( g( n& ftvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed * W) n5 p3 {* Q# O- u, Y
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plants are more susceptible to disease. ( \% ^* \( j; B3 r7 oTVBNOW 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。 $ j3 z; r! e9 j: W; hRemove and destroy or throw away diseased leaves, both off the # h$ E0 f% G, }# } [+ K4 A; Y
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb! A7 \% R/ ]6 T8 j% N1 Y
3 m' D5 q, n1 N6 R\" 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。, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used * S& a; Z* t% Q! s- O公仔箱論壇 0 O m. {' v5 `7 K; atvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇2 J( L" K c3 `9 N5 j( K
% i% S- i1 ~ o/ @Spray plants to prevent and control the ' }) L+ y! z) y! l9 | % P* a6 N) y# k$ W9 k$ ^5.39.217.77:8898spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb9 d/ `6 `0 ?4 c0 |+ O/ \+ O6 Z& 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。1 z) o" ^) R1 E4 E
GreenCure. , u" g9 T8 Q! ~ `- E5.39.217.77:8898TVBNOW 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。9 s& |/ `/ a7 R9 I$ Z% D1 e5 u
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Late Blight on Tomato Plants " ]$ B" D0 D- t" p8 F & l' i) z3 u8 K# x1 c0 p- O; K7 g公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato % x$ M p+ a3 U+ \8 j2 {' ATVBNOW 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。. u- N) G6 H! V plants in a garden. Once a tomato plant + S9 o) I( N' U$ C) S; 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。: E/ e: ^ Y# I' w2 l
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb4 r9 ?( x, k' @/ Y/ n5 I
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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 blight5.39.217.77:8898& }4 F8 t$ Z0 g j
公仔箱論壇5 ]2 `5 t\" s& m5 i! ^ can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 0 a) ^9 W9 q' ] 4 X Q8 y7 d9 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。Septoria leaf spot infections will also help prevent late blight infections.
