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 8 r- k5 u- s+ T) z* H; w! U3 s5.39.217.77:8898TVBNOW 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。 w1 d+ c$ J4 x/ ~- s4 b
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.* O: i5 u# N G' V- i
' ~" J5 r/ r% m6 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。 ; \- _6 v" a. j1 Y5.39.217.77:8898How to identify Early Blight $ b/ e) Z) t- r. M2 y& l/ W1 F B8 n. T, ]( o9 z7 z5 I4 VSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to # d0 T) ] z& h4 S8 Z: q- d& o ! Q' t/ y3 |! L/ a$ C4 i! jtvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 1 {5 i/ Q4 g( x. `0 Y1 f
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in color and form concentric rings, or a 2 P; p. C) S& j+ g* L
, f! ^\" T' N& d1 l# |! nbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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/ W2 Z6 S; T. n* Y
5.39.217.77:88985 d, ^$ ^9 ^2 i: X leaves may fall off. Extensive loss ; Q8 W1 a6 X3 g) Y- |7 X) ` % f. x! e2 n0 i) I* H Htvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. / Y- T1 Z! m! S5 r3 A3 v$ d% rTVBNOW 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。 ) `( }. K+ G* S( c2 _( q - o4 k- k5 L2 s; I5.39.217.77:8898How to identify Septoria Leaf SpotTVBNOW 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。- o1 r2 T' {# ~4 J; v
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Symptoms of Septoria leaf spot also start , p" k' E1 p; h# ^% Z1 D4 H& f& [
+ U) F% r% u5 l$ j) v6 T/ r5.39.217.77:8898on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 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。3 P" |0 k8 h) `% P# {. u1 z' X/ T2 \
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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 c1 y7 \2 B% y4 {0 N8 g1 |# | / l. r) p9 x% Htvb now,tvbnow,bttvbSmall dark spots, the fruiting bodies of the fungus ! N9 Z2 U2 z4 |+ r( }! ` # L$ f2 B. w' m$ t* _; Y1 U- l# Htvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry , j) I4 m. u6 p' f4 l
8 W+ W" G% G9 S5 C& x: O m2 U: v$ _; T公仔箱論壇Follow the 12 easy steps below to enjoy a 7 X9 Z3 X6 T4 Y: ^0 c ( i; R! T9 c2 \7 G3 ~/ V: f* glong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. . _6 C# H& L4 a0 x9 B) |6 A, I' t* s; o! Z Weed your garden. Some weeds, 3 k8 O M1 Y( R4 n; o9 L1 I3 ktvb now,tvbnow,bttvb . c$ j. C+ h! O7 L: Y* S! t5.39.217.77:8898like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. ! {, i/ y2 ?# t : d. Z" j6 q8 K' Z" ~8 a/ h& rTVBNOW 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 公仔箱論壇6 E$ `4 z4 p* S& ?! b: b U
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb$ ?6 G( \7 b3 q' k
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where tomatoes were grown. ; r0 g$ m V# W 2 ^( x! f9 P5 j4 G* Z. O1 Z8 f SGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.3 x2 C H" x! Q
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of t: E- O# y0 i& W1 U |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。 $ b* [: g" k8 W8 Z _公仔箱論壇fungus from the soil to your 3 B: S8 A8 R" A ' M; H0 w( j: F% r公仔箱論壇plants.+ s X! L& l2 z6 g1 f
# l f0 i! D% B. t% qStake or cage plants to keep them tvb now,tvbnow,bttvb( ^/ g" b" i$ ]) p8 c
3 Z1 G/ W! A/ y( x5 |' {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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes 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。) F. \( F3 I: v/ o5 w
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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 ; B" }" |* e7 W1 H
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space above the soil without any leaves. Do not use / r0 {1 d( [. 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。2 ^( H$ L7 P) c+ }) C7 ?
overhead watering. & v% U8 A% R2 B! stvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 9 S. s' C. J' R# j1 Q+ q4 V2 \2 L
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( o/ S7 U9 V/ M7 ^6 Q) i `
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 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 f* Z: j0 } p* d, H+ b6 G+ 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。/ S G) A! ^ K( g5 ]' Q# f+ i
wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇: S- r$ e! L1 U
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plants are more susceptible to disease. i* g# F j, e# F# l5 Wtvb now,tvbnow,bttvb / a& {- I( K+ j L8 | b7 R公仔箱論壇Remove and destroy or throw away diseased leaves, both off the 2 |! E& l9 x: z6 B, n! a Y) X5.39.217.77:8898 2 q9 S/ y6 x; K7 \2 P, N7 n6 n& y5.39.217.77:8898plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ( M4 A& w: K, `$ l3 i( g
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enough. If a plant is heavily infected \" P6 d% n$ E Y9 K; }公仔箱論壇tvb now,tvbnow,bttvb) K7 {4 y- v7 Y , 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1 f- z# N: t) y* p7 t$ a+ F% s
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to remove diseased leaves should be disinfected before being used on a different plant. 0 @# z/ J1 s+ Q- I* ~+ @4 `1 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。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 d* t! I( {" r) V7 T
Spray plants to prevent and control the tvb now,tvbnow,bttvb$ V+ H- w# R, x' v0 v# _5 X0 Z! ^! _
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 4 S, V3 y; x, H: H# 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。7 a* X1 B8 ~2 j0 i4 A4 R+ L9 A
GreenCure. + S% a) O; N9 o4 ]0 G9 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。- ]3 a }/ T8 d5 F7 O
5 a: E- F8 I# {( w$ P# {& U+ s! g# F5.39.217.77:8898Late Blight on Tomato Plants5.39.217.77:8898' n6 j' ?$ I6 `; p) F8 T5 G
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 0 t0 u* i( ^, i4 [. ^% 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。- ~6 e$ O: Z$ X plants in a garden. Once a tomato plant ; g' C; S: g; i T
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 3 {+ J2 ~) v; G+ R
$ s# ^' A i X/ v" d8 _; U& stvb 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 blight4 U, l4 D4 c1 F
公仔箱論壇9 {' S) ?. q& d$ \7 ]: X1 h can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and / o6 b$ y! d! X( Z' D7 C . e8 l/ B- x% l4 h0 _Septoria leaf spot infections will also help prevent late blight infections.