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 tvb now,tvbnow,bttvb5 u! f0 T/ H1 [5 z Q
1 t( V( e( d+ E5 d) uTVBNOW 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.4 t% J+ a) T2 h, Q( y
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4 r& O, y: ~7 a9 bHow to identify Early BlightTVBNOW 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 j; @1 L' o6 l, q7 q, x# L
; L' `4 Z, G8 r( H# L! ~5 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。Symptoms 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" h1 r$ X7 J2 U+ W' p, E* {
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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 " W. \2 G4 Z& b- n/ G8 ~; e
2 f, C8 Z# y8 W% M\" jbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5.39.217.77:8898" ]& o/ y1 J& k! W6 T. e
3 h. E f, g# q4 w2 j2 ^公仔箱論壇leaves may fall off. Extensive loss 4 P# C6 F9 U/ o! b公仔箱論壇 / T: v# x( u& ]( i, uof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.% C* ^$ B/ S D+ _9 B4 l! U# \* A' ]+ j
2 A8 n( u6 F' Y# V9 }( B; @公仔箱論壇公仔箱論壇) b4 ^. X5 y2 m5 Y, ~6 [
How to identify Septoria Leaf Spot5.39.217.77:88980 s; R7 q: T+ f+ H: ^
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Symptoms of Septoria leaf spot also start 5.39.217.77:88983 e. Y% |; k7 o, i9 ]6 U$ _
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on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb# x# N8 |8 G- A- s+ d
; w& x b' f5 c) E# f7 R) fWeed your garden. Some weeds, ! n" d' z5 ]1 q- M: \" ntvb now,tvbnow,bttvb公仔箱論壇! A) g1 T) ~8 E: S1 X( i/ P
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.: ]. o T2 f1 j0 z2 h7 S3 ~
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。/ a4 @) [3 S v2 B7 B( G, f) _ Rotate crop locations. Don’t 1 Z: O& b T! ~: n, \公仔箱論壇 ; I0 q' [# A( [+ }& V0 H5.39.217.77:8898plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb) g: ~6 A3 r, ^- q' R5 W$ X
3 C$ e. ~4 W# [$ Hwhere tomatoes were grown. & j, r' q3 i9 Ytvb now,tvbnow,bttvb公仔箱論壇; H8 g$ W, f i
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 2 K: a+ W0 P2 i+ ~1 u( ?2 s公仔箱論壇Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb" P4 k5 P% k( y9 U1 }6 z
5.39.217.77:8898; L' X! E+ `6 ]/ g( S: _# f
fungus from the soil to your 5.39.217.77:8898' }/ X6 m, D! }
6 ]% _) t2 h2 X2 e Itvb now,tvbnow,bttvbplants.5.39.217.77:8898% H; i- k4 h8 I( m+ a
1 l1 ^5 f8 K, J& ^( a5.39.217.77:8898Stake or cage plants to keep them : `/ |6 H) e. c2 j3 b . j4 D! M0 F7 y" u1 d* c4 p0 I- O公仔箱論壇off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 5.39.217.77:88985 y* V& J8 j. M
, `5 Y6 o' C @9 f0 m5 h9 Utvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of tvb now,tvbnow,bttvb: t- K+ {4 p, J
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space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb6 L; ?- N! i3 \9 e3 [1 D7 I
6 @ R4 M5 x, P* q& ]tvb now,tvbnow,bttvboverhead watering. ' J" p1 Z, e+ b j5 N3 S, DAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. $ z" d+ j5 }8 @5 l }9 TConsider 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" K0 Q% y) n7 ~! m: J
# I# r0 z) n$ {: ~% P3 ?: j公仔箱論壇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。- D3 U5 Z$ v+ \
6 G2 m, o9 y% T& g5.39.217.77:8898GreenCure.公仔箱論壇- a w* p) r3 k; O* N6 e5 h
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b! B( q$ w1 \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。Late Blight on Tomato Plants 0 }* z4 X1 m1 ]3 {6 P4 O公仔箱論壇 f& ?1 k: G- Y) NLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ) d& i# y* b/ W) i" t 4 ^; b/ u: [+ j: A0 H. k公仔箱論壇plants in a garden. Once a tomato plant , Q: C& V- n, _, Q+ J) K
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, % } C4 b; y# |" S7 J5 \
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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 blight 0 A' u/ j$ s/ ?4 t( o1 c( Y* u# c% 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。$ T6 N6 G3 g! P\" Y1 ~3 p ^ can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and , h- N. h) R% ?6 ctvb now,tvbnow,bttvb0 P2 [0 c- y. @2 \1 e
Septoria leaf spot infections will also help prevent late blight infections.
