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 9 r7 Y; w& a" O' Y4 E7 Q4 YTVBNOW 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。 ; o7 F$ e- |; f/ u% c& Rtvb now,tvbnow,bttvbcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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 y' |% C5 M2 {6 W7 Q7 I' u
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How 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。% ^, j: C! [6 z- q7 g- ]$ k
# a/ r6 W$ P8 S5.39.217.77:8898Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 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。% X9 t R, J* P( d( o9 x3 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 tvb now,tvbnow,bttvb. N! M. R0 _, A- b2 A) B
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in color and form concentric rings, or a 公仔箱論壇7 a/ S, D; }4 @! O. D
4 T T+ z( x m/ e2 U, s! Gleaves may fall off. Extensive loss . G. [9 h! |8 t2 g, s: Y( h) E- q2 B a9 x% Z
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.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。& @! n! Y$ `3 E0 n0 B
2 ?- c8 K" U8 V) J& r 4 y+ U+ ]+ \8 k) K/ R2 r9 O& THow to identify Septoria Leaf Spot 6 `8 o9 g v3 v# }; }5 |) h% M E公仔箱論壇( J8 N% c/ Y# N$ M
Symptoms of Septoria leaf spot also start $ D+ k1 H( q6 R" \tvb now,tvbnow,bttvb公仔箱論壇; [0 M4 p; n! w9 j d' w
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ' v3 W9 _: w, q% O+ k9 v- _6 ntvb now,tvbnow,bttvb J, `; s1 u( O K6 y) C5 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。shape 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。+ G: z0 p0 i% f/ G: H. \
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Small dark spots, the fruiting bodies of the fungus f A' J' z$ e/ h
) \7 D% t9 \2 C- Y# n3 l: ~, 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。Weed your garden. Some weeds, , q8 B: N5 w" z0 b' 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。 ! ]! W7 ~9 _4 ?; y. [* z2 r5.39.217.77:8898like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb: I J7 ~2 I8 f! b7 j& A1 i$ `4 e
tvb now,tvbnow,bttvb' S- [; J5 O- |# [6 w9 v Rotate crop locations. Don’t 7 H2 O" V1 y' l4 {1 t; ?# r7 T. f8 f公仔箱論壇5 ^# V! o8 P( @* E. G! q% C
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 d5 f) O, T# a! s! ?) Z- L" \
/ l% K# I) |8 J2 c5.39.217.77:8898where tomatoes were grown.: h) J I3 l- K8 _+ C' K6 c
! k9 r4 J- ]- b: T5.39.217.77:8898Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. # \- F3 d- N0 M- ^$ Y; }tvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ( p9 N) G0 x' [4 J% [
' d, \$ D) n6 w3 hfungus from the soil to your tvb now,tvbnow,bttvb M6 I7 D! S+ X: C8 z. v
" a+ t0 P; I' |tvb now,tvbnow,bttvbplants.公仔箱論壇0 }% y, b! T! J1 G6 q* P* g |* r
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Stake or cage plants to keep them 1 G7 j+ q9 j" L. Ntvb now,tvbnow,bttvb+ m+ i4 C. ]6 Y. x" F+ U- L6 D
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and % f9 p [& [' j* T M( A) J O9 [: L' p$ g5.39.217.77:8898cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of # ?4 J% U* D: e8 r4 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。 - n$ b# L4 Q$ X; ? x公仔箱論壇space above the soil without any leaves. Do not use Q5 v4 N$ f# \ E# b# }6 d
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 I2 G: ~2 w5 [1 P& M
overhead watering. 9 n% O% c7 U( Q4 P0 _$ 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ! k. E o: h( E8 N+ q7 w: oConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 公仔箱論壇9 I+ @, u/ Y+ Y* {
5 s# v& _/ _& V* X1 V2 D9 j% ]tvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " \- f0 c# _/ h3 f* Ctvb now,tvbnow,bttvb % A! M/ s! l6 c- q' y5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed $ }$ u$ b$ {6 h7 v
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plants are more susceptible to disease.tvb now,tvbnow,bttvb3 y( h) C1 y' F4 n
" p5 A/ f- B8 R6 o) A: w0 |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。to remove diseased leaves should be disinfected before being used on a different plant. h( V3 _( v1 h& F7 \1 D8 H) ?- d# u
U* ]0 {2 t+ \2 Y. a6 x( ULate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ' N' C& {: h0 H' k+ e( h
tvb now,tvbnow,bttvb9 \ C n& y( b9 P% w plants in a garden. Once a tomato plant 3 l D8 S! S( @! Wtvb now,tvbnow,bttvb# D7 b' x" c' K3 I4 N/ t) P i% Q
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 2 z: }) I3 A' K B' [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。 , ]( q- J. O& e/ Itvb 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 blighttvb now,tvbnow,bttvb% Q) C6 d( Z; }1 @\" Z
