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 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。# U. f7 W2 E3 H
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 5 F9 @2 g, r% W- q 1 h/ l: Z- x2 Ctvb now,tvbnow,bttvb 4 ^4 R# V: `/ W( J- [" o j% e$ O0 WHow to identify Early Blight 6 x5 V4 {3 {/ y: q% z& Ntvb now,tvbnow,bttvb6 p1 H3 z8 o. p2 m
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 7 m5 U* }& ]# }$ J* b
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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 0 Z) f# [" N6 p4 Jtvb now,tvbnow,bttvb8 f% X1 @7 f# W& L
in color and form concentric rings, or a , l4 p, p. ?! V2 @/ w! z' 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。- g- R0 s) ^) ~! P1 V
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 1 W1 d6 v, o. v* C # D" s( O# m- G2 gleaves may fall off. Extensive loss 公仔箱論壇) |( H' z6 |" f
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. - {7 ?+ x4 @2 Z* Y9 qwww2.tvboxnow.com) T% a0 W# S( ^, G. Q7 t
3 U8 J# F W/ U) C7 p Z公仔箱論壇How 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。9 ]4 n5 [$ ~8 |& U
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Symptoms of Septoria leaf spot also start 3 R8 ^8 @6 O* b# ?: b9 _4 @' o
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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 # X" z: E- B1 D' Y( M6 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。 - c* s2 Q0 ~& t7 C" Pshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ( n5 H/ S( Y5 R. j8 W. N( v 5 A, n0 A/ K1 J4 e( j8 fSmall dark spots, the fruiting bodies of the fungus公仔箱論壇4 T8 F4 Z9 t5 K! Q9 Z6 K9 ?) E& j
tvb now,tvbnow,bttvb! z$ {2 S9 K( C; k% K' l9 f , 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。3 h, w$ c$ s6 A9 z4 A' M
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and dead. Stems can also become infected but . e: n& g/ j# \+ u8 h
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infection of fruit is rare.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。* }* e# @& K, L
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How to Prevent and Control Early Blight and % j: h' P- {) B0 r& w) h
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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。6 X3 J5 u8 J- h9 A
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Follow the 12 easy steps below to enjoy a www2.tvboxnow.com, U k5 ^; O& J
8 f8 p5 q; }- x( X6 [www2.tvboxnow.comlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 4 W3 U8 c( Y/ ~* ^tvb now,tvbnow,bttvb ! ?0 w6 ]7 Z1 y* q9 H# R* 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。Weed your garden. Some weeds, tvb now,tvbnow,bttvb; p6 S6 u( T7 D2 _ r
+ A2 z# F0 w4 ~+ ~1 Vtvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. / }. X* \, l5 @# U* s& T. Atvb now,tvbnow,bttvb ) O6 _' w) ]2 `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。Rotate crop locations. Don’t & U ]$ S8 V% f Q0 [3 w& DTVBNOW 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。 / M% q3 A4 B" z) Gwww2.tvboxnow.complant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 公仔箱論壇6 g& ]/ \; H" J7 M
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where tomatoes were grown. 7 E; u# j3 C, U 8 J+ m \( r" C, r2 z5 YGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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 d C: t3 _9 @: `
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of - ~/ ~! _- j+ t: o. G: K$ K3 Q
7 w7 y) S! Y2 @9 v2 V Mfungus from the soil to your 公仔箱論壇5 g* f8 Y6 K: J- U. p' R+ g
5 y8 L! y) F7 Y+ ^' u公仔箱論壇plants.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。% J0 L/ ?/ q( Y, e- p3 Q- T! h. i
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Stake or cage plants to keep them www2.tvboxnow.com; S) _4 p& x; J6 J8 R
0 a5 ^: r. c. K. S2 Xoff 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。0 p, H0 S+ L5 G" R
公仔箱論壇+ P1 [( W4 B9 q1 H
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of . P# `0 M) x: O# b. h公仔箱論壇www2.tvboxnow.com$ e1 J- ]; P( E8 F5 m
space above the soil without any leaves. Do not use www2.tvboxnow.com+ m( c$ `1 X4 H
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overhead watering. * R- N$ o4 {# s
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 6 z L: y" n* F2 b# h! {! mtvb 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 : t$ |% Y1 P4 t& ~0 j% c
: L+ A; _: G) u! f2 \2 c5 Ufungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb- n3 t2 Y4 R, P5 ?- C" m; W
; U$ G o* O5 f# ^www2.tvboxnow.comGreenCure. & ~1 J! U5 t6 N0 [www2.tvboxnow.com / m$ x+ @1 ?" E公仔箱論壇* Z' L& j9 H# m, m
Late Blight on Tomato Plants( _3 q1 q* g1 \
0 J( s" j+ w3 Z' r' M7 ?3 _公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato $ K3 f4 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。) e* C. T. y6 k plants in a garden. Once a tomato plant , p9 }1 b' U! f) H, J' Y0 K4 ~www2.tvboxnow.com3 a' I& D$ M4 D# I" O+ \0 |
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, www2.tvboxnow.com2 `' p9 l: p1 v5 V
' S7 Y3 N5 p U& d }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 blightwww2.tvboxnow.com: i' J; N1 M$ H* o1 D' q
\" R6 }0 S- u! P3 r6 S n& ~8 Zwww2.tvboxnow.com can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 9 [" p# \4 p8 _, ?! Y2 o0 jtvb now,tvbnow,bttvb _- x8 g; }# j, N: y$ k1 q/ {2 hSeptoria leaf spot infections will also help prevent late blight infections.
