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 + p3 g1 ~& x3 _4 [公仔箱論壇 8 [5 B9 E9 p! 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. , j* @8 g6 o! @4 \% k I9 L6 l% n+ _( l( I- h 8 u0 J3 Z. P: wHow to identify Early Blight ' q- k/ Z4 b Q8 z2 `$ |9 F1 I; k- S5.39.217.77:8898 # X9 O$ u7 X ` ]1 E5.39.217.77:8898Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to $ A5 v" `6 q2 W4 Z) b u1 x# U2 Q7 P, ?. P: _5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 3 j7 I8 T ?' U& S公仔箱論壇5.39.217.77:8898) w4 Z1 F U- p7 v
in color and form concentric rings, or a ( v- L, Q2 n+ ~2 P0 i- N3 Q7 D6 Z5.39.217.77:8898- f \3 ?5 d2 S
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, % X8 c0 I8 h; G! V0 H/ Q- }! w9 S2 @* W5.39.217.77:8898 / @& g1 A# ^2 _, o! T2 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。leaves may fall off. Extensive loss 8 r6 |6 s9 z9 h z" H2 O5.39.217.77:8898 9 _3 o% c# n" [$ ]tvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. % W8 g9 ? }% H, g9 W公仔箱論壇 . N" \1 z6 }! r0 N+ s2 K2 q8 dtvb now,tvbnow,bttvb 9 k# p, `) G! J! kHow to identify Septoria Leaf Spot ! A7 a) }' u& I! k 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。. G' n% ^# p$ i; f( ~
Symptoms of Septoria leaf spot also start 4 M3 a* r+ g0 N3 t8 G1 c1 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。3 y T1 j4 k& U& N% [6 }4 U
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ; j* J# I% F- T0 b7 r2 Q' nTVBNOW 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。 $ Q5 `* C1 P& P# Q/ B4 A公仔箱論壇shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:8898. g M) ~2 x* I" e- R
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Small dark spots, the fruiting bodies of the fungus公仔箱論壇 K; D! y7 V! ?0 y
5.39.217.77:8898\" R# S( o/ j+ x9 V3 e , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 2 w( l# U7 r* b# L# V3 d) K" x* j" f9 v* A, J* A
and dead. Stems can also become infected but \" J- }8 Q& t4 _+ d; ^$ O
- U0 g2 O! A6 t2 l8 S4 {tvb now,tvbnow,bttvblong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.5.39.217.77:8898% d o. l" b" `( v( p( x
. F4 e D8 X) Y; q Weed your garden. Some weeds, - w+ p: y- O/ }9 y% B0 ^# s6 F+ f公仔箱論壇tvb now,tvbnow,bttvb2 \% j. [* I6 e1 W6 [
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb, M& v0 T: d! H
7 O b8 P0 Z# |, a9 G8 tTVBNOW 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 tvb now,tvbnow,bttvb( k h: T6 {7 O
c" g2 k* f' E5 Dtvb now,tvbnow,bttvbplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 8 P1 u) n& u3 h # f3 j8 X* g/ `公仔箱論壇where tomatoes were grown.1 k+ Y7 V7 A6 d4 J. `4 z* T+ ~
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. ! r' x# D6 A5 @& Z5.39.217.77:8898Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of % ]. J [+ R4 J! z" q" @" [, u2 {+ ] M1 Q8 N) }6 L1 c公仔箱論壇fungus from the soil to your tvb now,tvbnow,bttvb) g3 _2 e) K4 Y8 G
/ ?% Z. \: \4 W0 I; e8 C6 jplants.tvb now,tvbnow,bttvb! @$ @# J4 O4 h2 \* B
8 U. U7 s0 n- P5 X5.39.217.77:8898Stake or cage plants to keep them $ }6 y8 O% e: \7 k; eTVBNOW 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。 ! O2 p) w- o2 h, m5 vtvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and * d+ x0 }; [# S
- p; M8 V ~( Y0 c* f/ p! 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches 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。! ?, n' F6 B! C
+ r8 o4 \' P4 I9 O1 _% n- l公仔箱論壇space above the soil without any leaves. Do not use $ m3 s# n- R/ B9 H B' Ltvb now,tvbnow,bttvb # k( C2 \4 L$ x' q+ Gtvb now,tvbnow,bttvboverhead watering. - {& f/ W* `( O8 Z. n. q, W% j/ PAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 6 g8 j+ X o2 R) t' E/ H1 w5 gConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 8 }# h4 }* P; e) D, p公仔箱論壇 ) h+ u; q8 @4 |# \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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are % W2 J& x8 f# u3 y! y y. U: _公仔箱論壇 % E1 p, L9 C% q. x& v5 Twet. Keep your plants happy and healthy. Weak and stressed 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 v1 ` J( [/ [1 y
5.39.217.77:8898+ U1 T% ^( d( L7 ~8 t
plants are more susceptible to disease.tvb now,tvbnow,bttvb: h- j3 O; v! H# ]) [6 \8 _" E
( g4 K2 n3 ]% r& R, fto remove diseased leaves should be disinfected before being used on a different plant. . T5 n$ u! |2 _ t! n6 F5.39.217.77:8898 ; Q+ ^3 Z# |# ~4 u- 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。Spray plants to prevent and control the 6 P0 x; D0 W& L1 |! ytvb 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。( `4 k) e: Q# N7 _$ Z
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try # l, q" g* o# U$ c! Y1 k
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GreenCure. 1 ^$ E$ `+ ?0 O2 S% `/ E9 L& R/ eTVBNOW 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/ p% B1 y; I3 z% h8 Dtvb now,tvbnow,bttvb5.39.217.77:88987 g% A! b$ _0 w5 r8 G/ n
Late Blight on Tomato Plants ! T4 d l- K3 @0 A" Y2 dtvb now,tvbnow,bttvb # D! E: t5 T$ h/ y& J$ sTVBNOW 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 is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇8 ?% K- c0 d' D/ |) u4 C' i
5.39.217.77:88983 q* [( F) m3 o4 G4 a3 C; j plants in a garden. Once a tomato plant 1 E! r/ U! t. ?/ \ / Q) ~9 H7 }) A& \+ f公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5.39.217.77:8898: [( i+ E* u0 _" G$ Q. F
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。' O8 F8 Q& i4 U3 |/ G5 X @
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 ( c8 Q5 `0 ], i9 } / @* z6 l: j\" y5 S2 h8 N4 R B公仔箱論壇 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 1 J! G) r d/ X4 G: R! d; L公仔箱論壇5.39.217.77:8898- {- n& ?9 Z/ X
Septoria leaf spot infections will also help prevent late blight infections.
