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 - E5 _5 V8 t4 ]* [' ^9 ]: K) P( s2 p. j; a4 y
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.1 e5 s4 V9 O! a* A! c n$ \7 a
3 O& E+ l4 ]5 U- W' `3 ?$ Atvb now,tvbnow,bttvb: r+ x% f- Q% c; y2 c
How to identify Early Blight% m1 }8 h/ B$ [ A8 c* i
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。; Z7 j6 E3 }. d
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ! H$ t6 p- ~0 O: I- z2 s( `0 g# wtvb now,tvbnow,bttvb - i: f- E8 q7 y ltvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 5.39.217.77:8898) L5 K5 x7 w1 w+ c* G2 x5 l' K7 U5 O/ W
3 M, Q- h, l; I$ ?+ m; F5.39.217.77:8898in color and form concentric rings, or a * j3 {5 e$ P) Q% r$ c公仔箱論壇 $ a9 n8 B& h/ j' W' bbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, $ o" a3 M" _5 ], j; H6 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。) |& f* D3 R- e1 f; f3 y9 I3 Z" V: j4 a leaves may fall off. Extensive loss ) U5 w# P B( j1 o/ ]# Y( V0 v: L7 ]9 |5 t$ z
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.5.39.217.77:8898. n7 Q( P) o' I
5.39.217.77:8898/ @5 I- [, A# B; ?: K# [3 o2 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。" ]! v/ \( `+ `" k
How to identify Septoria Leaf Spot! D7 ?/ X- f: G, z0 M6 k/ m
5.39.217.77:88987 o& o& U( A! o. U* w
Symptoms of Septoria leaf spot also start 5.39.217.77:88980 {# @9 K' o" p
; P) V6 H( Z* T) C( i! G8 z
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ( A1 r" r' D! |- I* a9 m9 O2 Q% {' x' e* g; q. a, v6 ^: m k& f2 R1 X
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 7 d( s9 e/ C, f1 U: I" Z+ gTVBNOW 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。tvb now,tvbnow,bttvb" J8 Q. n& P) y7 ^3 @
Small dark spots, the fruiting bodies of the fungus ; @# K% r: n; m* ]. H$ F公仔箱論壇公仔箱論壇7 P2 d) c, N. c2 _ q , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 0 a" v {3 ~6 q9 k( |* B公仔箱論壇5 s1 o0 I* g: M a$ _
and dead. Stems can also become infected but 5.39.217.77:8898\" C2 k* A R* Y. U
% f! l6 L8 L( Q/ |. g5.39.217.77:8898Septoria Leaf Spot $ y: @! [3 V3 W \# q1 f5.39.217.77:8898 $ X# j# w- K' S9 A* k2 a' WFollow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb$ X* v7 y\" F% |6 m+ C\" M
9 X' k+ t8 n# w d8 H+ A
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ) M' p! I- O8 ~5.39.217.77:8898tvb now,tvbnow,bttvb/ W: y! U( u# U1 ?2 h Weed your garden. Some weeds, a8 V, B& J% X+ 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。 ( ~# T+ Q* o( D: XTVBNOW 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. $ H) c" `4 | m/ X' d* Y1 KTVBNOW 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。tvb now,tvbnow,bttvb8 |. v A. k* D9 x; O Rotate crop locations. Don’t . X! W" S' a- @2 U6 r2 Ytvb now,tvbnow,bttvb0 ^! t2 N/ i$ b: d, C
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ! b1 T0 c* b1 m$ ?6 T5 |5 H9 t% C& q; [( I$ j9 h( Y
where tomatoes were grown.公仔箱論壇& [' q5 I3 n* @' }, x; ^" E
tvb now,tvbnow,bttvb- }! B# M' a$ x) d/ R; F
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. ( Q; Z8 u' G5 w* i# x+ Z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 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。( V2 ^, P. a) Y$ ?8 ]$ U! k0 s
8 A5 P1 F% {6 ?9 W; |/ n/ lfungus from the soil to your 公仔箱論壇1 k- n4 w& A. ]3 i' `9 a, k
7 g4 q5 A' p% Z1 Oplants. / [" q2 x- u# @; Ctvb now,tvbnow,bttvb % o* [) O; U2 L( n8 p: p! V公仔箱論壇Stake or cage plants to keep them . O* [9 q( U3 _9 L! F0 A公仔箱論壇# u6 d0 ~! Q+ Y4 M7 O
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb4 |* e0 o. [ N% \
. ]1 Y$ h+ f* R3 v* ~0 n% V
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of & B& O4 \" m8 Z$ k; W9 {5.39.217.77:88980 B) R# E4 X: e
space above the soil without any leaves. Do not use + c7 e) t* l& J% ?3 u: B8 R# D\" _/ I \" R0 |4 `3 k9 D6 M3 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。overhead watering. 6 X- P" T' w6 E' ?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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. . ?+ }0 A0 @( B3 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。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 tvb now,tvbnow,bttvb+ U [' h1 H+ q
0 k) s2 _" X+ m1 Y8 Rtvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 3 [( x# G% @7 F! Q( w6 Q! y$ b2 a, D
wet. Keep your plants happy and healthy. Weak and stressed 4 K* w5 i8 Q3 ~$ l3 `
- _) y1 s! u: Q8 P# s$ 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。Late Blight on Tomato Plantstvb now,tvbnow,bttvb) `- z* v# `4 O) B( i( N5 O
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。4 z0 n: `1 v4 J. d% b
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ( ]& l1 S; I8 ~6 ^9 _7 @公仔箱論壇5.39.217.77:8898) t- {" l% g F x \ plants in a garden. Once a tomato plant 公仔箱論壇4 X0 x9 {0 W U/ O$ g) ]
7 M8 A' X9 p; s% n: k! O; g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, $ q! d4 e) ^) G6 t, `! W7 y6 Z1 PTVBNOW 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 O, y) J/ o6 O+ p7 M
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公仔箱論壇7 Q% j0 Q3 `/ s4 E4 F' o( O7 V
, w, U2 G2 N! |2 N6 \% O\" q: m) d can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 3 {: X5 b: y4 s! E( a0 @( G 6 B* h( J0 V kSeptoria leaf spot infections will also help prevent late blight infections.
