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 , I. f2 l# T( c$ X6 t6 X$ ^' L
% J1 l' d; c3 J" `0 F. b0 \
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb9 f: p, H$ o) V$ q4 r
/ `4 @, X3 ~7 h" K. t. g Rtvb now,tvbnow,bttvb/ z" m& E* s% g) l. q; }" ^
How to identify Early Blight : c/ w A) A9 W$ T0 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。 ) I5 C8 k6 U, aSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ; \; H; R. c# I( mtvb now,tvbnow,bttvb ' j! z' t" ~( P c( V# A: E1 E- M5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 8 `+ T+ _$ g L- @/ Y- P/ ]tvb now,tvbnow,bttvb' b/ ~. A$ S1 o! z* g
in color and form concentric rings, or a ) N* W4 C! d+ w7 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。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。; y& {# b\" J4 j* k+ W
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, $ l( ^) d+ |* v( T" x n1 s2 {. | 5 p4 p; O8 [: 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。leaves may fall off. Extensive loss 0 N% ], l- d& F# w, d: i- j
4 b8 [' @% |+ n& C0 H! 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。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。: [3 p$ N, w; ^1 `8 T a6 ]( P
2 P$ u; D" e+ O& 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。9 n9 L; w6 Y8 y7 c
How to identify Septoria Leaf Spot # n4 e: F+ w1 X+ q9 d% }5.39.217.77:8898 {7 C& \& L+ y( _tvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start ( T$ k- A& X! _: s1 G) Z( f, U$ D
tvb now,tvbnow,bttvb$ H) x7 \+ |' q7 e( X) f1 V
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 5.39.217.77:8898& d9 l/ n. s# ?9 C% p/ w/ V% P
: A; Y. U- S# E7 |+ ^8 [& {5 t, {* 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 9 U$ x, b( [1 {" A E6 G* G1 Utvb now,tvbnow,bttvb公仔箱論壇/ H. {4 q2 P2 N/ }
Small dark spots, the fruiting bodies of the fungus : }# x7 M& E- ~; n2 ctvb now,tvbnow,bttvb 8 Y6 J7 A8 m* mtvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 公仔箱論壇! ]7 c; W. o! {% [" C+ H7 q% G' t
+ C; f% O\" R$ { Plong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.0 a K. r! W8 h m
tvb now,tvbnow,bttvb7 D( d6 Q% `$ ]) f Weed your garden. Some weeds, 2 H* j6 v3 ?8 F: W; t3 mtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb3 ^# ^7 l3 `" g% I! T/ ^* z
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. # J0 c1 t% Y6 s% S( i5 l& E& T9 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。 ! }6 ^, q' L* O 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。Rotate crop locations. Don’t 0 E# g; e; W- Y) A , s" _6 \. f" s( o) o1 rplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ' y' H0 D2 Z% V4 m
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。9 Q0 D! u. f/ L$ D4 l
where tomatoes were grown. & J7 A& C! t, k3 a- ]( 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。5.39.217.77:8898# O' T4 [6 Y1 O# t0 G9 D5 O
Give 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。$ V& ?5 G6 U* c
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇) A7 L. @( s0 K: z2 Q+ ~
* P& U0 q) J" l$ X, `fungus from the soil to your ' C4 O. a. @7 U2 i% G4 }3 v; [8 Ntvb now,tvbnow,bttvb 6 X+ }6 Z5 q5 M, j公仔箱論壇plants.5.39.217.77:88982 |7 Q/ [6 T( C. }; Q3 x- t; Z N) W9 `
tvb now,tvbnow,bttvb0 A" |* v# s, Q( u6 L# n; ~
Stake or cage plants to keep them 2 g, ?, S" A8 a* j0 c4 m9 {5 W $ S7 d2 y. r9 {& Toff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and o% X- g/ n% a* H- o
4 B: h4 h4 ^9 B& p( H: lcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of - X( h4 l7 y9 { `1 M1 B5.39.217.77:8898tvb now,tvbnow,bttvb j, x p- [& \0 Z% z3 ?
space above the soil without any leaves. Do not use 9 N$ v$ A. F. r9 s- q: k- g/ z
# x5 S9 m; g+ t' P: S voverhead watering. 5.39.217.77:8898+ I( s1 H* A! s1 Z, x" H" {: p
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 公仔箱論壇7 d0 t" f- E: \
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 ' B: P3 q9 r3 a. g, Q0 A
' X/ l9 O1 `8 h6 W4 Mfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are ; i8 p. s4 |# k8 f* g1 R+ B+ `$ Q7 ^# [* O# l
wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb1 M5 k4 n) r) i0 l n. Z5 c1 i
2 v8 P( m7 m# D( z _. B- v5.39.217.77:8898to remove diseased leaves should be disinfected before being used on a different plant.2 h2 f( Q$ E) ?. z/ q' @
* X5 B" q+ e# ?+ Q1 O
Spray plants to prevent and control the 5.39.217.77:8898$ f; [4 L' _5 R% G$ R/ J |8 h
公仔箱論壇- G4 _/ ~6 f7 H/ C
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇' O# N9 C3 c1 p/ @' J# B, f. N: x( b1 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。( F; e) B; Z9 m) K
GreenCure. 8 D( @8 i5 G# }2 x, J8 V/ [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。 - l, l: T& l7 c( Ztvb now,tvbnow,bttvb 0 ^. Q9 _, X; {& }: \Late Blight on Tomato Plantstvb now,tvbnow,bttvb& R# W: f U! G
; W, d3 _# o/ @; A3 o5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato : e) L$ [0 y; f- F7 i4 ]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。 # W% T! ]- m; l* Z. U1 [9 U0 \( 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。plants in a garden. Once a tomato plant 5.39.217.77:8898( A% C1 p8 f% I4 v
$ k3 u- E, w: [, M0 h. jtvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, : x# n; ]$ `2 N6 J; B
0 }9 h2 l/ R4 B; T2 g/ }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3 C4 d) J, n! Z% s/ U
6 i* K. C3 K* `+ r7 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。 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 2 t# Y% g# A& Q) \7 W
5.39.217.77:8898, o4 U' n0 Y/ N/ j* H
Septoria leaf spot infections will also help prevent late blight infections.
