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
$ P; [' r9 s$ `5 {+ Z. J, y6 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。公仔箱論壇1 V8 X# h! r  R3 `' _9 s$ a
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.76* u# w8 ]7 H" ~+ `( Y3 q/ Y

# S& ~1 U+ b% j5.39.217.76tvb now,tvbnow,bttvb2 c* B( F/ Y. h( Q' M) l
How to identify Early Blight
* U6 S& S- F* p- E7 Z. D
: D/ A" |- y% v/ 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。Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 5.39.217.76, T7 q$ U, ]% T3 s2 R
公仔箱論壇! g% x) Y" J4 l+ `
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
/ a0 D4 J( {5 D公仔箱論壇
3 q# G$ X: v: s) R; N! x9 a5.39.217.76in color and form concentric rings, or a 公仔箱論壇  Y  O% u' ^8 F( u3 ~' B. z# _
tvb now,tvbnow,bttvb4 \\" v/ Y, g+ p1 q
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇! A( g3 c' ~! ]/ ]% f+ ~4 U/ A

. G1 Y) i# @4 S+ b0 b# a9 G5 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。leaves may fall off. Extensive loss
/ P" b2 b1 h4 O$ F. S0 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。1 D9 l) b/ p9 @# v5 O( Z
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
( v5 B  N' I9 Y/ F5.39.217.765.39.217.762 h# I3 v& P. B7 ^( t2 v
tvb now,tvbnow,bttvb0 M' S2 S2 U& W) \7 y- E3 m
How to identify Septoria Leaf Spot3 f2 o+ j7 y; X* D8 B( B+ S. J( g

# _0 r* }0 U  I% `tvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start
6 |- d* F% D" g7 R
( {* ?, d% L1 \% g, Qon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 公仔箱論壇: M& T4 u2 r0 j
5.39.217.761 i& r/ K0 S7 A" ]4 @; 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. ( Q" [! M" e; l/ s3 F

( L0 T$ \, |, K- Y7 E公仔箱論壇Small dark spots, the fruiting bodies of the fungus
6 z* t: `7 z) M  K$ O. ?公仔箱論壇
: m0 k8 c0 d4 j8 M/ T, 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 `; ?5 t4 Q1 o6 P3 d1 a
7 w+ {* F4 n! [( m4 ]/ \  n
and dead. Stems can also become infected but ( k- T8 h& V; `2 }$ s+ u% ~5 c
公仔箱論壇9 k1 W6 C& N- s) i6 N, |0 S4 k( Z
infection of fruit is rare.公仔箱論壇; \! _0 W1 q, w9 G. {8 h$ g

3 l/ [$ D* Z* }! r' e
/ ^% f  V# r! l' y! `! J6 b1 Q公仔箱論壇How to Prevent and Control Early Blight and ! J) B3 N9 K+ f1 a8 p
公仔箱論壇, I7 C) J5 l) m) t/ z6 T
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 D6 b% A1 Q2 J  w9 [

5 m6 X4 N6 Y9 w3 R) f5.39.217.76Follow the 12 easy steps below to enjoy a
9 d% U- N\" A) m\" q$ l
# M8 y% Z; K4 a- [1 Elong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.4 k8 u' R, N1 ~5 w7 F
公仔箱論壇. ~" c( C; {7 \+ V( }4 T" ~& ?
Weed your garden. Some weeds,
  `6 O& T* X& n- v0 o5.39.217.76
# F) G6 @3 B* D! _7 x1 C" x5.39.217.76like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
( J# l( N- o  b& R4 {2 _8 Y; i! B5 t5.39.217.765.39.217.76% a5 d/ \6 ^: H6 o: q
Rotate crop locations. Don’t
; @. G5 p% v' [3 f: X3 f公仔箱論壇
* P. Q7 e, z, T5 I1 B+ |- w5.39.217.76plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas & A9 R3 A) d7 c3 D/ C: G8 \
公仔箱論壇# I( }) Y! u- g4 J' S4 L
where tomatoes were grown.
: f% d4 J  D  G* M' z, I6 Z
6 D/ j* i! a: q8 U公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
1 A3 G& H8 d6 k% aCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
& R4 `' ~# h8 c6 X1 A  k1 g9 P3 x  p- [  P$ ^; {1 |7 A
fungus from the soil to your 5.39.217.76; D% m: C3 B" \! {; j  I7 v

% t! Y$ V: d" Z' T9 ^- [& y" splants.
7 T2 a- f+ ]2 P- B( w
+ y5 b" [0 L5 q8 w* ]Stake or cage plants to keep them tvb now,tvbnow,bttvb9 X% A* _$ C5 I: u' S3 P' p; z
& t" p; _4 J( Z
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
- d$ D* a( w0 ^9 v% C6 i- W$ T9 Z& B# |7 y$ j. B
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 3 g" G; n$ \: G' p# E. {0 J
公仔箱論壇. g- k* i/ R- c% f4 u- o9 M- b
space above the soil without any leaves. Do not use
6 k3 ]: Q+ R0 C( |3 K5 v  `  S5 t: n: a+ h( ^: ~/ x$ e$ f
overhead watering.
* [  w, K4 q6 J/ Z4 B6 qAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
- f) E5 R; p7 @- c) T& |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
  e; i8 b8 @. vtvb now,tvbnow,bttvb8 y2 L1 D. D3 c, f! t8 T9 }
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb6 t6 c1 B7 A0 t' }
tvb now,tvbnow,bttvb. D; j1 G3 K4 ]( S
wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb' [% C) z* C, B+ ?* B

/ Q# L) C+ R+ u8 Y' [- }5.39.217.76plants are more susceptible to disease.
2 h; o. b  z" _; 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。
4 e4 X. K) r; q! a7 sRemove and destroy or throw away diseased leaves, both off the
% ~6 d( ?2 J4 P. F1 Ltvb now,tvbnow,bttvb: E. D  s4 Z* S2 V8 D- |6 F( s8 _' l
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。. F2 q/ Y4 d. [

8 V" h# H7 h1 F% \" D* Y8 Xenough. If a plant is heavily infected
* b, C, d) R- P, a4 T: E, ]tvb now,tvbnow,bttvb9 W+ {2 M4 q, i
, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
5 O! x( R/ t% ^& }9 T0 `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。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$ C. o3 W5 o$ G$ r% z9 J
to remove diseased leaves should be disinfected before being used on a different plant.
# j; P- i. Y+ f) t% Wtvb 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。0 ~; g" E- S8 U7 w! H6 ]% f  Z
Spray plants to prevent and control the ) k( d% ^; E. `  J- 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。$ g- r$ X! o2 r- i1 R1 b3 |
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
6 _1 ^! b; U% R5.39.217.76
4 a/ C" i: C" ~9 U. [tvb now,tvbnow,bttvbGreenCure.0 l, v5 k; g3 K: H
0 v2 E7 L+ G7 O7 M

' u- M; b/ n$ z& e4 {! cLate Blight on Tomato Plants
3 }0 ~% F1 U% R; t4 f* etvb now,tvbnow,bttvb
8 |) }2 g, {" \/ H6 }* ~/ ztvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
+ T6 U! Q* D, G/ d+ {  I; a9 |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。5.39.217.76  ^1 t( q* S% `
plants in a garden. Once a tomato plant tvb now,tvbnow,bttvb' A* [( ?2 _1 C3 k9 g/ R! ?
. S' \4 Q2 ?6 n7 e. j3 I
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
; q2 m  Q7 Y0 f8 Htvb now,tvbnow,bttvb& O  h  k* h$ t$ v* f
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
8 [9 N; R9 c! ^5 n6 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。
6 E& V% x, P7 ?, J* A& V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 tvb now,tvbnow,bttvb. s) n2 m! u2 U$ [! g! Y" |7 o2 B( t7 @
, \2 G. u( K1 ?! g! \
Septoria leaf spot infections will also help prevent late blight infections.

---

歡迎光臨 公仔箱論壇 (http://5.39.217.76/)

Powered by Discuz! 7.0.0