Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇* d% m" I' B) U" \
tvb now,tvbnow,bttvb2 s7 B r2 B& y
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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 ^' u n: K+ i
5.39.217.764 m& r7 c* B7 i( K; K7 A
5.39.217.76* k+ M3 G# f- b+ o. Y
How to identify Early Blight
4 t8 ^5 Z3 A% @& X5 W/ q' z公仔箱論壇( n: h& y* x6 e( h$ g
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
: \0 Z. g/ [! |+ Z公仔箱論壇3 ~$ P# W9 C- X' {$ V. I
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
2 {$ D: u, ? I+ V9 S4 W# e公仔箱論壇- i2 V* w# w9 o' q
in color and form concentric rings, or a
- j3 J; ^+ N' Z3 b! u, A4 @9 N2 W& v; g
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
) i( O" g, t3 K* j- ]/ h5 H8 E, a0 ? t. d; P9 w1 a- ~4 n$ y) W0 v! M9 w
leaves may fall off. Extensive loss 8 M6 u# E I+ L# e, X& J. Q
/ `6 C4 A3 ]: g
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
1 b7 g. b( ~5 j5.39.217.765.39.217.76( X8 }8 L3 W0 C% X, e& Q0 |4 [# T
8 |# z3 g* E7 Stvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot
: V" ]/ B1 h6 ~; g" P. h3 ]6 P, ^5.39.217.76
1 a7 K6 T+ ~' Y, u( b2 HSymptoms of Septoria leaf spot also start ; v8 Q0 f! W2 u* F, w
' _7 z. \) r2 A# p5 H; [tvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
2 h5 l9 q8 d8 E. Y" t \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 \) ` ~# c; G0 f4 U. q2 A
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
0 y2 ?) l$ t9 w# z( d9 Atvb now,tvbnow,bttvb
3 ]0 L. b% G. v1 B9 Y5.39.217.76Small dark spots, the fruiting bodies of the fungus
\" C$ P, L2 O( c. _\" a7 e公仔箱論壇
% y; C) f' W0 [\" R0 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。, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
. S, u: {$ A/ Z8 e) y8 t1 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。
+ l6 U- r) K) f' ]$ ?, c公仔箱論壇and dead. Stems can also become infected but
) f: E' x' B# U% b1 z: a/ m公仔箱論壇
4 e2 ?3 h6 i/ \) d+ \/ FTVBNOW 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。infection of fruit is rare.tvb now,tvbnow,bttvb! o3 u9 O. a1 K) I. t7 P4 z2 q/ `; y
/ D: i- R0 l+ g' N% V5.39.217.76# b( s1 ^/ V6 }
How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb) ^! y9 ~, Z4 X
' \1 m( ~3 s. @: x
Septoria Leaf Spot
0 t2 F0 f! x: Itvb now,tvbnow,bttvb
' j7 D/ P. t; A+ q5.39.217.76Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb) q5 D$ \. R- X }0 ]$ L1 Y
& R9 M\" `# _0 }7 Y, V! O1 h
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.7 h7 p' y' Q4 V/ B0 B
( h$ G" |* a$ R' U; s
Weed your garden. Some weeds, tvb now,tvbnow,bttvb1 B3 o4 K, t. f- ~) Z
2 N3 N7 X6 x5 ~6 _6 q9 ? E' Q公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
. N, c5 ? K3 a4 K5.39.217.76公仔箱論壇6 N& g* i1 w' r# K* b7 F% E* M
Rotate crop locations. Don’t
$ R$ n9 G5 t; W公仔箱論壇
N" y7 R. E; J% z- |. @7 @5.39.217.76plant 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" `' j+ O e5 d9 z1 l0 G1 r+ z
7 m6 R2 Z4 O% ^/ H0 Q" }% x6 xtvb now,tvbnow,bttvbwhere tomatoes were grown.8 p+ n* T. R, p& Q" l. Z, u l
; R0 c {( z4 {" t5.39.217.76Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.- \5 n/ t! G( F3 M
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
. y& \7 P3 f9 r) D公仔箱論壇$ r4 a; _3 J# @7 L
fungus from the soil to your 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。% C4 y+ d; y2 T& w
' g; v, }1 u7 c( v5 h; |2 Z; n5.39.217.76plants.
Y- A3 D+ g* M8 l, g1 d& e5 b, I1 {( h3 V \
Stake or cage plants to keep them
3 x: e% C, @) C- u2 ^ J, S+ H) C U( T
off 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。8 V( h9 e% P# p& o2 ?$ R4 z
5.39.217.763 F( I) U4 r' B0 [' N# H3 x* `" s
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of [) p5 ^$ g6 C
公仔箱論壇5 d0 c( z7 z5 C5 O0 d/ O) s. y
space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb5 @9 B; U\" M# |; A
公仔箱論壇7 i! N* b\" ^# E6 J2 ^, ^8 C/ O' y
overhead watering.
8 L, ~1 t' R0 Z1 o9 C, [" k, w. s5.39.217.76Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. tvb now,tvbnow,bttvb [: S" V% o. W& 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
/ ]: ?9 c& b% n1 }2 u公仔箱論壇% i( H) k O2 @( [- a+ g
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 公仔箱論壇* v- c& {. z9 E2 j
. c$ ^1 d) ~0 V) x" Ewet. Keep your plants happy and healthy. Weak and stressed
5 l1 @; ?\" D! X. B& k/ ?
3 F: E\" m; r+ C- I/ y# d) i% Z; Eplants are more susceptible to disease.tvb now,tvbnow,bttvb9 ]. e, O4 _5 A) B6 a# s! m* k
tvb now,tvbnow,bttvb, z0 h' s8 w9 S. v
Remove and destroy or throw away diseased leaves, both off the
: D, z1 k! p) @\" @公仔箱論壇: U0 p$ R7 J1 q* S6 R
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
- ]1 I8 E& w8 { d$ MTVBNOW 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 J: k0 [: j" J' [# _; }
enough. If a plant is heavily infected
1 l% G0 P( {8 ^4 Q3 f* R Dtvb now,tvbnow,bttvb公仔箱論壇2 a5 F$ B4 j, H! r+ K& T4 E! ]8 e3 m
, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
) B1 b" v) i) T2 n! f7 u' {2 Ptvb now,tvbnow,bttvb
8 v x; }$ c0 ?) ]& Z) A- H8 }to remove diseased leaves should be disinfected before being used on a different plant.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! v1 f* n* B7 ^; t6 b
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 ?/ y$ P& m0 X
Spray plants to prevent and control the 4 }\" [5 A% x0 R
0 v1 m0 I+ f+ P8 E! E3 ]
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
9 w' J0 R: V8 q. ` `
$ d% @) w c5 [: f, \tvb now,tvbnow,bttvbGreenCure.
& K1 u9 W |; z' A( b! K
) _, O1 a" u- HTVBNOW 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2 F; Y! g/ }7 ?
Late Blight on Tomato Plants9 W, f- f0 h# Q3 X5 u8 R7 U
tvb now,tvbnow,bttvb$ Z# t1 I! }7 C7 [/ o( J! p
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 4 }* X4 r' g. U, M4 R. }
# X+ d5 X, a& N2 a7 E/ G* eplants in a garden. Once a tomato plant
4 D9 n* [; ^& k" I6 {! A% S5.39.217.765.39.217.765 N) y3 J) V/ Y/ t2 g- ?# z, D
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 1 y5 q" b4 y- \: n: E
公仔箱論壇( ^, @, {/ n. N5 b: c! e; w
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
9 U/ H0 C* |; j9 B0 f
$ G0 j C6 F) C/ x8 w' X5.39.217.76 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight 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。4 ^! c% s# s4 B' W
5.39.217.76; U) ^6 q7 U3 I: g
Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
| 