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 * W. d, y; I" L, R5.39.217.77:8898 1 I9 |$ _. B8 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. - S" O0 q0 `5 S2 |2 ^# j0 Otvb now,tvbnow,bttvb% y! C# X0 b5 ^$ W
公仔箱論壇6 o5 h; n/ b; @5 {! s/ Z
How to identify Early Blighttvb now,tvbnow,bttvb$ O, d& ?, z0 j ?( l
) z$ G1 }- E" s& X4 }, q4 I1 a8 W公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 8 a) L6 @6 ~" A6 K& h 1 H/ y1 ^* h+ `2 h6 ?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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 公仔箱論壇: k1 O, A& P. v4 g q/ n
/ A$ V4 q6 ~$ \: ^2 L' `; u! M5 `in color and form concentric rings, or a ( u5 ]) S: I5 h N, ytvb now,tvbnow,bttvb4 L \$ I ~0 y2 i
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 6 r' Z# |6 o! Q" R
5.39.217.77:88986 F% x+ y. s: q; t5 s/ | leaves may fall off. Extensive loss : t2 A( @2 ^3 _1 v% G5.39.217.77:8898tvb now,tvbnow,bttvb& ^; z e4 G0 C; Y
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit." A* H8 Y# e' I* X
3 w$ b9 j7 p. b( ?! |% h4 `" RSymptoms of Septoria leaf spot also start 3 z8 x' \% T' M& B& c, @- Y. 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。 5 \( L, G) q: M2 a* V# x5.39.217.77:8898on 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; r5 o& p" b( w. i3 _
5.39.217.77:8898; @% P: ~1 N, ^$ w e( E( A7 q
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 6 z+ j# k, D7 N) Q+ 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。 * K1 S" U. p7 A* fSmall dark spots, the fruiting bodies of the fungus ; `7 f& b& r( t/ B& V1 dtvb now,tvbnow,bttvb , S* n3 {' ?) Y3 ^; ntvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 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。" M' X% m9 N. q$ v" h( R% 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。1 [) J V" }5 b) B' e+ o
and dead. Stems can also become infected but 8 N6 r; V. G# _ l! P5.39.217.77:88984 P2 \/ B- ?; e1 W) u
infection of fruit is rare., X* h/ Y" O* d* A3 e6 }% L
; Q4 B+ e5 z9 l9 q5 P* i, Alike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:8898! K1 m. }9 O9 c; m; l7 J( a6 M
5.39.217.77:88989 U/ u; t+ y: g1 \8 m0 n1 M Rotate crop locations. Don’t 7 R. `$ B) w4 M$ ^0 s* N" N* G
% R3 E4 O1 ~) i5 k- K& ?1 ]plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas , V0 U+ V( l- U' h. h" U公仔箱論壇5.39.217.77:8898' f# }! Z# n& E
where tomatoes were grown.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 {% F$ k1 |6 f9 a) `$ c4 z
! V. |+ D8 Z, V4 f: {Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. ( {. e, U: R: Q5.39.217.77:8898Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 9 i; c% w( Z1 [( k2 H
5.39.217.77:88985 C/ |2 ]( s; Y3 x
fungus from the soil to your 公仔箱論壇# d- p/ s3 _* |5 L, |2 A; c( s
+ x( x- X. Y& l: m, x0 P- Z- ~4 q公仔箱論壇plants.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。$ I1 P( J& I3 }) Y. D/ k
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 U o2 v* @( }
Stake or cage plants to keep them 7 Y3 G* s! y$ j- b
! H. P* J' Z& J# h* T9 T公仔箱論壇off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 5.39.217.77:8898$ e$ E4 m7 b, ]
公仔箱論壇- W, A- x" j, O& w5 U
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of . I" @" N! X7 j$ Q; B- M! W8 y" a: S公仔箱論壇5 F' l4 Z9 N$ g* r
space above the soil without any leaves. Do not use 公仔箱論壇+ q5 E$ w6 |0 Z1 ?8 |0 I0 q% a
( K! S8 t, n' e8 @ soverhead watering. + }5 j- f, M0 s; G# `) @0 S. ~& n
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. . R' W' g! H4 _; ytvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 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。& Q9 E: j9 K7 `( L+ L3 [
3 J$ [- x5 A& B; `( RGreenCure.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 Q: |! p8 `9 f- H ]& O" N; e
tvb now,tvbnow,bttvb* [; s" d1 O/ S8 m- U. N
, F- S- F f9 I5 P% |& wtvb now,tvbnow,bttvbLate Blight on Tomato PlantsTVBNOW 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。: Y9 v |% V" d4 [" F- y0 W
公仔箱論壇9 o- w: H2 n3 b' _+ L
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ' R, m$ Q+ W+ ]+ ]; [: X; O8 L
1 m% j# M& U" b& G plants in a garden. Once a tomato plant tvb now,tvbnow,bttvb- j+ P+ [7 O! W0 {, s
# E9 N3 h# G+ zis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5 W2 Z7 ? k- E: Q0 |% 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。 9 ~: Y D0 Q' e4 r0 \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 ( D. h- a3 ?! V/ d- Q+ K& k% [( o4 v1 C T C) I can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ! k/ v; _+ o8 y! i' M公仔箱論壇5.39.217.77:8898) k! C; U* x ?
Septoria leaf spot infections will also help prevent late blight infections.
