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 tvb now,tvbnow,bttvb8 L9 e# `! n& y: z
8 y0 g% F; q7 i" M' {* w1 tcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 0 N- [6 }$ a$ u' 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。- O* M' ]2 z: a' o4 N0 y
% f& C% e2 g4 A6 H6 E: u- s' d) i3 Aos.tvboxnow.comHow to identify Early Blighttvb now,tvbnow,bttvb$ `% d" ^( U3 u* v6 a7 q/ N5 |
9 G, w) _% N- @. V
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 6 ^: t! j3 T% N; k) U5 x' Z
4 D* a/ R* j/ X: t6 ~+ F
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown U- s, w1 k) L) K' g$ 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。公仔箱論壇# A/ P* @" `5 i% o% i' q
in color and form concentric rings, or a 5 `\" m& W- j& } r6 \- 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。 - c( _\" ^! g \' 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。bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇# V/ [" F8 P. n3 w" ]) ?7 x8 A+ {/ q
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。- s, r5 v: T& c$ W5 @1 v% i leaves may fall off. Extensive loss 5 O6 ]+ p0 I1 M' l/ otvb now,tvbnow,bttvb$ Q4 b" [9 Y, H0 `
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 9 _/ L& p' F! I9 Y, E5 K1 E. Ztvb now,tvbnow,bttvbos.tvboxnow.com, h1 Q+ [4 F5 Z, v0 D7 p
7 ^+ z; T+ _7 n4 z2 uTVBNOW 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。How to identify Septoria Leaf Spot ) ?% z: f% }- k9 H2 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。tvb now,tvbnow,bttvb5 w/ [# d% U$ K& F0 Z& z, t5 p; H
Symptoms of Septoria leaf spot also start 公仔箱論壇/ t! w4 i0 F2 f* i, Q
9 p) U, b Y: w
on 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9 A( `4 l4 c X$ J: z1 o
' z2 q1 ]- P! W+ y* {5 ^3 i1 Jshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb, D, n% _9 a" z5 ?
, Y" \2 n0 I% T* y3 f4 i* [3 y" nlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. % f K- t/ _7 E! u) L公仔箱論壇 6 K5 o$ m" u6 ]公仔箱論壇Rotate crop locations. Don’t & g" p/ e; ]# ]) k6 @* p公仔箱論壇os.tvboxnow.com) n% B* _% K4 C5 ], Y$ @" [
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas : f) S1 Y/ @9 i! i G
1 p- h1 |+ _# o6 S公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better., M3 o9 w4 w( f
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of os.tvboxnow.com/ s% B! Z8 R7 c0 B# b$ z
) Y* b3 l* e2 H+ S) qfungus 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。, h) [6 s9 S# D1 l8 N; D. B7 |
8 J5 C% J2 m& y2 E, aplants. 2 L& b1 x% @$ D6 E0 T R( Q6 m. r9 \ . v, F7 p( E$ e$ F# B0 E# ] O9 Y! q公仔箱論壇Stake or cage plants to keep them ! \5 O' H8 h0 R1 W6 c! b3 w% X
- u+ ?4 c% I0 f
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and Z& O# ^* o4 o公仔箱論壇 0 b. A% N# H) ^+ s. `' p* s- i% }; \tvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 2 y3 G: m, f) O& w
, J& r0 r( }; Q/ etvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use ) S* s. J* k: a7 Y7 J; ]os.tvboxnow.com! Z9 H- {; r1 g+ ^, L
overhead watering. ( \$ q0 `; o/ X8 M! ~os.tvboxnow.comAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your 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。" Y! a6 n. j2 \7 k+ r- }: w
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 ; d9 u9 s. O; u% k8 T9 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。公仔箱論壇 Q+ m7 r" P% L; q) N
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,bttvb+ o5 M" k" x( D5 K0 b. S+ n
公仔箱論壇# b5 Q6 l3 Z2 l: [% V+ u9 L
wet. Keep your plants happy and healthy. Weak and stressed ; w2 q# E4 Y0 @6 t1 M9 e5 u& 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。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。; N' ]& j! o2 s& z2 M
plants are more susceptible to disease.tvb now,tvbnow,bttvb: V ^! y( b7 J) i* x9 K
6 R6 P( O8 h( {$ }. `/ _' H6 xto remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇1 b7 D7 C8 K& @9 a3 e2 O, R+ v; F
( w% V; p$ x4 Q0 b$ TSpray plants to prevent and control the 2 o: _# Q9 k4 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。 . x\" O$ N- E/ H/ Espread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try " s2 t4 V) ~) n @/ x, O( ^. F公仔箱論壇tvb now,tvbnow,bttvb: _8 {7 R( Y0 V4 \/ V* v' h
GreenCure. + K3 m' R7 F0 m' Z/ L( e% x公仔箱論壇公仔箱論壇/ j0 `& d7 v9 u: f" F) n
公仔箱論壇! ?' u" |# ^; ?% `: B- R/ p, m
Late Blight on Tomato Plants ' ~+ l% M. X K2 N2 c9 S ; x4 a5 ?1 a m+ v' Z( Yos.tvboxnow.comLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato & P- [4 a9 I x3 ]8 q. ]1 m. ] ; }. n5 A: ~# h8 J公仔箱論壇plants in a garden. Once a tomato plant G+ A/ S+ Y' g, r1 R
, n& @; s" T# c4 A7 {. V. Iis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; W8 }. g! E0 ?- I4 E & t0 N3 j9 ]! k) `, 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。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 3 S: n! N0 ^8 a9 K2 yos.tvboxnow.com / ?+ E7 g/ v) S2 M2 e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 9 G+ V- l( Z* a* X' }4 w公仔箱論壇 + j" T" ~( M( D" @( M% _tvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
