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 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。+ d J; d. |1 H
! f* o1 L3 z4 i6 vcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. / m! _2 `! `& r公仔箱論壇 0 ^% M1 D% U- S# I * Q6 J% ^# C" c/ c1 ?tvb now,tvbnow,bttvbHow to identify Early Blight ; c9 e" S# {7 P2 N# _' P5.39.217.77:8898% u" y9 Z) q% U% {* @. I
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇* n: Q( H R. t# ~% f
" a' A- B3 x+ j. g) Y( w: m
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown @( c4 \* H( S# s* z+ C6 N& |+ b6 z! L% T, r5 ^1 L. ^ ~, J) G
in color and form concentric rings, or a 0 f% n$ \% J5 a, g\" F
8 y+ s# m& O1 V5 ~: ]: @3 b* o9 t
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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 @4 k, H4 @8 s% s- ?. i
8 H r; O* p7 G& C+ H! WTVBNOW 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 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$ V5 r# J: `9 K. r0 a
tvb now,tvbnow,bttvb$ w( R7 P! T6 i/ E
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 2 T$ |- z$ L I/ x7 k8 K) v5 t公仔箱論壇$ H8 [% P$ T8 c, j9 W) E! K
' o8 P) c4 P, r5.39.217.77:8898How to identify Septoria Leaf Spot5 o$ i1 k5 V$ f8 l8 u
5.39.217.77:88983 ?) d' b4 N' t/ x) y& _: n
Symptoms of Septoria leaf spot also start / B8 r4 m! q: 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。 6 _4 `) o9 `- o3 x6 y# |, r( hon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb5 k9 _+ u8 ^+ Z( } `7 N
- P. D. ?9 C. u6 C; a1 p公仔箱論壇shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. $ S T' ]; r* ^8 s* KTVBNOW 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。 ( R/ A) X( t/ I- v3 R公仔箱論壇Small dark spots, the fruiting bodies of the fungus; z; t: X: R- y$ W9 l- l; ?. L
5 U& z, ^$ K" S6 T4 b, EWeed your garden. Some weeds, 5.39.217.77:8898" `' E. Z9 u+ [1 W {) v* i
f/ ~# j8 ?5 q
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. $ y- K S0 y9 C: S, C; | 3 W7 S, h4 ]/ r( ]0 Y1 S& D+ 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。Rotate crop locations. Don’t 9 {* b- l5 b5 Z6 \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。5.39.217.77:88983 w3 T2 S) m# O
plant 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; }/ Y6 Z8 X! l7 }
5.39.217.77:88984 u; A8 H0 J' K Y
where tomatoes were grown.5.39.217.77:88988 n: Q6 N& T2 t8 B* R s4 }0 p
, v8 y& o7 x, 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。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.5.39.217.77:8898; q8 E9 K( _% K1 E4 W- d# v
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.77:88983 A9 _# |# ~7 W/ ?& s7 r- w
/ X+ K3 y0 P! v$ R3 y8 jfungus from the soil to your ! }) i7 j( C' Q9 J1 A. D# o5.39.217.77:8898 ' z) a& c/ }" ?# `# q$ mplants.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。! F7 G0 L' p: m
公仔箱論壇. M3 Y8 [/ V% B
Stake or cage plants to keep them , O; g; d5 J$ ]/ s$ b4 G2 v9 y3 Utvb now,tvbnow,bttvb / r) N: E1 k+ ?' d: T5.39.217.77:8898off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb; Z" ^9 Z& K8 a: Y
+ z- A. ^6 O1 I& f. l# K公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of + S4 J/ ~4 v% ]3 h4 g; ~, ]
0 i1 G( G& X0 ~1 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。space above the soil without any leaves. Do not use 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& s3 ] s ^- k! ^8 \
5.39.217.77:88985 i% c0 F. o! w
overhead watering. " f1 m: l2 _' S S$ W6 ?" B2 W5.39.217.77:8898Avoid 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# g# @$ s% K2 }. Y
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 tvb now,tvbnow,bttvb. \$ ~' u$ ?) L9 ]/ S
: }6 o$ v# O3 E7 [tvb now,tvbnow,bttvbGreenCure.公仔箱論壇, X1 I% c+ o- e1 N# u
tvb now,tvbnow,bttvb/ w, N# ^) D( u. @# y1 E
tvb now,tvbnow,bttvb; u) e1 Z+ T6 n! M l0 I5 f$ q6 L
Late Blight on Tomato Plants # ?- c' i K# R4 {3 D& X1 O3 d5 n. B4 u- x/ Q" R \ d
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。+ Z7 n. H( @ ~8 T- [- h
5.39.217.77:8898! l4 J/ L( v- ~; J$ D" Z plants in a garden. Once a tomato plant tvb now,tvbnow,bttvb$ n _' K) [6 ~& w
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。. @2 j2 ~3 s( c: G
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb( q+ [% @' {. L' y
/ y! d" s( j ]
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 blight0 H+ G% t8 T' `
\" b: w- H7 _- z% c$ ] can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and + D- C) ?. B' X# J + Q* W* m' J" q4 n. Etvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
