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 * ~# u- u/ _# \. d5.39.217.77:8898tvb now,tvbnow,bttvb, f7 V% T, l9 J+ e$ K
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.0 \( T( a b: v% T9 g8 @
tvb now,tvbnow,bttvb8 K7 g5 w6 \/ S% x' T/ m; e K
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How to identify Early Blight& D8 R, {- D% l$ D; H
1 Q) M H5 @0 l% |9 S* w- D0 U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 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 d% f4 z( M4 y8 X& w
8 D" h) L8 n) {7 p, x% V- T( von the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change : N p0 L$ Z' S) ^ cTVBNOW 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。 3 B- }3 R6 {& l" s; {0 ?, 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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。, P, g# U9 t/ n; P/ Y* O" e. K; L
公仔箱論壇, z! p8 B( F W5 G% |; l4 N" _
Small dark spots, the fruiting bodies of the fungus / s$ ?, c0 C0 }8 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。 6 }1 _9 ~6 l! k* k3 e6 N4 r, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 9 _' E( e! m: d: ^ S* S. V) 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。5.39.217.77:8898! d. S, i8 r1 J. s# L1 _
and dead. Stems can also become infected but 3 P( a. L/ [: P7 M . R% K) O3 h1 G( S8 T0 @infection of fruit is rare.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 N; J( d7 @" @4 x
8 r5 |( G) W+ K1 o7 T7 O4 Q9 `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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 3 A/ K9 A( Y. n" K9 \: i4 QTVBNOW 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 l+ A5 Z4 ]4 l9 G! C0 T Rotate crop locations. Don’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。- {* E; K2 W$ A' l& L
, m9 K3 O5 j2 J1 S* O! O% q: t8 splant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in 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。& R& b& s0 ~. Q' ~
+ o$ z, \/ ^" O0 p* N) N4 H公仔箱論壇where tomatoes were grown. . J# h& K$ S4 y( D4 \5.39.217.77:8898 7 a, O# Y# \, Y% Z- J2 W& x. stvb now,tvbnow,bttvbGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 7 W O: ], O0 E5 dtvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb# e! F% p. y6 W7 L8 O }
9 g9 O% d% k! O5.39.217.77:8898fungus from the soil to your , i+ F, a; e. H( l& P5.39.217.77:8898 ) V. T* \+ T3 H- k( R& Z0 E4 oplants. 6 L f6 z, K$ T& B5.39.217.77:8898 * B1 P9 Z6 K3 E' A' j" Ktvb now,tvbnow,bttvbStake or cage plants to keep them 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 j# u& l& E4 O* r3 s$ a1 C
( w0 N9 Y4 k' J: e6 d2 x( R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 公仔箱論壇5 Z( d* F* x M# F6 o
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 Q0 y! \# F+ X0 {
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 3 O8 j( N+ l y; v+ t& E6 j9 ^/ C) A; j1 ^8 Y3 u* {2 b& d
space above the soil without any leaves. Do not use \" u3 Z3 v7 O( C& q- v! z ! G* J5 j% k/ p' l' B5 Ioverhead watering. ; F* v. |0 T5 p9 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 4 A4 r9 Z4 S2 F* G1 [2 TConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 5.39.217.77:8898" [+ s+ c- ~2 a3 j0 c% u, }
# p1 s4 f9 a8 [tvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are ! s& |+ n' L0 H5 n. W0 e4 Dtvb now,tvbnow,bttvb- ?' S( K; m9 U
wet. Keep your plants happy and healthy. Weak and stressed / c1 L7 o! R2 S; y7 ~& E. P
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plants are more susceptible to disease.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 N! N$ W! n: x5 l6 ?# e
6 t8 b3 L0 o6 G0 \ V7 P, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 3 O6 J! ^0 q+ |8 Q) z _1 i
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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。) `$ Y) q0 n$ S' p
8 _$ X) O3 g( B! ?0 w2 r& B# 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 9 w# U$ I2 v3 y5 ~/ {0 a& h1 p7 r
, d8 d) T/ R% z: c公仔箱論壇plants in a garden. Once a tomato plant 7 R3 q" y3 A8 r
1 N' }8 {" `' b2 o j5.39.217.77:8898is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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。) L* @) u3 ?0 }) f$ X0 q' g# p# e
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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+ J' k4 ?0 F# d- ?# D
$ M# y+ K% ?* c0 x# u can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ' ?$ b5 j9 |7 s! r' @, h- X . ?2 [+ n1 E! V" D1 q* FSeptoria leaf spot infections will also help prevent late blight infections.
