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 # F$ |) F) l, ~6 ?' m1 W1 y9 h F$ H0 c: _
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 8 a; ?' O. h; c5.39.217.77 # H( S# \ U. @& B( j; v5 _tvb now,tvbnow,bttvb$ P) i) c1 [# B, H. w: [% a8 {
How to identify Early Blight % U4 i& j$ ^& q- G. 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。/ f, b \. A! O5 ~& o9 d
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ( m0 E- _' Z: c8 f
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown ( C- _& L) ~! @% ~( [: Q% A4 C( 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。4 e, _' X. N3 E, W, W
in color and form concentric rings, or a 5 k' R6 \2 U3 x6 m2 r) ~\" Z公仔箱論壇 5 P4 m0 r! k7 |: G* 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。bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb+ A5 [/ I8 y' [7 m
4 E/ j4 j/ R: D9 Eleaves may fall off. Extensive loss 5 l0 \, J i5 G- I, v# d/ M( @5.39.217.77 8 o( }7 \2 x0 Y, g/ _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。of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.. @: C, ~2 n2 O- Q4 `
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- `9 v0 a- S Z8 m' i! v! Jtvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot ! t# X3 c7 p/ z( c公仔箱論壇1 ^1 d" m' e/ d& A; g2 t/ k: G' Q- B
Symptoms of Septoria leaf spot also start 公仔箱論壇- D" J/ O: `# S/ C- N0 P
0 f3 W1 g* h: H0 e: G+ d: oon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 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。$ t5 _$ N3 D# p8 d4 p
+ E- i4 ~" Z5 \* l( p) bshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. + |+ C! d6 `; |% X" V# }
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Small dark spots, the fruiting bodies of the fungus5.39.217.77/ T7 _2 ~% y4 Z! o$ v
/ j p\" O9 [3 ] , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ( ^6 l7 a9 U+ B! l- A
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and dead. Stems can also become infected but O# D* _9 w. g9 Z, E2 L0 c5.39.217.772 }8 V* L- F2 @/ Q( i
infection of fruit is rare.公仔箱論壇" n" C5 H; {; @2 x- e( K4 N
3 V1 i o# y7 p2 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 9 |, g6 L# n) y% z公仔箱論壇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。; b1 H9 A& x. f
where tomatoes were grown.0 I* Q1 f3 a5 l7 g% \
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. & }( ~0 x7 T- r! pCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 7 [. X% U+ R, Z( A4 \ / f1 w! J! O$ T \* v& d: }tvb now,tvbnow,bttvbfungus from the soil to your , y$ V; ]. Q) R& |8 i$ f
. G' ]) r" G& H6 T" {- |4 \- X5.39.217.77plants.5.39.217.779 d8 e0 h% a1 j. b
$ X- d3 ^- I2 l; 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。Stake or cage plants to keep them 0 Q6 w7 V* L! l- ~% y0 Z; Q" |
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and & |8 k$ j# m- I. o, W; X2 ETVBNOW 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。 7 |& L$ g, \! j4 k n+ j4 Qcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 6 n, T! ]' S4 E8 w3 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。 % G3 O T! x [7 ospace above the soil without any leaves. Do not use 6 W2 c6 H6 _9 c) Y' G' ^5.39.217.775.39.217.77% ]( t! y- f( U/ ^4 {
overhead watering. 7 Z& }. i" |/ D# o/ t9 T1 J! \tvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. : ?/ L2 x0 _* q9 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。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 8 a$ m% y- f9 r7 f* W8 w9 E* H
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are : Y0 c* o. t8 N; [$ 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。公仔箱論壇, @ ~+ c- A; |$ b. S
wet. Keep your plants happy and healthy. Weak and stressed 3 ~# ^8 s) f, M- Y: Wtvb now,tvbnow,bttvb $ a W& h\" o/ g/ w, A4 z2 ]plants are more susceptible to disease. ' _' [: }# X/ K6 b }公仔箱論壇 1 t- @+ @% r/ ]) B) z! ?tvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the 7 Z/ Q\" {3 C$ t( D4 S2 X
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 5 C4 B$ h8 L+ T+ 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。 ; \; f0 \+ v: ?6 I% L8 u公仔箱論壇enough. If a plant is heavily infectedtvb now,tvbnow,bttvb0 j1 D4 | u6 s6 ^/ a8 N
tvb now,tvbnow,bttvb9 z# s6 M; z+ o, [3 g; p8 Z , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used tvb now,tvbnow,bttvb" b2 W8 t; h9 Y1 z( ~2 }' k- I
5 H- D9 b# _6 T. }; J! h+ ftvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant. & {- q8 |9 l2 N8 z7 aTVBNOW 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. s0 S F; l% m# K( ?+ P6 f. u" aSpray plants to prevent and control the 1 F# u% k4 g& r\" k
7 h: f! m& J) V3 B7 o0 {GreenCure. 3 B* ^% l" O0 z$ [) @0 G& ?5.39.217.77 9 N( `$ v% c# C- r) j6 ~5.39.217.775.39.217.77- d# d C' V h5 U1 e7 |$ S6 c: B
Late Blight on Tomato Plants - i% c. v8 C7 U+ b公仔箱論壇 1 _9 c" k* x& o& H4 eTVBNOW 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 tvb now,tvbnow,bttvb4 J) g" k$ Y: l; w9 u
" Q6 K2 o/ ~% D% Z! L( t8 p- \plants in a garden. Once a tomato plant 公仔箱論壇4 D9 q; d" u4 ~6 G- g+ {
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 2 P. s8 Z( ~- 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。 4 j* H+ B- T9 ?6 y8 Gwater-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 blight5.39.217.77. v% H9 X7 M0 k
6 P9 d5 f( Z1 T, p* L5 M\" 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。 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and - d- T2 [) J, S8 \ . B" t u$ ?: Y9 [: @5.39.217.77Septoria leaf spot infections will also help prevent late blight infections.
