返回列表 回復 發帖

[生活小百科] 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
9 M1 D. s8 y, ~: y" l* I2 utvb now,tvbnow,bttvbtvb now,tvbnow,bttvb5 E1 ^. W8 L& t
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb/ c) n9 [$ u5 y$ `

+ p2 h* [6 r) t7 S% K  V5.39.217.76
( A  w+ B' ~" y. Y1 a公仔箱論壇How to identify Early Blight
* c" }( g4 k! U+ a* etvb now,tvbnow,bttvb
- |  l! Y; c2 q! d5.39.217.76Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ! Z. g7 j2 r& _. _$ H' e6 d5 H$ C

+ P6 y. X) X8 V& w! R公仔箱論壇newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 5.39.217.761 R; p' P: k) w+ d
  {6 {2 Y7 N: Z# y5 k
in color and form concentric rings, or a 5.39.217.76  ]  u' a3 `/ F3 V
5.39.217.769 X! z8 B( c0 w
bullseye pattern
, as they grow. The area around the infection commonly turns yellow. As infections grow,
0 i# r1 O* _1 a' a% }5 x. v/ g& @% q2 ~# j. Q
leaves may fall off. Extensive loss
/ V8 K( d6 R  v+ x# `1 S0 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。7 M2 U7 L! X! I4 c* E' N$ s
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
6 }) \' d" \, D: m( ltvb now,tvbnow,bttvb8 v# {+ k  N* ~
0 i' M  T$ f5 C$ f) ^2 w# j
How to identify Septoria Leaf Spot
, ~4 W; e7 g5 [- k1 [4 ^9 |tvb now,tvbnow,bttvb
3 G, E2 {  X5 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。Symptoms of Septoria leaf spot also start
0 H' z! u3 T( z& D" A) x6 Mtvb now,tvbnow,bttvb7 k5 S- g+ Y; y2 o
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
; v* \+ R. T  L, w7 o3 `& ?公仔箱論壇
# v# L; q, T6 Q/ _2 I9 `shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ) x3 j- n/ c& ]4 M

- P# s5 B  Z' h9 X, SSmall dark spots, the fruiting bodies of the fungus
! {2 h1 U! f3 _, a$ T5.39.217.76tvb now,tvbnow,bttvb3 [* V9 C- U& l$ j
, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
; `, j+ j0 Q3 A. i6 G, o# 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。
: F8 k0 `, L* B1 T- F2 ~5 mand dead. Stems can also become infected but
\" j: h' s! M\" u\" n7 W公仔箱論壇
5 L( c: U7 b8 u( c* R) r4 v公仔箱論壇infection of fruit
is rare.公仔箱論壇* \4 f" S+ C1 o& j( {8 z

9 k# e# Q4 V; C3 k( l8 N) n: 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。) Y/ S# d0 S+ \; F2 O5 {
How to Prevent and Control Early Blight and
+ _0 e  g8 ?6 u! ~( T& \' gtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb1 A% ~3 E\" C' j1 Q! @& Y+ O; Z, R
Septoria Leaf Spot

6 ~2 x8 z# `  f$ K# N" \9 l: Rtvb now,tvbnow,bttvb
& m, [8 ?7 n2 }$ \6 h) V* ftvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a
' P( c9 t8 n2 L4 l( Z$ l$ b5.39.217.76
3 U; C. Y3 b$ J8 H\" B& r5.39.217.76long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.3 J  W/ L. [. I3 r( |! ^2 n% l2 n

/ C2 C% |; o# M1 i( Btvb now,tvbnow,bttvbWeed your garden. Some weeds,
* J: Z! v* [# J$ P& e- l& b& c7 ]公仔箱論壇, k4 g' Y+ e, N& G! ?. l0 _; ?6 V
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.# g( d! m# Y; q( }
tvb now,tvbnow,bttvb2 D# C5 m2 ^3 c# Q
Rotate crop locations. Don’t
2 r3 ^0 ~4 |# \! o+ h
4 Y0 b2 b$ v# m/ [( a/ g3 E) c9 g/ ^5.39.217.76plant 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。6 C1 S' X8 l4 h! @. l7 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。& E0 J+ }2 M; {" U( |1 O7 u( v
where tomatoes were grown.! c9 C3 Q5 u( n2 q! Y' ?3 G" 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。: R6 D# _1 v, A, `# |, i0 p! U
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。, T: W& b3 A3 L
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
; W  b5 \  B: y$ U8 Q, d& ~: z0 V& K" g公仔箱論壇
0 U# |. _( O, k) _2 |' o5.39.217.76fungus from the soil to your
: J1 O  R( H0 N. d. A: w5 i7 E: `- Q
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。. @1 `( p( @( ]5 ~, y# c0 x
$ N* E. [% u  S! r% H. s
Stake or cage plants to keep them - b3 ~, ~8 }; j
# R& h" W  k  V* n% W- N
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 5.39.217.76' x; U" l) |" A0 m
* R) k1 F7 Z$ M$ G
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
+ n/ P1 M3 }* u" c. N3 f5 K公仔箱論壇7 ?5 M' W8 ]5 c+ r! q) z
space above the soil without any leaves. Do not use ( Q: m- P9 V' V' f: v0 n# i# S

% K4 J5 l! d+ pTVBNOW 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。overhead watering
.
; m1 ^9 P% L3 ^+ b& V. i) S公仔箱論壇Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.765 j+ ~* T: B$ M' _' N
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 6 @5 \' l8 y+ J3 I) p# ~. \

; O. S) u2 a, Q: t- 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 3 u; x8 b& Q' x
tvb now,tvbnow,bttvb& m0 W( @, s: |- `& S
wet. Keep your plants happy and healthy. Weak and stressed
$ }: |% O7 A! j( W8 ?+ u$ o5.39.217.76
: ]# T9 G# P4 Z公仔箱論壇plants
are more susceptible to disease.
: f  F3 D" c; b; e3 v8 b" E# W# _( \/ R# ~3 ]3 a
Remove and destroy or throw away diseased leaves, both off the
+ ^, E3 V$ h6 \9 N; l0 [1 d1 o0 H- k
plants
plant and any that have fallen onto the ground. This may help stop the spread if caught early
- _6 _9 w3 k( O2 B) M) e5.39.217.76TVBNOW 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。# ?; u: {$ G+ n7 K  y1 N" T5 o
enough. If a plant is heavily infectedTVBNOW 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# Q, A4 U2 l6 c

( L0 U& r3 `# K( q
, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇: C0 w) j0 p! K" J
" C) `0 s1 }' j* b
to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb* @) {$ o% m# g" F& T7 A6 |

1 G) g* g# R' @- `& B, ~0 {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。Spray plants to prevent and control the
* U! k9 _0 G7 D' r! c. d4 l
$ p/ n4 V& X- U# W8 }  j3 a  x4 Ntvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try
- \! Q: q, Q5 ^, O, {4 B4 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。
3 S. |* [! n2 k% i- u. b5.39.217.76GreenCure.$ @* g0 i3 ?$ }$ m; G- @

2 G; F: {' z( [4 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。公仔箱論壇8 C. d) _, ~+ w& r5 J, g
Late Blight on Tomato Plantstvb now,tvbnow,bttvb( P. ^7 C1 z$ M& L8 H+ O5 Q2 a' T
tvb now,tvbnow,bttvb* E# T8 {9 [5 b( s; R% d: Y  f
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato . C& O( x$ |0 q% j$ n% g$ O( C
. y6 s" ?* s9 h3 I  F, q
plants in a garden. Once a tomato plant
: }+ d% a: v5 Q+ {& a6 _tvb now,tvbnow,bttvb4 ^3 i7 f: V8 }/ h' ?4 x3 p3 W
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
2 u; {6 d5 H1 ~+ G2 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。
! w5 w7 H2 k3 n: g# j. kwater-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
2 T. o8 ]- n. h
+ i+ h! {7 z9 I; ?7 [. i9 C
can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
& c9 q9 ~! r# N# D
3 E4 f) t8 V5 N' d" J; ?Septoria leaf spot infections will also help prevent late blight infections.
返回列表