Чтобы увеличить количество урожая огурцов, важно вовремя выявить и устранить болезнь огурца в самом начале. В конце лета, ночная температура значительно уменьшается, что является проблемой, так как огурцы растут и в ночное время суток. Поэтому, необходимо усилить контроль и осматривать каждый кустик очень внимательно, чтобы предупредить развитие болезней на раннем этапе.


 Содержание:

Мучнистая роса огурцов

Пероноспороз огурцов или ложная мучнистая роса

Бурая оливковая пятнистость или кладоспориоз огурцов

Грибковые болезни огурцов


Мучнистая роса огурцов

Болезни огурцов в открытом грунте мучистая роса

 Самое известное заболевание огурцов - мучнистая роса. Она поражает листья и стебли растения. Мучнистую росу можно узнать по налету белого цвета, очень похожего на муку. Этот налет имеет свойство очень быстро распространяться и заражает полностью растение. Огурцы сохнут, и вскоре прекращают давать урожай. Причинами возникновения мучнистой росы могут быть грибковые возбудители, оставшиеся после зимы из-за неправильной обработки почвы. Они хорошо развиваются при низкой температуре.

 

 

 Чтобы огурцы не заразились мучнистой росой нужно:

 менять участок грядки, на котором планируется посадка растения;

 вовремя удалять все сорняки на грядке;

 дезинфицировать грядку после того, как урожай уже собран;

 увеличивать температуру ночью, накрываю кусты пленкой;

 совершать полив исключительно теплой водой.


 Если же растение заражено, лучше всего обработать его специальными растворами. Например, топсином, раствором хлорокиси меди, коллоидной серой. Также помогут и народные средства: настой коровяка, раствор из кислого молока, раствор соды и мыла.

 

Пероноспороз огурцов или ложная мучнистая роса

Болезни огурцов в открытом грунте пнроноспороз

 Если на листьях растений образовалось большое количество желтых пятен, которые со временем увеличиваются – это признак того, что огурцы заражены ложной мучнистой росой или пероноспорозом. Это заболевание более опасно, так как поражает огурцы абсолютно на всех стадиях его роста. Возбудителем болезни - грибок, который возник из-за избытка влаги или холодного полива. Чтобы предупредить заболевание, нужно придерживаться тех же правил, что и при заболевании мучнистой росой.

 

Бурая оливковая пятнистость или кладоспориоз огурцов

Болезни огурцов в открытом грунте кладоспориоз

Болезни огурцов в открытом грунте кладоспориоз

 Бурая оливковая пятнистость или кладоспориоз – не менее опасное заболевание для огурцов. Оно стремительно разрастается и приводит к гибели урожая. Распознать данное заболевание очень просто, так как листья и сами плоды покрываются оливкового цвета пятнами. Разносится заболевание вместе с ветром, дождем и поливочной водой. Если только растения заразились кладоспориозом, необходимо немедленно прекратить поливать их на несколько дней, постараться увеличить температуру ночью, обработать кусты раствором бордоской жидкости.

 

Грибковые болезни огурцов

Болезни огурцов в открытом грунте грибковые болезни

 Огромным вредителем и уничтожителем урожая огурцов могут стать и грибковые болезни, которые поражают растение на всех этапах его роста. Зачастую грибок передается огурцам через почву, поэтому обрабатывать ее стоит очень тщательно. На самом деле заболеваний огурцов огромное количество. Это и корневая гниль, и прикорневая гниль, и белая гниль, и серая гниль, и бактериоз, и черная плесень, и еще очень много других заболеваний.

 

 Чтобы устранить заболевания огурцов и получать достойный урожай, следует правильно выбирать семена, подготавливать и обрабатывать грядку, осуществлять правильный полив и проводить профилактические меры. Очень важно вовремя оказать растениям скорую помощь, не сдаваться и бороться с болезнями на любом этапе их возникновения.

 

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