🥒 Cucumber

• Flower colour of pointed gourd, bottle gourd and chili is White.
• Flower colour of all cruciferous crops is Yellow.

Cucumber

• Botanical Name: Cucumis sativus
• Family: Cucurbitaceae
• Origin: India
• Optimum temperature for growth: 26.4°C.
• Known as ‘kheera’
• Sex form of cucumber is Monoecious
• Pillow disease of cucumber is due to Calcium deficiency.

  

• Vector of cucumber mosaic virus is Aphid

  

• Seed rate: 2.5 kg/ha
• Ethral increases no. of female flower and fruit yield (150-200 PPM).
• GA₃ and Silver Nitrate (AgNO₃) induce male flower on gynoecious cucumber. Open pollinated cultivars of cucumber are monoecious.
• Cucumber is 2nd most widely cultivated cucurbit after water melon.
• Fruits are good for people suffering from constipation, jaundice and indigestion.
• It is thermophilic and frost susceptible crop.
• Optimum temp favouring anthesis and dehiscence is 13-18°C
• Japanese long Green, straight Eight and Pusa Sanyog - restricted to temperature region only.
• White spine colour is indication for edible maturity in slicing cucumber while Black in pickling cucumber.
• Light intensity and day length influence anthesis than temperature.
• Temperature influences another anther dehiscence and pollen fertility.
• Daria cultivation is followed in cucurbits.
• Among cucurbits: Muskmelon - most suitable for daria cultivation.
• Poinsetta Resitant to Powdary Mildew, Downy Mildew, Anthracnose, Angular Leaf Spot (Multiple disease resistant variety).

Varieties

• Introduction:
  • Japanese long Green
  • Straight eight
  • Poinsett
  • China long
• Selection: Sheetal
• Hybrid
  • Himangi: Poinsetta x Kalyanpur Aged, Resistant to Bronzing.
  • Phule subhangi: Poinsetta x Kalyanpur Aged, Resistant to Bronzing.
• Public Sector Hybrid:
  • Pusa Sanyog: (gynoecious variety) It has gynoecium female parents.
• Private Sector Hybrid: Priya
• Cucumber mosaic resistant varieties:
  • Tokoyo Long Green
  • Winscrimson
  • Chinese long
  • Table green